|Subject:||RE: [Discuss-gnuradio] measuring noise power|
|Date:||Mon, 18 Jan 2010 15:07:40 -0500|
If you mean usrp_spectrum_sense.py and usrp_fft.py, then, usrp_spectrum_sense.py in Gnuradio/gnuradio-examples/python/usrp, usrp_fft.py in Gnuradio/gr-utils/src/python/, if your install gnuradio is Gnuradio.
On 01/18/2010 01:22 PM, Kyungtae Kim wrote:
Thanks, I tried to find the example, however I couldn’t in the gnuradio directories. Could you let me know where I can find the sample code?
On 01/18/2010 12:36 PM, Kyungtae Kim wrote:
I am looking for a way to measure noise power through usrp1. I tried to test with usrp_spectrum_sense.py, however I am not sure the power values measured is correct, because it is not same values shown as the graph from usrp_fft.py. I wonder if someone helps me out for this.
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Try building a little app using GRC
using gr_complex_to_mag_squared(), then run it through an
gr-radio-astronomy/src/python/usrp_ra_receiver.py computes total power, using a long-term averager.
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