特斯拉对雷达态度的反复横跳，可能会让一些吃瓜群众有些烧脑——不是说好了 All in 视觉吗，怎么说变就变？ 很久以来，群众对马斯克的“第一性原理”有些误解，认为“第一性原理”在特斯拉的表现就是模仿人类，人只靠视觉就能开车，因此自动驾驶也应该如此。 实际上，特斯拉选择视觉为主的智能驾驶方案，原因一，是其能看到更丰富的信息（如颜色、语义，马斯克称为高数量级的“量子比特”），二是成本低廉。而技术的发展是动态的，只要达成或者逼近上述条件，不同的传感器会找到自己的用武之地。 特斯拉对雷达的暧昧态度，也能反映出这家公司最真实的第一性原理——设立一个高难度的目标，然后找到最具性价比的工程手段实现它。 （PS：国内特斯拉车型毫米波雷达、超声波雷达依然在岗，从未失业）
参考资料：
[1] 电动车企争相入局，一体化压铸为何被特斯拉带火，见智研究Pro
[2] 撞了电动车，掏空我钱包，品玩
[3] 自动驾驶驶入快车道，车载摄像头迎来量价齐升，东方证券
[4] CVPR 2021 Workshop on Autonomous Driving，Andrej Karpathy
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