[Discuss-gnuradio] sample and hold

2008-07-11 Thread Pepito31 Pepito31
Hello, I would like to construct a sample and hold function with : src_data=(0,)*4095,1 delay2=gr.vector_source_b(src_data,True) sample_and_hold = gr.sample_and_hold_ff() I would like that that sample and hold had a duration of 4096 cycles (4095 "0" followed by a "1"). But constructing my v

[Discuss-gnuradio] QPSK Demodulator

2008-07-01 Thread Pepito31 Pepito31
Hi all, I'm working on a qpsk demodulator (not differential), see code below : # Connect & Initialize base class self.connect(self,self.pre_scaler, self.agc, self.costas_loop, self.rrc_filter, self.clock_recovery) self.connect(self.clock_recover

[Discuss-gnuradio] Re: Spectrum Inversion

2008-06-16 Thread Pepito31 Pepito31
Matt Ettus wrote: > Pepito31 Pepito31 wrote: >> Hi, >> I have recorded a signal that is spectrum inverted. I've heard that it's >> possible to restore the signal by "swapping" I and Q, but I remember >> that there was a "minus" to intrudu

[Discuss-gnuradio] Spectrum Inversion

2008-06-16 Thread Pepito31 Pepito31
Hi, I have recorded a signal that is spectrum inverted. I've heard that it's possible to restore the signal by "swapping" I and Q, but I remember that there was a "minus" to intruduce in-between. Could you please help me, giving me the exact transformation to apply, and eventually the associated li

[Discuss-gnuradio] Spectrum Inversion

2008-06-16 Thread Pepito31 Pepito31
Hi, -- Posted via http://www.ruby-forum.com/. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio