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Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod
From: |
Charles Swiger |
Subject: |
Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod |
Date: |
Tue, 07 Mar 2006 16:12:54 -0500 |
On Sun, 2006-03-05 at 00:48 -0500, Robert McGwier wrote:
> Almost. Translate the carrier to where you want it to be and then use a
> complex bandpass filter to pick off the sideband.
>
> make the filter edges L < H for your favorite bandwidth (H-L)
>
> for USB, make a complex filter with edges L, H
>
> for LSB, make a complex band pass filter with edges
>
> -H, -L
>
> Take the real part, make imaginary part = real part.
>
> send complex signal to sound card.
>
Do we have tools to make complex (negative freq) filter coeffecients?
(other than externally in matlab etc). I see 'optfir' but looks like
it makes float taps too.
--Chuck
- [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Matteo Campanella, 2006/03/04
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Eric Blossom, 2006/03/04
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Robert McGwier, 2006/03/05
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod,
Charles Swiger <=
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Bob McGwier N4HY, 2006/03/10
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Charles Swiger, 2006/03/10
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Robert W McGwier, 2006/03/10
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Marcus Leech, 2006/03/10
- Re: [Discuss-gnuradio] first attempt at gnuradio - ssb phasing demod, Charles Swiger, 2006/03/10