On Tue, Nov 06, 2007 at 12:46:02PM +0200, Aadil Volkwin wrote:
> Hi
>
> Attached is code i've used to write a signal to file and subsequently to
> plot the samples.
> additionally i've attached the plot.
>
> Can anyone tell me what may be causing the huge spike at the beginning of
> the data set?
>
> thanks,
>
> Aadil
Aadil,
There seem to be some issues with your acquisition code:
(1) you're thowing away the the quadrature component of the complex
baseband signal from the USRP.
(2) you should be be using fg.start() / fg.wait(), not fg.stop().
It would be easier if you just used fg.run()
Eric
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