Re: [Discuss-gnuradio] Distance Measurement

Remember: signals moves at rough 3.3 microseconds per km...
Il 13/lug/2015 10:37 "Sylvain Munaut" <246tnt@gmail.com> ha scritto:
>
> 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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