>> Alas the reflections thing is a good theory but they would be out of phase
>> cancelling out the other reflections - effectively making the transit "stealthy"
>>
No reason that I can think of that they should be out of phase (any more than with a single vehicle).
I think that there will be 2 frequency components to the return signal, the normal return with a shift from the speed of the van, and a second component where the doppler shift will be as a result of the sum of the speeds of the 2 vehicles. IYNWIM.
Last edited by: pmh on Tue 16 Mar 10 at 15:12
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