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Re: [Discuss-gnuradio] multi-band receiver
From: |
Johnathan Corgan |
Subject: |
Re: [Discuss-gnuradio] multi-band receiver |
Date: |
Wed, 05 Sep 2007 12:47:38 -0700 |
User-agent: |
Thunderbird 1.5.0.13 (X11/20070824) |
Dan Halperin wrote:
> In this example (and indeed, in the code for the analysis_filterbank),
> we divide a 1MHz band exactly into 25 kHz channels. However, the
> channels at the edge will be attenuated (cite: Matt's email of yesterday
> 12:11 AM PST). I therefore oversampled the desired passband by 33%,
> which causes the resulting wideband signal to not divide evenly into
> channel-sized chunks.
>
> If I do some sort of 3/4 resampling should the passband quality suffer?
Can you post your channel spacing and number of channels needed?
--
Johnathan Corgan
Corgan Enterprises LLC
http://corganenterprises.com