4 ms·
The usual answer is that the signal that reflects of many stationary objects, like trees, cars, all of which have the same dopler shift and must normally be dis
by childintime 8y ago
The usual answer is that the signal that reflects of many stationary objects, like trees, cars, all of which have the same dopler shift and must normally be discarded.
Still, this answer doesn't quite satisfy, because it ignores the very strong signal that exists right before a crash, which crash avoidance technologies do (seem to) use.
- abalone 8y agoThe difference is in the compare. A collision avoidance system is there to help correct driver errors, so even if it only works 50% of the time it is still a massive reduction in the accident rate. Whereas with autopilot the expectation is that it should be recognizing objects as good or better than drivers, so a 50% failure rate would be considered massively buggy. Note: Tesla also has a collision avoidance system, which is actually on all the time and a distinct feature from autopilot (although it uses the same underlying sensors).