On 10/05/2011 05:05 PM, Phelps Williams wrote:
Excuse my ignorance but I need this spelled out for me. I am trying
to come up with a phase demodulator to effectively perform the
opposite function as the gr_phase_modulator_fc class. According to
the code this is effectively doing output=complex(cos(in*sensitivity),
sin(in*sensitivity)).
Is there a better approach than simply taking the real component of
the output of gr_phase_modulator_fc and then doing:
original_in = arccos(real(output)) / sensitivity
Is there a block that already does this in grc? Thanks!
-Phelps
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There's a quadrature demod block that can generally be used to
demodulate both PM and FM signals.
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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