[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
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
-----------------------------------------------------------------------
E-Mail: address@hidden
WWW: http://www.commsys.isy.liu.se/en/staff/mikael
Phone: +46 - (0)13 - 28 1343
Telefax: +46 - (0)13 - 13 9282
Office: Building B, top floor, corridor A, between entrances 27-29.
-----------------------------------------------------------------------