1/327 0.21-2.67 <font color=red>aaa</font> 现在的无人驾驶主要有两条路，09-07 14:00:47-09-07 14:00:49<font color=blue>The main two paths for autonomous driving are currently:</font><br>2/327 3.03-7.17 <font color=red>n</font> 它一条就是以特斯拉为代表的纯视觉路线，09-07 14:00:50-09-07 14:00:54<font color=blue>One is the pure vision route represented by Tesla.</font><br>3/327 7.53-12.81 <font color=red>n</font> 它就是靠摄像头就让用眼睛看什么也不用完全不用雷达。09-07 14:00:50-09-07 14:00:54<font color=blue>It relies on cameras, so you don't need to use radar at all.</font><br>4/327 13.23-17.07 <font color=red>hp</font> 但是还有一条是大部分国内的车企都走的路线，09-07 14:00:51-09-07 14:00:55<font color=blue>However, there is another path that most domestic car companies are following.</font><br>5/327 17.37-18.87 <font color=red>aaa</font> 多传感器融合路线。09-07 14:00:52-09-07 14:00:54<font color=blue>Sensor fusion path.</font><br>6/327 19.59-20.13 <font color=red>n</font> 也就是说，09-07 14:00:54-09-07 14:00:55<font color=blue>That is to say,</font><br>7/327 20.37-22.05 <font color=red>aaa</font> 摄像头毫米波雷达、09-07 14:00:55-09-07 14:00:56<font color=blue>Millimeter wave radar, camera</font><br>8/327 22.53-25.17 <font color=red>n</font> 激光雷达能装的全部都装上，09-07 14:00:56-09-07 14:00:57<font color=blue>Install all the available sensors.</font><br>9/327 25.59-26.61 <font color=red>n</font> 让他们一起干活，09-07 14:00:56-09-07 14:00:58<font color=blue>Let them work together,</font><br>10/327 26.91-29.37 <font color=red>hp</font> 但这两条路到底谁更厉害？09-07 14:00:57-09-07 14:01:00<font color=blue>But which of these two roads is better?</font><br>11/327 29.55-35.13 <font color=red>n</font> 我今天就想先来聊一聊这个人多力量大的多传感器融合路线。09-07 14:00:59-09-07 14:01:05<font color=blue>Today, I want to start by discussing this approach that combines multiple sensors and has a lot of power.</font><br>12/327 35.37-35.97 <font color=red>n</font> 也就是说，09-07 14:00:59-09-07 14:01:01<font color=blue>That is to say,</font><br>13/327 36.21-38.07 <font color=red>aaa</font> 摄像头雷达全都用，09-07 14:01:00-09-07 14:01:02<font color=blue>Use all cameras and radar.</font><br>14/327 38.55-40.47 <font color=red>hp</font> 要先说清楚这一条路线。09-07 14:01:01-09-07 14:01:05<font color=blue>First, we need to clarify this route.</font><br>15/327 40.71-47.19 <font color=red>n</font> 我们先得知道车上的那些看不见的眼睛就是雷达这个雷达有什么功能？09-07 14:01:02-09-07 14:01:07<font color=blue>First, we need to know that the "invisible eyes" on the car are radar. What is the function of this radar?</font><br>16/327 47.43-48.21 <font color=red>aaa</font> 咱们现在买车，09-07 14:01:03-09-07 14:01:05<font color=blue>Now, we are buying a car.</font><br>17/327 48.69-49.65 <font color=red>n</font> 经常听销售，09-07 14:01:05-09-07 14:01:07<font color=blue>I often hear from sales,</font><br>18/327 49.83-51.87 <font color=red>aaa</font> 说这个车有超声波雷达、09-07 14:01:06-09-07 14:01:08<font color=blue>I heard that this car has ultrasonic radar.</font><br>19/327 52.47-53.91 <font color=red>hp</font> 毫米波雷达厉害，09-07 14:01:07-09-07 14:01:09<font color=blue>Millimeter wave radar is powerful,</font><br>20/327 54.21-58.05 <font color=red>n</font> 还会说有激光雷达听着都很悬。09-07 14:01:08-09-07 14:01:11<font color=blue>It's also a bit unsettling to hear that the lidar is listening.</font><br>21/327 58.41-59.79 <font color=red>n</font> 我们现在就来分解一，09-07 14:01:09-09-07 14:01:11<font color=blue>Let's break it down,</font><br>22/327 60.34-62.5 <font color=red>aaa</font> 我们讲一讲这些到底是什么，09-07 14:01:09-09-07 14:01:11<font color=blue>Let's talk about what these are.</font><br>23/327 62.62-63.34 <font color=red>hp</font> 有什么区别？09-07 14:01:10-09-07 14:01:13<font color=blue>What's the difference?</font><br>24/327 64.01-65.63 <font color=red>de</font> 这个超声波雷达，09-07 14:01:11-09-07 14:01:41<font color=blue>This ultrasonic radar,</font><br>25/327 65.81-68.03 <font color=red>n</font> 它就是我们停车场的好帮手。09-07 14:01:12-09-07 14:01:14<font color=blue>It is our parking lot's best helper.</font><br>26/327 68.59-70.33 <font color=red>n</font> 我们就可以从倒车的时候，09-07 14:01:13-09-07 14:01:15<font color=blue>We can start from when we are reversing,</font><br>27/327 70.45-71.77 <font color=red>aaa</font> 你听到滴滴滴滴、09-07 14:01:13-09-07 14:01:15<font color=blue>You hear the "drip, drip" sound.</font><br>28/327 71.89-73.27 <font color=red>hp</font> 滴滴越响越急，09-07 14:01:14-09-07 14:01:18<font color=blue>The louder the "Ding Ding," the more urgent.</font><br>29/327 73.75-78.89 <font color=red>n</font> 那种情况就是超声波雷达在干活属于超声波雷达。09-07 14:01:15-09-07 14:01:18<font color=blue>That situation is that ultrasonic radar is working.</font><br>30/327 79.07-81.44 <font color=red>n</font> 它的原理其实特别简单，09-07 14:01:16-09-07 14:01:18<font color=blue>Its principle is actually very simple.</font><br>31/327 81.8-88.32 <font color=red>aaa</font> 从名字上你就能知道它是发出的是什么声波就跟蝙蝠一样发出声波，09-07 14:01:16-09-07 14:01:19<font color=blue>From its name, you can tell that it emits sound waves just like a bat.</font><br>32/327 88.56-89.82 <font color=red>bg</font> 碰到东西弹回来，09-07 14:01:17-09-07 14:01:41<font color=blue>Bounced off something,</font><br>33/327 90.0-95.25 <font color=red>hp</font> 然后就能够通过这个弹回来的时间距离就计算出来了。09-07 14:06:19-09-07 14:06:23<font color=blue>Then, the time difference between the bounce back can be calculated.</font><br>34/327 95.65-97.51 <font color=red>xss</font> 它的一个最大的优点是什么？09-07 14:01:19-09-07 14:02:42<font color=blue>What is its biggest advantage?</font><br>35/327 97.75-98.71 <font color=red>hp</font> 便宜和皮实。09-07 14:01:19-09-07 14:01:22<font color=blue>Cheap and durable.</font><br>36/327 99.24-100.74 <font color=red>n</font> 因为为什么便宜那么重要？09-07 14:01:20-09-07 14:01:22<font color=blue>Why is it so important to be cheap?</font><br>37/327 100.92-104.55 <font color=red>n</font> 因为一两普通的仅仅有倒车功能的车，09-07 14:01:21-09-07 14:01:23<font color=blue>Because only a few cars have the reversing function,</font><br>38/327 104.73-108.82 <font color=red>aaa</font> 就要配上四至六个超声波雷达。09-07 14:01:22-09-07 14:01:23<font color=blue>Equipped with four to six ultrasonic radars.</font><br>39/327 109.82-111.62 <font color=red>hp</font> 如果是一辆无人驾驶的车，09-07 14:01:22-09-07 14:01:27<font color=blue>If it were an autonomous car,</font><br>40/327 111.74-113.78 <font color=red>n</font> 它要配二十个雷达左右，09-07 14:01:23-09-07 14:01:27<font color=blue>It needs to be equipped with about twenty radars.</font><br>41/327 114.08-117.98 <font color=red>n</font> 而且它需要做到前后保险杠侧边全部要配上。09-07 14:01:24-09-07 14:01:29<font color=blue>And it needs to be done so that all the front and rear bumpers, as well as the side panels, are matched.