First of all, I want to thank you for your answer. Then, It is correct? (for a simple simulation of 1k, 2k and 3k Hz of doppler shift)
Thank you. Saul E. 2014-12-22 10:26 GMT+01:00 Marcus Müller <[email protected]>: > Hi Saul, > > a doppler shift is, mathematically speaking, nothing more than a > multiplication with a complex sine, so use a multiply block and a signal > source per simulated sattelite. > > Now, you might want to update your doppler shift according to a simulated > sattelite's position. I recommend having a look at PyEphem[1], which offers > you calculational routines for such things, and writing your own python > block[2] to generate the complex sine. > > Greetings, > Marcus > > [1] http://rhodesmill.org/pyephem/ > [2] http://gnuradio.org/redmine/projects/gnuradio/wiki/Guided_Tutorials ; > go through tutorials 1, 2, 3 > > > On 12/22/2014 10:14 AM, Saul E. wrote: > > Hi all!! > > I am developing a SDR receiver and want to simulate the doppler of signal > from several satellites. > Any suggestions? > > Signal1, signal2 and signal3 are BPSK signals and I use a USRP N200. > > > > > > Thank you very much in advance. > Saul E. > > > > _______________________________________________ > Discuss-gnuradio mailing > [email protected]https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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