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Re: [Discuss-gnuradio] Phase demodulation


From: Mikael Olofsson
Subject: Re: [Discuss-gnuradio] Phase demodulation
Date: Fri, 07 Oct 2011 11:40:50 +0200
User-agent: Thunderbird 2.0.0.24 (X11/20110928)

Achilleas Anastasopoulos wrote:
arctan (imag(out)/real(out)) plus some filtering to remove out of band noise (it would be nice also to make sure you avoid discontinuities inherent in the arctan function)...

I would like to add that you should use four quadrant arctan, i.e. add or subtract pi to the above if the real part is negative.

Regards
/Mikael Olofsson
Universitetslektor (Associate Professor)
Linköpings universitet

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