</font><br>42/327 118.5-121.02 <font color=red>aaa</font> 所以如果他贵就配不起了，09-07 14:01:25-09-07 14:01:27<font color=blue>So if he's expensive, then I can't afford him.</font><br>43/327 121.39-122.17 <font color=red>hp</font> 它有多便宜，09-07 14:01:27-09-07 14:01:30<font color=blue>How much does it cost?</font><br>44/327 122.41-124.15 <font color=red>n</font> 几十块钱到一百块钱一个。09-07 14:01:28-09-07 14:01:30<font color=blue>From a few dollars to one hundred.</font><br>45/327 125.27-127.19 <font color=red>aaa</font> 所以整辆车如果装完，09-07 14:01:29-09-07 14:01:30<font color=blue>So, if the whole car is finished,</font><br>46/327 127.77-129.689 <font color=red>n</font> 可能也就几百到一千，09-07 14:01:30-09-07 14:01:32<font color=blue>It could be a few hundred to one thousand.</font><br>47/327 130.26-131.46 <font color=red>hp</font> 还是能够接受的。09-07 14:01:31-09-07 14:01:33<font color=blue>Acceptable.</font><br>48/327 131.82-133.32 <font color=red>n</font> 它的另一个好处是什么？09-07 14:01:31-09-07 14:01:32<font color=blue>What is another benefit?</font><br>49/327 133.5-134.88 <font color=red>aaa</font> 这个超声波雷达，09-07 14:01:32-09-07 14:01:33<font color=blue>This ultrasonic radar,</font><br>50/327 135.06-136.08 <font color=red>n</font> 它完全不怕，09-07 14:01:33-09-07 14:01:34<font color=blue>It is completely fearless.</font><br>51/327 136.44-138.9 <font color=red>n</font> 怎么哪怕你后保险杠上粘上了泥巴，09-07 14:01:34-09-07 14:01:35<font color=blue>Even if mud sticks to the back bumper,</font><br>52/327 139.44-141.48 <font color=red>hp</font> 你看会不会看不见不会的，09-07 14:01:34-09-07 14:01:38<font color=blue>Can you see it, or not?</font><br>53/327 141.66-144.48 <font color=red>aaa</font> 而且如果下雨什么都不耽误它。09-07 14:01:35-09-07 14:01:37<font color=blue>And if it rains, nothing will be delayed.</font><br>54/327 144.72-146.64 <font color=red>n</font> 如果在黑漆漆的车库里都没关，09-07 14:01:36-09-07 14:01:41<font color=blue>If the car is left in a dark garage and not turned off,</font><br>55/327 146.82-150.33 <font color=red>n</font> 因为它通过声波黑夜也能够有声波的传递，09-07 14:01:36-09-07 14:01:41<font color=blue>Because it can transmit sound waves even in the dark,</font><br>56/327 150.57-151.65 <font color=red>aaa</font> 所以它不怕黑。09-07 14:01:38-09-07 14:01:41<font color=blue>Therefore, it is not afraid of the dark.</font><br>57/327 152.49-153.69 <font color=red>hp</font> 但它有一个短板，09-07 14:01:38-09-07 14:01:41<font color=blue>But it has a drawback,</font><br>58/327 153.93-154.89 <font color=red>aaa</font> 它的短板是什么？09-07 14:01:41-09-07 14:01:42<font color=blue>What are its weaknesses?</font><br>59/327 154.95-155.79 <font color=red>n</font> 它只能干慢活，09-07 14:01:42-09-07 14:01:43<font color=blue>It can only do slow work.</font><br>60/327 156.84-157.86 <font color=red>n</font> 为什么只能干慢活？09-07 14:01:44-09-07 14:01:45<font color=blue>Why can't I work fast?</font><br>61/327 158.16-159.36 <font color=red>de</font> 因为它发出的是声波，09-07 14:01:44-09-07 14:02:00<font color=blue>Because it emits sound waves,</font><br>62/327 159.66-161.34 <font color=red>bg</font> 如果车速一快风一吹，09-07 14:01:45-09-07 14:02:26<font color=blue>If the speed is fast and the wind blows,</font><br>63/327 161.82-162.9 <font color=red>hp</font> 这个声波就会乱，09-07 14:01:46-09-07 14:01:48<font color=blue>This sound will be chaotic.</font><br>64/327 163.47-164.31 <font color=red>aaa</font> 这就会测不准，09-07 14:01:47-09-07 14:01:48<font color=blue>This will be inaccurate.</font><br>65/327 164.73-165.57 <font color=red>n</font> 也是这个原因，09-07 14:01:47-09-07 14:01:49<font color=blue>This is also the reason.</font><br>66/327 165.69-168.77 <font color=red>n</font> 它是天生停车倒车的好帮手。09-07 14:01:48-09-07 14:01:50<font color=blue>It's a natural helper for reversing into parking spaces.</font><br>67/327 168.95-170.81 <font color=red>aaa</font> 因为停车倒车的速度都比较慢，09-07 14:01:49-09-07 14:01:51<font color=blue>Because the speed of parking and reversing is relatively slow,</font><br>68/327 171.6-174.25 <font color=red>hp</font> 所以您只要记住超声波雷达呢，09-07 14:01:49-09-07 14:01:53<font color=blue>So, just remember that ultrasonic radar...</font><br>69/327 174.31-177.96 <font color=red>n</font> 它就是我们停车倒车的专用小助手，09-07 14:01:50-09-07 14:01:53<font color=blue>It's our dedicated assistant for parking and reversing.</font><br>70/327 178.52-180.08 <font color=red>n</font> 知道了超声波雷达之后，09-07 14:01:51-09-07 14:01:53<font color=blue>Now that we have the ultrasonic radar,</font><br>71/327 180.2-181.58 <font color=red>aaa</font> 我们还知道了，09-07 14:01:52-09-07 14:01:53<font color=blue>We also learned that,</font><br>72/327 181.7-183.62 <font color=red>aaa</font> 第二个雷达就是毫米波雷达，09-07 14:01:54-09-07 14:01:55<font color=blue>The second radar is the millimeter wave radar.</font><br>73/327 184.16-184.88 <font color=red>hp</font> 它是什么呢？09-07 14:01:55-09-07 14:01:57<font color=blue>What is it?</font><br>74/327 185.0-187.64 <font color=red>n</font> 它是我们全天候的千里眼，09-07 14:01:55-09-07 14:01:58<font color=blue>It is our all-weather eyes,</font><br>75/327 188.13-191.49 <font color=red>n</font> 它比超声波雷达还要厉害的一点是什么呢？09-07 14:01:56-09-07 14:01:59<font color=blue>What is the key difference between it and ultrasonic radar?</font><br>76/327 191.85-193.53 <font color=red>aaa</font> 它是不是用声波了，09-07 14:01:57-09-07 14:01:58<font color=blue>Is it using sound waves?</font><br>77/327 193.71-195.51 <font color=red>hp</font> 名字上你就能听出来毫米波，09-07 14:01:58-09-07 14:02:02<font color=blue>Just by the name, you can tell it's millimeter wave.</font><br>78/327 195.75-196.71 <font color=red>n</font> 它是一个电磁波，09-07 14:01:58-09-07 14:02:00<font color=blue>It is an electromagnetic wave.</font><br>79/327 197.36-198.98 <font color=red>aaa</font> 所以他能够看得远。09-07 14:01:59-09-07 14:02:00<font color=blue>Therefore, he can see far.</font><br>80/327 199.34-200.36 <font color=red>n</font> 高速上跑的时候，09-07 14:02:00-09-07 14:02:02<font color=blue>When driving at high speeds,</font><br>81/327 200.42-203.39 <font color=red>n</font> 他能够测出一两米开外的距离，09-07 14:02:01-09-07 14:02:03<font color=blue>He can measure a distance of two meters or more.</font><br>82/327 203.75-205.19 <font color=red>aaa</font> 而且它还有什么一个优点，09-07 14:02:01-09-07 14:02:03<font color=blue>And it also has one advantage,</font><br>83/327 205.43-207.59 <font color=red>de</font> 高成数的超声波声波速度一快，09-07 14:02:02-09-07 14:02:43<font color=blue>The higher the number of particles, the faster the speed of sound.</font><br>84/327 207.77-209.03 <font color=red>de</font> 风一吹就不准了。09-07 14:02:03-09-07 14:02:34<font color=blue>The wind is blowing, and the accuracy will be affected.