Dear Aadil, 1) First upgrade to latest gnuradio release. 2) Put the USRP behind. 3) Start generating the sinewave by software using gr.sig_source 4) Do the mathematics or FFT or whatever you want on this simulated signal. 5) If everything is ok, switch back to USRP, if not, then you have a problem in using the gnuradio, and you should learn more.
Regards, Firas ----- Original Message ---- From: Aadil Volkwin <[EMAIL PROTECTED]> To: Eric Blossom <[EMAIL PROTECTED]> Cc: Firas abbas <[EMAIL PROTECTED]>; [email protected] Sent: Saturday, November 10, 2007 6:27:40 PM Subject: Re: [Discuss-gnuradio] Signal reconstruction Also, it's not clear to me what you're actually trying to do. I'd like to capture FM signals and perform ambiguity measurements on them. at the moment, i am failing to capture data correctly. If you want to plot data in real time, please use either the usrp_fft.py or usrp_oscope.py applications. You can capture data to disk using the usrp_rx_cfile.py example. I suggest you start with these, then do your own experiments. These are the files that I have been using. usrp_rx_cfile.py to write to file and usrp_fft.py and usrp_oscope.py for realtime examination of the data and Matlab for post processing, based on the utils in gnuradio-core. Eric
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