In Forbes, Brad Templeton has a nice article on the strengths and weaknesses of radar, relative to different sensors, and why so many firms appear to be fascinated about it proper now. He pegs the evaluation on Waymo’s latest radar announcement, however Templeton does a very nice job protecting numerous completely different points of radar usually, together with how Tesla and Mobileye do (and don’t) use this sensor.
As a result of radar tells you how briskly a goal is shifting in the direction of or away from you, these targets stand out from all of the stationary issues on the planet. You get reflections from stationary objects (like a stalled automotive in entrance of you) but it surely’s onerous to inform reliably from all the opposite stationary issues — just like the street, the fences, the indicators and extra. Early radar customers needed to simply ignore any returns from fastened objects, which is why you noticed radar-equipped Teslas plow into the facet of vans crossing the street and emergency automobiles stopped within the left lane.