Hi,
> So, I want to measure the time delay on the Scope Sink, or in Matlab the
> samples delay that are between the trasmitted signal and the received
> signal. If I could have this information I could know the distance by the
> formula v=d/t, where v is the speed of the light, d= distance and t= time
> delay of the two signals.
Did you actually _do_ the math you're talking about ?
You're sampling at 400 kHz. So for the delay to change by 1 _single_
sample, you'd need to move the antenna 750 meters appart !
Cheers,
Sylvain
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