Re: [Discuss-gnuradio] usrp_fft.py questions

2005-04-24 Thread Eric Blossom
On Wed, Apr 20, 2005 at 05:38:51PM -0400, Anastasopoulos Achilleas wrote: > Dear all, > > I guess I should have spent more time experimenting and > studying the examples before asking these questions. > In any case, I have resolved both issues: > > I added the piece of code in both usrp_fft.py an

Re: [Discuss-gnuradio] usrp_fft.py questions

2005-04-20 Thread Anastasopoulos Achilleas
Dear all, I guess I should have spent more time experimenting and studying the examples before asking these questions. In any case, I have resolved both issues: As it turns out the ADC's (I guess due to some hardware mismathces etc) may add a DC term at the output. This offset can be eliminated e

[Discuss-gnuradio] usrp_fft.py questions

2005-04-19 Thread Anastasopoulos Achilleas
Now that I understand how the basic Tx and usrp_siggen works, I am trying to get a handle on the basic Rx and the usrp_fft.py script. Here are a couple of observations/questions: 1) If nothing is connected to the basic Rx I get a strong DC term on the fft display. Where is this coming from? Also