If I remember correctly the audio rate is literally the data rate
your sound card is sampling at eg 32kHz or 44.1kHz and quad rate is
the incoming rf sampling rate. For example you may have sampled your
RF at 128kHz and be running your audio (or whatever) at 32kHz.
On 24/02/2011 11:45 PM, ömer günay wrote:
I am trying to do sdr radar. I will send linear fm modulated
signal and then take it. I am seaching fm modulating blocks in
grc. I ran some examples but could not understand it is true or
not. I also looked nbfm and wbfm transmitter and receiver blocks
in grc but i could not find any documents about these blocks. For
example what do audio_rate and quadrature_rate mean? I must do
linear fm transmitter and receiver for our project. Could you help
me if you have any documents or opion?
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