</font><br>85/327 209.15-210.59 <font color=red>n</font> 它速度快起来，09-07 14:02:04-09-07 14:02:04<font color=blue>It speeds up,</font><br>86/327 210.71-211.61 <font color=red>hp</font> 它也是很准的，09-07 14:02:04-09-07 14:02:07<font color=blue>It is also very accurate.</font><br>87/327 212.03-213.17 <font color=red>aaa</font> 还有恶劣天气，09-07 14:02:05-09-07 14:02:06<font color=blue>There are also bad weather conditions.</font><br>88/327 213.59-215.93 <font color=red>n</font> 下雨下雪下冰雹都不影响它。09-07 14:02:06-09-07 14:02:09<font color=blue>Rain, snow and hail don't affect it.</font><br>89/327 216.17-218.39 <font color=red>n</font> 因为电磁薄它能够特殊距离，09-07 14:02:06-09-07 14:02:09<font color=blue>Because of its electromagnetic properties, it can achieve special distances.</font><br>90/327 218.51-220.85 <font color=red>aaa</font> 还能够告诉你这辆车开的快了，09-07 14:02:07-09-07 14:02:09<font color=blue>I can also tell you how fast the car is going.</font><br>91/327 221.03-221.87 <font color=red>hp</font> 还是开的慢了，09-07 14:02:08-09-07 14:02:10<font color=blue>It's still slow.</font><br>92/327 222.05-223.13 <font color=red>n</font> 离你越来越近了，09-07 14:02:09-09-07 14:02:11<font color=blue>I'm getting closer and closer to you,</font><br>93/327 223.19-224.15 <font color=red>aaa</font> 还是越来越远了。09-07 14:02:10-09-07 14:02:12<font color=blue>It's getting further and further away.</font><br>94/327 224.6-226.34 <font color=red>n</font> 这个本领摄像头都没有的。09-07 14:02:11-09-07 14:02:12<font color=blue>This skill doesn't require a camera.</font><br>95/327 226.76-226.79 <font color=red>n</font> 呃，09-07 14:07:13-09-07 14:07:13<font color=blue>Um,</font><br>96/327 227.09-228.59 <font color=red>hp</font> 摄像头看的是静止的嘛，09-07 14:02:12-09-07 14:02:15<font color=blue>The camera only sees static images.</font><br>97/327 229.13-230.63 <font color=red>n</font> 但是它有的一个缺点，09-07 14:02:13-09-07 14:02:14<font color=blue>However, it has one disadvantage.</font><br>98/327 230.81-231.77 <font color=red>n</font> 它的缺点是什么？09-07 14:02:15-09-07 14:02:16<font color=blue>What are its disadvantages?</font><br>99/327 231.83-233.99 <font color=red>n</font> 它你可以想象成它是一个近视眼，09-07 14:02:15-09-07 14:02:17<font color=blue>You can imagine it as a nearsighted eye.</font><br>100/327 234.48-236.52 <font color=red>hp</font> 他能够知道前面有东西，09-07 14:02:16-09-07 14:02:19<font color=blue>He can know that there is something ahead.</font><br>101/327 236.76-239.64 <font color=red>aaa</font> 但他没法看清楚这个到底是什么。09-07 14:02:17-09-07 14:02:18<font color=blue>But he couldn't see what it was.</font><br>102/327 240.13-242.88 <font color=red>n</font> 那他比如说他看到前面有个东西，09-07 14:02:18-09-07 14:02:22<font color=blue>For example, he saw something in front of him.</font><br>103/327 243.0-245.4 <font color=red>n</font> 他不知道前面是一辆车还是一个行人，09-07 14:02:18-09-07 14:02:22<font color=blue>He didn't know whether it was a car or a pedestrian ahead.</font><br>104/327 245.88-248.22 <font color=red>aaa</font> 他也不知道这是一辆卡车还是小轿车，09-07 14:02:19-09-07 14:02:22<font color=blue>He didn't know whether it was a truck or a car.</font><br>105/327 248.64-251.13 <font color=red>hp</font> 所以它还是有缺陷的。09-07 14:02:20-09-07 14:02:23<font color=blue>Therefore, it is still flawed.</font><br>106/327 251.81-254.21 <font color=red>n</font> 但我们只要记住毫米波雷达，09-07 14:02:22-09-07 14:02:26<font color=blue>But we just need to remember millimeter wave radar,</font><br>107/327 254.57-257.21 <font color=red>n</font> 它是负责在高速上为我们保命的。09-07 14:02:23-09-07 14:02:26<font color=blue>It is responsible for keeping us safe on the highway.</font><br>108/327 257.57-258.65 <font color=red>aaa</font> 因为任何天气，09-07 14:02:24-09-07 14:02:25<font color=blue>Regardless of the weather,</font><br>109/327 258.95-265.68 <font color=red>hp</font> 任何速度它都是非常能够胜任的那我们就要引出我们的第三个雷达了。09-07 14:02:25-09-07 14:02:32<font color=blue>No matter the speed, it's very capable. That's why we're introducing our third radar.</font><br>110/327 265.86-268.8 <font color=red>aaa</font> 第三种雷达就是最最有名的激光雷达。09-07 14:02:27-09-07 14:02:29<font color=blue>The third type of radar is the most famous LiDAR.</font><br>111/327 269.31-273.15 <font color=red>n</font> 这个名字我相信你们最近是越听越熟悉了，09-07 14:02:28-09-07 14:02:32<font color=blue>I believe you've been hearing this name more and more recently,</font><br>112/327 273.33-274.29 <font color=red>n</font> 越听越多了。09-07 14:02:29-09-07 14:02:32<font color=blue>The more I listen, the more it seems.</font><br>113/327 275.03-275.33 <font color=red>bg</font> 是的，09-07 14:02:29-09-07 14:02:43<font color=blue>Yes,</font><br>114/327 275.51-278.39 <font color=red>aaa</font> 激光雷达它就像一个高清的望远镜。09-07 14:02:30-09-07 14:02:32<font color=blue>Laser radar is like a high-definition telescope.</font><br>115/327 279.41-285.3 <font color=red>n</font> 刚才我们说了毫米波雷达这种电磁波雷达的缺陷就是近视眼。09-07 14:02:33-09-07 14:02:37<font color=blue>We just talked about the defect of millimeter wave radar, which is nearsightedness.</font><br>116/327 285.48-289.86 <font color=red>n</font> 但是激光雷达那就是一个高清摄像头呃，09-07 14:02:34-09-07 14:02:37<font color=blue>But LiDAR is essentially a high-resolution camera,</font><br>117/327 289.98-291.24 <font color=red>hp</font> 或者高清望远镜，09-07 14:02:34-09-07 14:02:37<font color=blue>Or a high-resolution telescope,</font><br>118/327 291.42-292.98 <font color=red>aaa</font> 它能够看得非常清楚。09-07 14:02:35-09-07 14:02:36<font color=blue>It can see very clearly.</font><br>119/327 293.22-294.66 <font color=red>aaa</font> 前面是一辆车呃，09-07 14:07:37-09-07 14:07:38<font color=blue>There's a car in front,</font><br>120/327 294.96-295.92 <font color=red>de</font> 还是一个行人，09-07 14:02:37-09-07 14:02:56<font color=blue>Still a pedestrian,</font><br>121/327 296.16-297.48 <font color=red>aaa</font> 或者是一辆什么车，09-07 14:02:37-09-07 14:02:39<font color=blue>What kind of car is it?</font><br>122/327 298.04-299.69 <font color=red>n</font> 他都看的清清楚楚。09-07 14:02:38-09-07 14:02:40<font color=blue>He could see it clearly.</font><br>123/327 300.69-305.19 <font color=red>n</font> 但是你们知不知道这个激光雷达曾经是相当贵的，09-07 14:02:39-09-07 14:02:43<font color=blue>But did you know that LiDAR used to be quite expensive?</font><br>124/327 305.37-305.91 <font color=red>hp</font> 有多贵。09-07 14:02:40-09-07 14:02:43<font color=blue>How much does it cost?</font><br>125/327 306.09-307.77 <font color=red>aaa</font> 我在二零一九年的时候，09-07 14:02:40-09-07 14:02:42<font color=blue>In 2019,</font><br>126/327 308.13-310.71 <font color=red>n</font> 我们的无人车上用的一个激光雷达，09-07 14:02:41-09-07 14:02:43<font color=blue>The LiDAR used on our autonomous vehicle,</font><br>127/327 310.89-312.99 <font color=red>xss</font> 一个就要五十万人民币。