Re: [Discuss-gnuradio] Some usrp_spectrum_sense.py code Explanation

2008-12-30 Thread Firas Abbas
Hi, > --- On Tue, 12/30/08, Ling Huang wrote: > Hi, Firas > In my opinion the ouput Y[i] has the same dimension with > the power. If we square root the output, and divide it with the fft bin > numbers, then we get the voltage magnitude. Am I right? > > Best Regards, > Ling Yes, If we square r

Re: [Discuss-gnuradio] Some usrp_spectrum_sense.py code Explanation

2008-12-30 Thread Ling Huang
Interrupting Output Spectrum - The actual mapping from the levels at the daughterboard antenna input port to the output analysis values depends on a lot of factors including the used daughterboard RF gain and decimation specific gain in the digital down converter. You

[Discuss-gnuradio] Some usrp_spectrum_sense.py code Explanation

2008-12-29 Thread Firas A.
Hi Everybody, and Merry Christmas I received many emails requesting some explanation for usrp_spectrum_sense.py gnuradio example program. The following link contains the code with some explanation and one bug fix (in self.max_center_freq equation): http://rapidshare.com/files/177960860/usrp_spe