Beam 1a noisy 01nov06


The problem:

    The alfalfa a2010 project reported extra noise in the drifts done with beam1a on 01nov06. They are doing drift scans using 100 Mhz bw centered at 1385 Mhz. They are dumping at a 1 second rate with 4096 channels per spectra. Each strip lasts  600 seconds.

    Dynamic spectra of beam 1a:

Plotting the total power jumps and ripple strength:

The plot shows the avg bandpass, total power jumps, and ripple strength (.ps) (.pdf):


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