Detecting whether a signal is FM or AM


In gnuradio, is there anyway that can help me to determine whether a
signal is FM or AM?

Thanks for any hint.


Hi Wood,

we are implementing a simple automatic modulation detection system to
exactly determine if a signal received by the USRP is AM ou FM. In
this moment we are trying to implement a block to receive the signal
an calcute it average, it is need in the procedure.
We are using an algorithm proposed in E. E. Azzouz and A. K. Nandi,
Automatic Modulation Recognition of Communication Signals. Kluwer
Academic, 1996. If you need more details please e-mail to me,


2009/5/16 Woody D. [email protected]:

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