On Thursday 01 September 2005 04:24 pm, David Van Horn scribbled:
> You could do Doppler microwave underneath the car without too many
> problems.
> Cosine error would have to be dealt with, but that ends up as a
> constant.
> Then you just look at how fast you are slowing down, and handle the
> brake lights appropriately.


Curious -- is this how an optical mouse works?
I think I'll go google for a bit...

Cheers,
-Neil.


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