The amplitude shown in usrp_fft.py

Hi All,

I have a question on the amplitude of usrp_fft.py. How can I print out
the
max amplitude by given a center frequency. For example, if there is a
99.1MHz FM station, which is detected by RXTV d’board, I can use
usrp_fft.py
simply detect this signal in frequency domain. Meanwhile, I want to show
the
value of current peak amplitude of this signal on GUI. I know GUI part
now.
However, I don’t know how to print out the output of self.log in
fft_sink_c.
If I know this output, and find the max value in it, it should be the
max
amplitude I want to show in GUI. Am I right?

Thanks for any reply,
Brook

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