Re: Basic question about carrier synchronize in PM de

So, my question is how to remove carrier offset in the I/Q signals.

If your frequencyoffset is Fo, you’ll need to develop a “local
oscillator” signalat frequency-Fo andfeed that to one input of a
mixer/modulator [multiplier] stage (the other input being your original
signal). The output of the mixer would be the desired signal, with
offset removed…

The actual mixing is usually trivial; the more challenging problem is
generallyhow to extract the value of [-]Fo (perhaps a PLL?). This
problem is treated extensively in the literature…

Max

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