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Dudley (@wa1x)

ASEE, BS Physics. Careers in broadcast engineering, scientific instruments, software development. Amateur Extra Class license, WA1X Recent project is building an SDR transceiver for amateur radio use.

Re: Windowing before FFT on packets of IQ datastream

Reply posted 6 years ago (10/04/2018)
Excellent. Thanks again to both of you.  I do have your book and it has been a great help.  I think I got off on the windowing tangent because I was reading all...

Re: Windowing before FFT on packets of IQ datastream

Reply posted 6 years ago (10/04/2018)
Thanks very much for that reply, kaz.  That answers my original question. Also, the books and other examples that I have are quite good on fft resolution, zero...

Re: Windowing before FFT on packets of IQ datastream

Reply posted 6 years ago (10/04/2018)
This is what I am trying to accomplish, which is FFT Convolution where bandpass filters on the order of a thousand taps or so are applied in the frequency domain...

Re: Windowing before FFT on packets of IQ datastream

Reply posted 6 years ago (10/04/2018)
No, it is a stream of I/Q data being sent in blocks.  There is no protocol in the actual data itself.  I think that ordinarily you would be right. It would be...
I am working on writing my own SDR software.  I have receiver hardware that delivers IQ data decimated down about ten khz coming in in packets of 480 complex samples...

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