Hi,I am not using GNU Radio, I am simply taking 16-bit data samples from the USRP in a small C++ interfacing program for Windows using "usrp_standard.h". Now, I want to write my own FM demodulation code for these samples as I am not using GNU Radio, I won't be using any signal processing blocks, therefore I cannot use usrp.source_c [s] block.
So in this case, what is my 16-bit sample representing? An I or Q or (I + Q)? On Thu, May 28, 2009 at 2:59 AM, Jason Uher <jasonu...@gmail.com> wrote: > > So the data samples that I am getting are in the form of I0,Q0,I0,Q0.... > or > > a sum: (I + Q)? > > If these are in the form of I0,Q0 ... then how do we keep a track that > which > > one is an I and which one is a Q? > > Which usrp source are you using in gnuradio? There are both real > sources, and complex sources. You want to use a complex source, in > which case the data will be streamed as (I0+Q0i). > > > Jason >
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