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From: david on 1 Jul 2010 12:35
Hello ia have demodulated a signal I and Q in fM but i obtain a peak in DC and i do not know why, any ideas?
the signal record data taken in a satellite
From: Wayne King on 1 Jul 2010 13:14
"david " <int78005(a)stud.uni-stuttgart.de> wrote in message <i0ig48$m2n$1(a)fred.mathworks.com>...
> Hello ia have demodulated a signal I and Q in fM but i obtain a peak in DC and i do not know why, any ideas?
> the signal record data taken in a satellite

If you are using an envelope detector, then there will be a DC offset.

Wayne
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