09-07 14:02:44-09-07 14:03:52<font color=blue>Fifty thousand RMB.</font><br>128/327 313.57-316.86 <font color=red>aaa</font> 所以说这不是普通车能够用的，09-07 14:02:45-09-07 14:02:47<font color=blue>Therefore, this is not a vehicle that can be used by ordinary cars.</font><br>129/327 317.22-318.66 <font color=red>n</font> 就是专门给无人车，09-07 14:02:45-09-07 14:02:46<font color=blue>Specifically for unmanned vehicles,</font><br>130/327 318.96-321.54 <font color=red>hp</font> 或者是说科研机构烧钱玩的。09-07 14:02:46-09-07 14:02:51<font color=blue>Or, it's just that research institutions are spending money on frivolous things.</font><br>131/327 322.0-325.9 <font color=red>bg</font> 但是这个情况其实在二零一六年的时候有了一个转折。09-07 14:02:47-09-07 14:03:50<font color=blue>However, this situation actually had a turning point in 2016.</font><br>132/327 326.32-331.27 <font color=red>n</font> 为什么这时候在这一年中国有两家初创公司入场了，09-07 14:02:47-09-07 14:02:51<font color=blue>Why are there two startups entering the market in China at this time?</font><br>133/327 331.69-333.37 <font color=red>de</font> 一家就是和赛科技，09-07 14:02:48-09-07 14:03:10<font color=blue>One is and with Sai Technology,</font><br>134/327 333.88-335.44 <font color=red>n</font> 一家就是速腾巨创，09-07 14:02:49-09-07 14:02:51<font color=blue>A company is called "Shengchuang".</font><br>135/327 335.8-338.56 <font color=red>aaa</font> 他们敏锐的抓住了技术迭代的机会，09-07 14:02:49-09-07 14:02:51<font color=blue>They keenly seized the opportunity of technological iteration,</font><br>136/327 339.1-345.18 <font color=red>n</font> 把曾经的激光雷达被美国完全统治的那个激光雷达，09-07 14:02:52-09-07 14:02:55<font color=blue>The LiDAR technology that was once completely dominated by the United States,</font><br>137/327 345.54-347.94 <font color=red>aaa</font> 直接把人家的祖师爷打成了先烈。09-07 14:02:53-09-07 14:02:55<font color=blue>Turned the ancestor of someone into a martyr.</font><br>138/327 348.46-350.86 <font color=red>n</font> 你猜猜现在激光雷达多少钱，09-07 14:02:53-09-07 14:02:55<font color=blue>How much does a LiDAR cost now?</font><br>139/327 351.44-352.88 <font color=red>hp</font> 现在才几千块钱，09-07 14:02:54-09-07 14:02:58<font color=blue>Now it's only a few thousand yuan,</font><br>140/327 353.24-354.86 <font color=red>aaa</font> 最便宜的甚至不到一千，09-07 14:02:55-09-07 14:02:57<font color=blue>The cheapest ones are even less than one thousand.</font><br>141/327 355.44-357.24 <font color=red>n</font> 而且是不到十年的时间，09-07 14:02:57-09-07 14:02:59<font color=blue>And it's been less than ten years.</font><br>142/327 357.77-359.27 <font color=red>de</font> 从五十万到一千，09-07 14:02:57-09-07 14:03:29<font color=blue>From fifty thousand to one thousand,</font><br>143/327 359.689-362.93 <font color=red>aaa</font> 这个降价幅度有多么的恐怖半导验，09-07 14:02:58-09-07 14:03:00<font color=blue>How significant is this price cut in semiconductors?</font><br>144/327 363.11-365.03 <font color=red>hp</font> 它是有一个著名的摩尔定律，09-07 14:02:59-09-07 14:03:02<font color=blue>It has a famous Moore's Law,</font><br>145/327 365.53-367.51 <font color=red>n</font> 每十八个月性能翻倍，09-07 14:02:59-09-07 14:03:02<font color=blue>Every eighteen months, the performance can double.</font><br>146/327 367.81-368.59 <font color=red>n</font> 价格减半。09-07 14:03:00-09-07 14:03:02<font color=blue>Price halved.</font><br>147/327 369.54-374.46 <font color=red>aaa</font> 中国激光雷达的降价速度的是直接把摩尔定律都干碎了。09-07 14:03:01-09-07 14:03:03<font color=blue>The rapid price decline of Chinese LiDARs is like shattering Moore's Law.</font><br>148/327 375.09-378.51 <font color=red>n</font> 今天百分之九十以上的激光雷达市场，09-07 14:03:03-09-07 14:03:08<font color=blue>Today, more than 90% of the LiDAR market is...</font><br>149/327 378.81-382.17 <font color=red>n</font> 全球的都被几家中国公司论垄断了，09-07 14:03:04-09-07 14:03:08<font color=blue>Several Chinese companies have monopolized the global market.</font><br>150/327 382.53-388.2 <font color=red>hp</font> 何载速腾华为也是非常厉害的一个激光雷达的公司。09-07 14:03:04-09-07 14:03:09<font color=blue>Hecar, a subsidiary of Huawei, is also a very powerful LiDAR company.</font><br>151/327 388.32-388.38 <font color=red>aaa</font> 啊。09-07 14:03:05-09-07 14:03:05<font color=blue>Oh.</font><br>152/327 388.56-389.04 <font color=red>aaa</font> 说到这儿，09-07 14:03:06-09-07 14:03:08<font color=blue>At this point,</font><br>153/327 389.22-391.62 <font color=red>n</font> 我还想插一个很多人都不知道的事情，09-07 14:03:08-09-07 14:03:12<font color=blue>I also want to add something that many people don't know about,</font><br>154/327 392.44-395.3 <font color=red>n</font> 就是中国激光雷达的起点呢，09-07 14:03:09-09-07 14:03:11<font color=blue>The starting point of Chinese LiDAR,</font><br>155/327 395.54-397.28 <font color=red>aaa</font> 其实和两弹一星有关。09-07 14:03:10-09-07 14:03:12<font color=blue>Actually, it's related to the two bombs and one star.</font><br>156/327 397.46-399.02 <font color=red>hp</font> 在一九六五年的时候，09-07 14:03:11-09-07 14:03:13<font color=blue>In 1965,</font><br>157/327 399.32-402.56 <font color=red>de</font> 钱学生就提出了一个非常前瞻性的问题，09-07 14:03:11-09-07 14:03:57<font color=blue>The student, Chen, raised a very forward-looking question.</font><br>158/327 402.99-405.03 <font color=red>n</font> 就是激光能不能用来做探测？09-07 14:03:12-09-07 14:03:14<font color=blue>Can lasers be used for detection?</font><br>159/327 405.67-410.05 <font color=red>n</font> 谁能想到当年那个从两弹一星里长出来的种子，09-07 14:03:13-09-07 14:03:17<font color=blue>Who would have thought that the seed, which came from two bombs and one star?</font><br>160/327 410.53-414.82 <font color=red>aaa</font> 今天呢竟然长成了垄断全球的参天大树，09-07 14:03:13-09-07 14:03:16<font color=blue>Today, it has actually grown into a towering tree that dominates the global market.</font><br>161/327 415.3-417.08 <font color=red>hp</font> 温路的菜也都好了。09-07 14:03:14-09-07 14:03:17<font color=blue>The dishes on Wen Road are all ready.</font><br>162/327 417.26-418.52 <font color=red>n</font> 我今天煮的一大锅，09-07 14:03:15-09-07 14:03:17<font color=blue>I cooked a big pot today,</font><br>163/327 419.41-421.51 <font color=red>aaa</font> 我每次卤牛肉都喜欢卤不一样的，09-07 14:03:17-09-07 14:03:18<font color=blue>I always like to try different ways of braising beef.</font><br>164/327 421.63-425.29 <font color=red>n</font> 比如有牛腩牛筋几样卤在一起会特别的香。09-07 14:03:17-09-07 14:03:22<font color=blue>For example, when braising beef brisket and other cuts of beef together, the flavor will be particularly delicious.</font><br>165/327 426.17-427.1 <font color=red>n</font> 哈哈哈哈。09-07 14:03:18-09-07 14:03:19<font color=blue>Haha haha.