Quote:
Originally Posted by Venom
That's not true, lidar is line of sight(just youtube a lidar gun in action or watch the guys of lidar videos for their explanations). Radar has a diminished functionality but still works decently well past barriers and obstacles. It measures doppler shift(based on sound waves). A great(read: expensive) radar detector will still catch radar over barriers because it will be more sensitive due to multiple antennae, angle of antennae with respect to each other, etc.
Plus, you shouldn't be speeding too much into a blind corner, they wont need radar/lidar to estimate your speed before you notice them.
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Yea, this is what I meant (by "reflections"). You said it more eloquently. In the real world though, it depends on the conditions (terrain, cars, road signs, etc).