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Re: [Discuss-gnuradio] How to use USRP to detect and collect weak satell


From: Sylvain Munaut
Subject: Re: [Discuss-gnuradio] How to use USRP to detect and collect weak satellite signals
Date: Wed, 4 Sep 2013 15:15:37 +0200

Hi,

> apparently someone else was at OHM ...

Yes :)


> i had not seen the trick of squaring the GPS signal to get rid of the
> phase modulation and hence the spread spectrum to only recover the doppler
> shift elsewhere: looks like a great trick to validate the reception of a GPS
> signal even below thermal noise levels.

Me either, it was the first I heard of it and I need to give it a shot
sometime !


Cheers,

    Sylvain



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