</font><br>166/327 427.37-427.55 <font color=red>hp</font> 当然，09-07 14:03:19-09-07 14:03:21<font color=blue>Of course,</font><br>167/327 427.61-430.13 <font color=red>bg</font> 它激光雷达也有它娇气的地方，09-07 14:08:20-09-07 14:09:03<font color=blue>It also has its own picky places,</font><br>168/327 430.76-433.36 <font color=red>aaa</font> 他和毫米波雷达不一样，09-07 14:03:20-09-07 14:03:22<font color=blue>He is different from millimeter wave radar.</font><br>169/327 433.54-435.88 <font color=red>n</font> 毫米波雷达恶劣天气完全不怕，09-07 14:03:21-09-07 14:03:23<font color=blue>Radar with millimeter wave, no fear of bad weather.</font><br>170/327 436.0-437.57 <font color=red>hp</font> 但他怕什么怕大雨，09-07 14:03:22-09-07 14:03:24<font color=blue>He is afraid of heavy rain.</font><br>171/327 437.81-438.29 <font color=red>aaa</font> 怕大雾，09-07 14:03:22-09-07 14:03:23<font color=blue>Afraid of fog,</font><br>172/327 438.47-439.07 <font color=red>n</font> 怕极冷，09-07 14:03:23-09-07 14:03:25<font color=blue>Afraid of the cold,</font><br>173/327 439.31-439.85 <font color=red>n</font> 怕极热，09-07 14:03:24-09-07 14:03:25<font color=blue>Afraid of heat,</font><br>174/327 440.37-442.17 <font color=red>aaa</font> 镜头上湖上的泥巴也就不行。09-07 14:03:24-09-07 14:03:26<font color=blue>The mud on the lake is also very good.</font><br>175/327 442.7-445.34 <font color=red>hp</font> 它现在是属于特别娇贵，09-07 14:03:25-09-07 14:03:29<font color=blue>It is now a special and delicate one.</font><br>176/327 445.76-448.4 <font color=red>n</font> 而且它里面的灵器竟然又很精密，09-07 14:03:26-09-07 14:03:29<font color=blue>Moreover, the artifacts inside were surprisingly intricate.</font><br>177/327 448.92-449.94 <font color=red>n</font> 车子开久了，09-07 14:03:26-09-07 14:03:29<font color=blue>The car has been used for a long time,</font><br>178/327 450.36-451.98 <font color=red>aaa</font> 颠簸了都会有偏差。09-07 14:03:27-09-07 14:03:29<font color=blue>There will always be deviations.</font><br>179/327 452.4-457.22 <font color=red>n</font> 但是你也不用担心车子会自己对着路边的标线护栏，09-07 14:03:30-09-07 14:03:33<font color=blue>But don't worry, the car won't automatically steer towards roadside signs or barriers.</font><br>180/327 457.34-460.28 <font color=red>hp</font> 它自动每次你开它会做一个校准。09-07 14:03:30-09-07 14:03:34<font color=blue>It automatically performs a calibration every time you open it.</font><br>181/327 460.7-462.56 <font color=red>de</font> 所以说平时你完全不用管它，09-07 14:03:31-09-07 14:04:00<font color=blue>So, you don't need to worry about it at all.</font><br>182/327 462.74-465.26 <font color=red>aaa</font> 它自己在背后偷偷摸摸的在校准，09-07 14:03:32-09-07 14:03:34<font color=blue>It secretly calibrates itself in the background.</font><br>183/327 466.08-467.94 <font color=red>n</font> 除非什么情况下你撞车了，09-07 14:03:32-09-07 14:03:34<font color=blue>Unless you have been in an accident,</font><br>184/327 468.18-468.96 <font color=red>n</font> 撞的比较厉害，09-07 14:03:34-09-07 14:03:35<font color=blue>It was a pretty serious collision.</font><br>185/327 469.14-471.84 <font color=red>hp</font> 这个激光雷达已经没法自我调整了。09-07 14:03:35-09-07 14:03:39<font color=blue>This LiDAR system can no longer be self-adjusted.</font><br>186/327 472.29-475.65 <font color=red>aaa</font> 那个时候你可能才需要去保养一下去较一下准。09-07 14:03:35-09-07 14:03:39<font color=blue>At that time, you might need to go for a check-up and get some tests done.</font><br>187/327 476.72-479.72 <font color=red>n</font> 最后你就记住激光雷达看的特别真切。09-07 14:03:36-09-07 14:03:39<font color=blue>Finally, you will remember that LiDAR is very realistic.</font><br>188/327 480.08-481.58 <font color=red>n</font> 但是的确有点娇气，09-07 14:03:37-09-07 14:03:39<font color=blue>But it's a bit demanding,</font><br>189/327 481.82-482.6 <font color=red>hp</font> 被伺候着。09-07 14:03:39-09-07 14:03:41<font color=blue>Being served.</font><br>190/327 483.45-484.53 <font color=red>aaa</font> 上述这一些雷达，09-07 14:03:40-09-07 14:03:41<font color=blue>The above radars,</font><br>191/327 484.83-485.91 <font color=red>n</font> 无论是激光雷达，09-07 14:03:41-09-07 14:03:42<font color=blue>Whether LiDAR or not,</font><br>192/327 486.09-486.57 <font color=red>n</font> 什么雷达，09-07 14:03:41-09-07 14:03:42<font color=blue>What radar,</font><br>193/327 486.75-489.95 <font color=red>aaa</font> 它的寿命其实至少和车一样，09-07 14:03:42-09-07 14:03:44<font color=blue>Its lifespan is actually at least as long as a car,</font><br>194/327 490.19-493.31 <font color=red>hp</font> 寿命最短的雷达也和车的使用寿命一样，09-07 14:03:43-09-07 14:03:47<font color=blue>The shortest-lived radar is just like the lifespan of a car,</font><br>195/327 493.61-495.17 <font color=red>n</font> 用个十年完全没问题。09-07 14:03:43-09-07 14:03:47<font color=blue>It's perfectly fine to use for ten years.</font><br>196/327 495.29-497.63 <font color=red>n</font> 所以你不用担心车上装了个激光雷达，09-07 14:03:44-09-07 14:03:47<font color=blue>So you don't have to worry about having a LiDAR installed in your car.</font><br>197/327 497.69-499.61 <font color=red>aaa</font> 会不会激光雷达要要先换，09-07 14:03:45-09-07 14:03:47<font color=blue>Will the LiDAR need to be replaced first?</font><br>198/327 499.91-500.75 <font color=red>n</font> 先换不会的，09-07 14:03:48-09-07 14:03:50<font color=blue>First, change the ones that are not right.</font><br>199/327 501.06-502.92 <font color=red>hp</font> 它差不多跟车的寿命一样。09-07 14:03:51-09-07 14:03:56<font color=blue>It's about the same as a car's lifespan.</font><br>200/327 503.28-508.14 <font color=red>n</font> 接下来我们就要说为什么国内的车企要让他们一起合作干活呢？09-07 14:03:51-09-07 14:03:56<font color=blue>Now we're going to talk about why domestic automakers want them to work together.</font><br>201/327 508.62-510.56 <font color=red>bg</font> 其实答案也很简单，09-07 14:03:52-09-07 14:04:22<font color=blue>The answer is actually very simple.</font><br>202/327 510.98-514.52 <font color=red>n</font> 一个对安全负责的系统一定会选择冗余。09-07 14:03:53-09-07 14:03:56<font color=blue>A system that is responsible for security will always choose redundancy.</font><br>203/327 515.03-517.38 <font color=red>aaa</font> 就像团队作战一个人再能干，09-07 14:03:53-09-07 14:03:56<font color=blue>Just like a team, one person can do more than just one thing.</font><br>204/327 517.56-518.16 <font color=red>xss</font> 也有短板，09-07 14:03:54-09-07 14:05:03<font color=blue>There are also weaknesses.</font><br>205/327 518.459-519.36 <font color=red>hp</font> 三个人一起上，09-07 14:03:57-09-07 14:03:59<font color=blue>Three people together,</font><br>206/327 519.72-521.58 <font color=red>n</font> 才能把安全做到极致。09-07 14:03:57-09-07 14:04:00<font color=blue>Only then can safety be achieved to the highest level.</font><br>207/327 522.19-523.21 <font color=red>aaa</font> 摄像头怕黑，09-07 14:03:58-09-07 14:03:59<font color=blue>Cameras are afraid of the dark.</font><br>208/327 523.45-524.53 <font color=red>n</font> 怕雨没有关系，09-07 14:03:59-09-07 14:04:00<font color=blue>It's okay to be afraid of the rain,</font><br>209/327 524.89-525.91 <font color=red>de</font> 毫米波雷达来，09-07 14:03:59-09-07 14:04:33<font color=blue>Millimeter wave radar is coming,</font><br>210/327 526.15-529.52 <font color=red>hp</font> 顶上毫米波雷达看不清物体没关系，09-07 14:04:00-09-07 14:04:06<font color=blue>The millimeter-wave radar on top doesn't need to see objects clearly,</font><br>211/327 529.82-532.22 <font color=red>aaa</font> 激光雷达会把轮廓画出来。09-07 14:04:01-09-07 14:04:02<font color=blue>LiDAR will draw outlines.</font><br>212/327 532.78-535.66 <font color=red>n</font> 同时这三样东西哪怕有其中的一样，09-07 14:04:01-09-07 14:04:06<font color=blue>At the same time, even if only one of these three things is present,</font><br>213/327 536.02-537.1 <font color=red>de</font> 哪怕就是坏了。09-07 14:04:02-09-07 14:04:33<font color=blue>Even if it's broken.</font><br>214/327 537.28-542.91 <font color=red>n</font> 另两样他自己也能够知道大部分情况下可以把事车开下去。09-07 14:04:03-09-07 14:04:06<font color=blue>In most cases, he can also figure out how to get the thing moving on his own.</font><br>215/327 543.27-545.67 <font color=red>aaa</font> 但如果你只有一样东西的系统，09-07 14:04:03-09-07 14:04:06<font color=blue>But if you only have one system,</font><br>216/327 545.85-549.11 <font color=red>hp</font> 那你可能就会担心万一失灵了怎么办？09-07 14:04:06-09-07 14:04:11<font color=blue>Then you might be worried about what to do if it fails.</font><br>217/327 549.23-551.63 <font color=red>de</font> 所以这就是一个冗余所带来的好处，09-07 14:09:08-09-07 14:09:25<font color=blue>That's the benefit of redundancy,</font><br>218/327 552.05-554.77 <font color=red>aaa</font> 但是是不是冗余都是好处？09-07 14:04:08-09-07 14:04:09<font color=blue>But are all redundancies good?</font><br>219/327 555.01-555.85 <font color=red>n</font> 有人可能又会问，09-07 14:04:08-09-07 14:04:10<font color=blue>Some people might ask again,</font><br>220/327 556.28-557.48 <font color=red>n</font> 既然冗余有好处，09-07 14:04:09-09-07 14:04:10<font color=blue>Since redundancy has benefits,</font><br>221/327 557.66-559.28 <font color=red>aaa</font> 那为什么又会有两条路线？09-07 14:04:10-09-07 14:04:11<font color=blue>Why are there two routes?</font><br>222/327 559.7-560.66 <font color=red>n</font> 有用冗余的，09-07 14:04:11-09-07 14:04:11<font color=blue>Useful redundancy,</font><br>223/327 560.78-561.8 <font color=red>n</font> 有纯视觉的，09-07 14:04:11-09-07 14:04:13<font color=blue>There are pure visual ones,</font><br>224/327 561.92-564.92 <font color=red>hp</font> 其实团队作战让这几个人一起开工，09-07 14:04:12-09-07 14:04:17<font color=blue>Actually, working together as a team allowed these people to start work at the same time.</font><br>225/327 565.45-567.61 <font color=red>aaa</font> 可不是就把东西堆上去就行。09-07 14:04:13-09-07 14:04:14<font color=blue>It's not just about piling things up.</font><br>226/327 567.91-570.37 <font color=red>n</font> 它是有三个特别棘手的难题，09-07 14:04:13-09-07 14:04:15<font color=blue>It has three particularly tricky problems.</font><br>227/327 570.67-571.15 <font color=red>n</font> 要解决。09-07 14:04:14-09-07 14:04:15<font color=blue>To solve.</font><br>228/327 571.76-573.98 <font color=red>aaa</font> 第一个难题就是时间得对齐。09-07 14:04:15-09-07 14:04:17<font color=blue>The first problem is to align the timing.</font><br>229/327 574.53-575.43 <font color=red>n</font> 你想摄像头，09-07 14:04:16-09-07 14:04:17<font color=blue>You want a camera,</font><br>230/327 575.67-577.47 <font color=red>n</font> 假设一秒拍十张照片，09-07 14:04:17-09-07 14:04:19<font color=blue>Assuming taking 10 photos per second,</font><br>231/327 578.01-580.11 <font color=red>aaa</font> 毫米波雷达一秒测二十次，09-07 14:04:17-09-07 14:04:19<font color=blue>Millimeter wave radar measures 20 times per second.</font><br>232/327 580.59-582.99 <font color=red>n</font> 激光雷达一秒也扫个十多次，09-07 14:04:18-09-07 14:04:21<font color=blue>Laser radar scans ten times or more in a second.</font><br>233/327 583.61-585.35 <font color=red>hp</font> 他们不是同时眨眼的，09-07 14:04:19-09-07 14:04:22<font color=blue>They don't blink at the same time.</font><br>234/327 585.59-586.97 <font color=red>n</font> 不是同时扫描的。09-07 14:04:20-09-07 14:04:21<font color=blue>Not simultaneous.</font><br>235/327 587.21-591.59 <font color=red>aaa</font> 所以我们得知道摄像头在第零点零一秒拍的照片，09-07 14:04:20-09-07 14:04:24<font color=blue>Therefore, we need to know the photo taken by the camera at 0.01 seconds.</font><br>236/327 592.16-598.82 <font color=red>n</font> 应该对齐毫米波雷达第零点零二秒的数据还是第零点零一五秒的数据。09-07 14:04:21-09-07 14:04:27<font color=blue>Which data should be aligned: 0.02 seconds or 0.015 seconds?</font><br>237/327 599.38-600.52 <font color=red>n</font> 如果时间不对，09-07 14:04:22-09-07 14:04:24<font color=blue>If the timing is wrong,</font><br>238/327 600.64-604.12 <font color=red>bg</font> 上数据就是乱的车就会做出错误的判断，09-07 14:04:23-09-07 14:05:10<font color=blue>If the data is messy, it will lead to incorrect judgments.</font><br>239/327 604.42-606.1 <font color=red>hp</font> 这可是生死攸关的，09-07 14:04:23-09-07 14:04:27<font color=blue>This is a matter of life and death,</font><br>240/327 606.22-608.68 <font color=red>aaa</font> 所以时间得顿齐是一个难题。09-07 14:04:24-09-07 14:04:27<font color=blue>Therefore, the problem of time is a difficult one.</font><br>241/327 609.36-611.58 <font color=red>n</font> 第二个难题是空间得对齐，09-07 14:04:25-09-07 14:04:27<font color=blue>The second problem is spatial alignment.</font><br>242/327 612.23-612.95 <font color=red>aaa</font> 同一个东西，09-07 14:04:28-09-07 14:04:29<font color=blue>The same thing,</font><br>243/327 613.13-616.19 <font color=red>n</font> 在三个人眼里看到的是完全不同的东西。09-07 14:04:29-09-07 14:04:30<font color=blue>What three people see is completely different.</font><br>244/327 616.72-620.5 <font color=red>hp</font> 比如一个行人摄像头看到的是一些像素点，09-07 14:04:29-09-07 14:04:33<font color=blue>For example, a camera sees pedestrians as some pixels.</font><br>245/327 621.05-622.73 <font color=red>n</font> 就是照片里的那些像素点。09-07 14:04:30-09-07 14:04:33<font color=blue>It's just those pixels in the photo.</font><br>246/327 623.18-625.25 <font color=red>aaa</font> 但毫米波雷达看到的是什么？09-07 14:04:30-09-07 14:04:33<font color=blue>What does millimeter-wave radar see?</font><br>247/327 625.95-627.09 <font color=red>n</font> 毫米波雷达是声波。09-07 14:04:31-09-07 14:04:34<font color=blue>Millimeter wave radar is a sound.