Perhaps, Chapter 2 of "Digital Communications" by John Proakis? best, aditya
On Mon, Sep 30, 2013 at 10:26 AM, Lucas Ingles <lucas.lore...@gmail.com>wrote: > Hello to all, > > I am using GNU Radio to study digital communications systems. > I have been working on the basic FM receiver with RTL-SDR for a while. > > I was trying to find out what is the theory behind the complex I/Q samples. > What I discovered is that I/Q samples are first related to analytic > signals (the pre envelope) and then to the complex envelope of the signal > (the complex signal in base band). > In fact, what RTL-SDR outputs to the flow graph is the complex base > band signal, in other words, the signal translated to base band with just > the positive or negative portion of the spectrum. > > Please, can someone with more experience confirm to me if I am correct? > Can someone please recommend me some reference books about the theory of > I/Q samples? > > Thanks very much in advance, > Lucas Lorenzi Ingles > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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