sorry guys my bad. The frequency_offset here is a ratio of the input sampling frequency. I should be RTFMing more carefully. :)
Thanks John On Mon, Jun 28, 2010 at 2:12 PM, John Andrews <[email protected]> wrote: > Hi, > I have a nagging doubt about how the channel model is implemented in > gnuradio. Suppose I have an input signal entering the channel model at > 100,000 samples/sec. Let's say the channel model has to add an offset of > 1000Hz to the input signal. Then I must have 100,000 samples of a 1000Hz > SINE_WAVE signal and multiply each input sample with a corresponding input > sample. Am I right? If I am right then i don't see this happening here with > the sampling rate given as 1 in the line below > > d_freq_offset = gr_make_sig_source_c(1, GR_SIN_WAVE, frequency_offset, 1.0, > 0.0); > > If I am wrong then will someone please correct me here. > > thank you very much > John >
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