</font><br>248/327 627.33-628.65 <font color=red>de</font> 所以看到的是一个回波，09-07 14:04:33-09-07 14:05:10<font color=blue>So what you see is an echo.</font><br>249/327 629.07-632.13 <font color=red>n</font> 就像你对着山谷喊一声听到的那个回声，09-07 14:04:34-09-07 14:04:36<font color=blue>Just like the echo you hear when shouting into a valley,</font><br>250/327 632.83-634.75 <font color=red>de</font> 但激光雷达看到的是什么呢？09-07 14:04:35-09-07 14:04:58<font color=blue>What does LiDAR see?</font><br>251/327 634.809-635.53 <font color=red>aaa</font> 是一堆光点。09-07 14:04:35-09-07 14:04:36<font color=blue>A pile of light spots.</font><br>252/327 635.97-639.33 <font color=red>hp</font> 因为它每秒向外发射数百万速的激光，09-07 14:04:36-09-07 14:04:40<font color=blue>Because it emits millions of laser beams per second,</font><br>253/327 639.69-641.19 <font color=red>n</font> 碰到东西就弹回来。09-07 14:04:37-09-07 14:04:40<font color=blue>Bounce back when you hit something.</font><br>254/327 641.49-644.91 <font color=red>n</font> 通过这样来画出一个东西的精确轮廓。09-07 14:04:37-09-07 14:04:40<font color=blue>To draw the exact outline of something.</font><br>255/327 645.47-651.01 <font color=red>aaa</font> 所以他们都得通过数学计算换算到同一个空间坐标里，09-07 14:04:38-09-07 14:04:40<font color=blue>Therefore, they all need to convert everything into the same coordinate system through mathematical calculations.</font><br>256/327 651.35-654.65 <font color=red>n</font> 这才知道你们三说的都是那一个行人，09-07 14:04:41-09-07 14:04:44<font color=blue>I finally realized that all three of you were talking about the same person.</font><br>257/327 654.95-658.67 <font color=red>hp</font> 这就是让三个不同语言的人说同一句话，09-07 14:04:42-09-07 14:04:46<font color=blue>This is how three people speaking different languages can say the same thing.</font><br>258/327 659.09-661.31 <font color=red>aaa</font> 这就叫做空间得对齐。09-07 14:04:42-09-07 14:04:44<font color=blue>This is called spatial alignment.</font><br>259/327 661.91-664.73 <font color=red>n</font> 第三个难题是芯片算力得够，09-07 14:04:43-09-07 14:04:46<font color=blue>The third problem is whether the computing power of chips can be sufficient.</font><br>260/327 665.32-666.16 <font color=red>de</font> 还不能太忙。09-07 14:09:46-09-07 14:09:56<font color=blue>Don't be too busy yet.</font><br>261/327 666.96-668.16 <font color=red>aaa</font> 这么多传感器。09-07 14:04:45-09-07 14:04:46<font color=blue>So many sensors.</font><br>262/327 668.46-672.15 <font color=red>n</font> 大家知道光是雷达可能有二十个，09-07 14:04:46-09-07 14:04:48<font color=blue>Everyone knows that there could be as many as twenty radars.</font><br>263/327 672.45-674.67 <font color=red>aaa</font> 摄像头有十多个二十个，09-07 14:04:46-09-07 14:04:49<font color=blue>There are more than ten, up to twenty cameras.</font><br>264/327 675.51-677.66 <font color=red>n</font> 反正就是这么多的传感器。09-07 14:04:47-09-07 14:04:49<font color=blue>Well, there are so many sensors.</font><br>265/327 677.9-681.14 <font color=red>hp</font> 每秒钟大家可以想想产生的数据量有多少？09-07 14:04:48-09-07 14:04:51<font color=blue>How much data can be generated per second?</font><br>266/327 681.78-687.72 <font color=red>n</font> 光是激光雷达一个激光雷达一秒就有几十万甚至上百万个点。09-07 14:04:49-09-07 14:04:54<font color=blue>Just a LiDAR, one LiDAR can have tens of thousands or even hundreds of thousands of points per second.</font><br>267/327 688.17-692.19 <font color=red>aaa</font> 这些数据又必须在一百毫秒内全部处理完，09-07 14:04:49-09-07 14:04:52<font color=blue>These data must also be processed completely within 100 milliseconds.</font><br>268/327 692.67-694.589 <font color=red>n</font> 否则车都开出去好几米了，09-07 14:04:50-09-07 14:04:53<font color=blue>Otherwise, the car has been driven out several meters.</font><br>269/327 694.83-695.61 <font color=red>hp</font> 反应就慢了。09-07 14:04:52-09-07 14:04:54<font color=blue>The reaction is slow.</font><br>270/327 695.95-699.31 <font color=red>aaa</font> 这就要求车上芯片的算力得特别强，09-07 14:04:52-09-07 14:04:55<font color=blue>This requires the chips in cars to have particularly strong computing power.</font><br>271/327 699.9-701.64 <font color=red>n</font> 但算力强又会怎么样呢？09-07 14:04:54-09-07 14:04:56<font color=blue>But what if the computing power is strong?</font><br>272/327 701.879-702.3 <font color=red>n</font> 功耗大，09-07 14:04:55-09-07 14:04:56<font color=blue>High power consumption,</font><br>273/327 702.54-705.06 <font color=red>hp</font> 车里就像什么装了一个小暖气片，09-07 14:04:55-09-07 14:04:59<font color=blue>There's like a small radiator in the car,</font><br>274/327 705.72-706.32 <font color=red>aaa</font> 散热不好，09-07 14:04:56-09-07 14:04:57<font color=blue>Poor heat dissipation,</font><br>275/327 706.56-708.0 <font color=red>n</font> 芯片就会自动降频，09-07 14:04:57-09-07 14:04:58<font color=blue>The chip will automatically reduce its frequency.</font><br>276/327 708.59-709.31 <font color=red>n</font> 一旦降平，09-07 14:04:57-09-07 14:04:58<font color=blue>Once lowered,</font><br>277/327 709.49-710.75 <font color=red>aaa</font> 他的算力就打折了，09-07 14:04:58-09-07 14:04:59<font color=blue>His computing power is discounted.</font><br>278/327 710.93-711.53 <font color=red>de</font> 算的慢了，09-07 14:04:59-09-07 14:05:21<font color=blue>It's taking a while.</font><br>279/327 711.88-713.2 <font color=red>n</font> 安全又会受到影响。09-07 14:04:59-09-07 14:05:01<font color=blue>Safety will also be affected.</font><br>280/327 713.38-715.3 <font color=red>n</font> 所以是一个互相牵制的，09-07 14:05:00-09-07 14:05:02<font color=blue>Therefore, it is a mutually restraining one.</font><br>281/327 715.54-718.96 <font color=red>hp</font> 而且车上芯片也是随着计算量越来越大，09-07 14:05:01-09-07 14:05:07<font color=blue>Moreover, the chips in cars are also becoming larger due to increasing computational demands.</font><br>282/327 719.14-720.34 <font color=red>aaa</font> 变得越来越多。09-07 14:05:01-09-07 14:05:02<font color=blue>Increasing.</font><br>283/327 720.76-722.74 <font color=red>n</font> 从一片两片到四片，09-07 14:05:02-09-07 14:05:04<font color=blue>From two to four sheets,</font><br>284/327 722.98-725.74 <font color=red>n</font> 到现在最厉害的都带八片芯片。09-07 14:05:03-09-07 14:05:07<font color=blue>The most powerful ones now all have eight-chip configurations.</font><br>285/327 726.53-730.13 <font color=red>aaa</font> 所以说我们还得考虑的另一个点就是负载均衡，09-07 14:05:03-09-07 14:05:07<font color=blue>Therefore, another point we need to consider is load balancing.</font><br>286/327 730.59-733.77 <font color=red>xss</font> 不能让一个芯片忙死别的芯片闲置。09-07 14:05:04-09-07 14:07:37<font color=blue>Don't let a chip work hard while other chips are idle.