[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] An FFT base xlating filter
|
From: |
Alexandru Csete |
|
Subject: |
Re: [Discuss-gnuradio] An FFT base xlating filter |
|
Date: |
Sun, 3 Feb 2013 10:53:07 +0100 |
On Sun, Feb 3, 2013 at 7:16 AM, Jeff Scaparra <address@hidden> wrote:
> I just watched Tom Rondeau's presentation at TAPR online and learned about
> the benefits of an FFT filter over a FIR filter. I am wondering if there is
> a good way to replace my XLATING FIR Filters with FFT ones. I do need to be
> able to move the center frequency around?
You can separate the translation from the filter and use complex
multiplication with a sine wave, where the frequency of the sine wave
corresponds to the translation offset.
Alex
Re: [Discuss-gnuradio] An FFT base xlating filter, Ghulam Rasool Begh, 2013/02/03