nice one, thanks.

i'll have another play.

mj

On Wed, 23 Mar 2005 09:26:23 -0800, Matt Ettus <[EMAIL PROTECTED]> wrote:
> 
> 
> > I have been trying to find a way to use usrp_rx_file.py to grab a
> > certain bandwidth and sample rate from my usrp and save it into a
> > file. By moving the decimation value to max i can't get the bandwidth
> > down to 12.5khz.
> 
> The USRP hardware will only decimate by up to 128 at this time.  That will 
> give
> you 500 ks/s complex and 500 khz of BW.  In software you should then pass the
> signal through a decimating FIR filter to get it down to the width you'd like.
> Nearly all of them examples show how to use one of these filters.
> 
> > How could I add a bandpass filter to usrp_rx_file.py? Is this even the
> > right way to go?
> 
> Yes
> 
> > Also, is it possible to transmit the captured rf from the file at a later
> > date?
> 
> Just reverse the process you used to receive it.
> 
> Matt
> 
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