Heckler, Gregory W. (GSFC-596.0) wrote:
Have you ruled out the USRP overflowing? I have had that problem bite me
too. It causes all of the tracking
channels to dump in my receiver, but I could see how it could also cause
a jump in the frequency estimate
(delay in time domain == shift in frequency domain) coming out of your
FFT acquisition.
Hi Greg,
I ruled out a USRP overflow for two reasons:
1. When I recorded the data, there was no indication of overflow
2. When I perform a "continuous acquisition", the frequency jumps, but
the C/A offset does not. When data is lost, the C/A offset will jump also.
However, I do have a dataset with missing data that gave no indication
data was lost during the collect. I'm chatting about this in another
thread "Losing data during long collects"
CHris
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