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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




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