</font><br>287/327 734.34-734.82 <font color=red>n</font> 你可以想，09-07 14:05:05-09-07 14:05:07<font color=blue>You can think,</font><br>288/327 735.48-737.82 <font color=red>n</font> 如果中央处理器太忙，09-07 14:05:07-09-07 14:05:09<font color=blue>If the central processor is too busy,</font><br>289/327 738.36-740.34 <font color=red>aaa</font> 来不及给数据打时间戳，09-07 14:05:08-09-07 14:05:10<font color=blue>It's too late to add timestamps to the data.</font><br>290/327 740.64-744.96 <font color=red>hp</font> 那明明是这一秒上来的数据被打成了下一秒的时间戳，09-07 14:05:09-09-07 14:05:14<font color=blue>That's actually the data from this second being converted into a timestamp for the next second.</font><br>291/327 745.32-747.18 <font color=red>n</font> 那时间对齐不就乱了吗？09-07 14:05:09-09-07 14:05:11<font color=blue>Does that not cause a mess?</font><br>292/327 747.63-749.88 <font color=red>n</font> 这相当于芯片在瞎指挥，09-07 14:05:10-09-07 14:05:12<font color=blue>This is like a chip giving orders without any control.</font><br>293/327 750.36-751.62 <font color=red>bg</font> 那在咱们车上，09-07 14:05:11-09-07 14:05:34<font color=blue>In our car,</font><br>294/327 751.86-754.62 <font color=red>aaa</font> 我们怎么能够知道芯片有没有类呢？09-07 14:05:11-09-07 14:05:13<font color=blue>How can we know if a chip has been tampered with?</font><br>295/327 754.86-756.66 <font color=red>de</font> 有没有算力瓶颈呢？09-07 14:05:12-09-07 14:05:43<font color=blue>Is there a bottleneck in computing power?</font><br>296/327 757.12-760.24 <font color=red>n</font> 其实我们从数据流的变化是能够听出来的。09-07 14:05:13-09-07 14:05:16<font color=blue>Actually, we can hear the changes in data flow.</font><br>297/327 760.64-762.02 <font color=red>n</font> 比如说一个摄像头，09-07 14:05:13-09-07 14:05:16<font color=blue>For example, a camera.</font><br>298/327 762.66-765.54 <font color=red>aaa</font> 本来应该一秒传递时帧画面，09-07 14:05:14-09-07 14:05:16<font color=blue>The frame that should have been transmitted in one second.</font><br>299/327 766.44-769.2 <font color=red>n</font> 您发现有时候一秒来了八针后，09-07 14:05:17-09-07 14:05:21<font color=blue>You find that sometimes eight needles come in one second.</font><br>300/327 769.38-770.52 <font color=red>n</font> 一秒来了十二针，09-07 14:05:18-09-07 14:05:21<font color=blue>Twelve needles arrive in one second.</font><br>301/327 771.11-774.35 <font color=red>aaa</font> 那说明芯片已经在超负荷运转了，09-07 14:05:18-09-07 14:05:21<font color=blue>That means the chip is already running at full capacity.</font><br>302/327 774.59-775.49 <font color=red>hp</font> 处理不过来了。09-07 14:05:19-09-07 14:05:22<font color=blue>I can't process it.</font><br>303/327 775.94-776.78 <font color=red>n</font> 如果更严重，09-07 14:05:21-09-07 14:05:23<font color=blue>If it's more serious,</font><br>304/327 777.02-778.88 <font color=red>n</font> 下一秒直接没有数据了，09-07 14:05:22-09-07 14:05:24<font color=blue>The next second, there was no data.</font><br>305/327 779.0-780.98 <font color=red>aaa</font> 那说明缓冲区已经满了，09-07 14:05:23-09-07 14:05:24<font color=blue>That means the buffer is full.</font><br>306/327 781.16-782.6 <font color=red>de</font> 数据都被丢弃了，09-07 14:05:23-09-07 14:05:58<font color=blue>The data has been discarded.</font><br>307/327 782.96-784.7 <font color=red>hp</font> 这个信号特别关键。09-07 14:05:24-09-07 14:05:27<font color=blue>This signal is particularly important.</font><br>308/327 785.68-788.56 <font color=red>n</font> 因为丢一针可能就错过一个行人，09-07 14:05:25-09-07 14:05:27<font color=blue>Because losing a needle could mean missing an entire pedestrian.</font><br>309/327 789.04-792.88 <font color=red>de</font> 延迟一百毫秒车已经冲出去好几米了。09-07 14:10:26-09-07 14:10:46<font color=blue>The car, which was delayed by 100 milliseconds, has already driven a few meters.</font><br>310/327 793.3-797.02 <font color=red>aaa</font> 所以说数据就是无人车的生命线芯片，09-07 14:05:26-09-07 14:05:28<font color=blue>Therefore, data is the lifeline of autonomous vehicles.</font><br>311/327 797.32-799.66 <font color=red>n</font> 就是这条生命线上的调度源。09-07 14:05:27-09-07 14:05:30<font color=blue>This is the source of dispatch on this lifeline.</font><br>312/327 800.58-802.8 <font color=red>n</font> 但目前其实在我们开的过程中，09-07 14:05:27-09-07 14:05:30<font color=blue>But currently, in the process of our development,</font><br>313/327 803.16-805.8 <font color=red>hp</font> 很多车还没有实时检测芯片，09-07 14:05:28-09-07 14:05:32<font color=blue>Many cars don't have real-time detection chips.</font><br>314/327 805.98-807.84 <font color=red>aaa</font> 有没有过盲或丢帧啥的，09-07 14:05:29-09-07 14:05:30<font color=blue>Have you ever experienced blindness or frame loss?</font><br>315/327 808.19-809.33 <font color=red>n</font> 一般都是启动的时候，09-07 14:05:31-09-07 14:05:33<font color=blue>Usually, it happens when the system is starting up.</font><br>316/327 809.45-809.99 <font color=red>n</font> 检测一下，09-07 14:05:32-09-07 14:05:33<font color=blue>Check,</font><br>317/327 810.35-813.17 <font color=red>aaa</font> 检测完成后再开始无人驾驶功能。09-07 14:05:32-09-07 14:05:34<font color=blue>After detection is complete, start the autonomous driving function.</font><br>318/327 813.41-816.77 <font color=red>hp</font> 所以您看一辆无人车能安全的跑在路上。09-07 14:05:33-09-07 14:05:38<font color=blue>So, do you think a self-driving car can safely drive on the road.</font><br>319/327 816.95-818.45 <font color=red>n</font> 它背后呢是摄像头，09-07 14:05:34-09-07 14:05:35<font color=blue>Behind it is a camera,</font><br>320/327 819.05-819.89 <font color=red>n</font> 毫米波雷达、09-07 14:05:35-09-07 14:05:36<font color=blue>Millimeter wave radar,</font><br>321/327 820.25-822.17 <font color=red>aaa</font> 激光雷达各司其职，09-07 14:05:35-09-07 14:05:37<font color=blue>LiDAR systems, each with its own strengths and weaknesses.</font><br>322/327 822.72-825.18 <font color=red>bg</font> 是摄像头的数据和雷达的数据，09-07 14:05:36-09-07 14:06:08<font color=blue>Camera data and radar data,</font><br>323/327 825.48-832.23 <font color=red>n</font> 在毫秒级的时间里对其融合最后还是好几块大蒜力芯片，09-07 14:05:36-09-07 14:05:40<font color=blue>Merge several large garlic chips into it within milliseconds.</font><br>324/327 832.47-835.83 <font color=red>n</font> 在拼命工作还得保证自己不被累垮。09-07 14:05:37-09-07 14:05:40<font color=blue>Work hard, but don't burn yourself out.</font><br>325/327 836.48-838.82 <font color=red>aaa</font> 以后有机会我们就会聊聊另一条路，09-07 14:05:38-09-07 14:05:40<font color=blue>We'll talk about another option later,</font><br>326/327 839.24-841.76 <font color=red>hp</font> 纯世界路线到底行不行？09-07 14:05:39-09-07 14:05:42<font color=blue>Is the No Man's Sky route really feasible?</font><br>327/327 842.38-843.04 <font color=red>n</font> 我们下期见。09-07 14:05:40-09-07 14:05:41<font color=blue>See you next time.</font><br>