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MDSPS cycle,
measured on 5/11/04 at 18h29. No excitation.
I wish I had so much betatron signal for other beams also...

Beam sound, H plane, 20-times stretched time scale, mono, ca 1.3MB, 26kS/s.




Magnitude spectra of the above signal are shown below for frequencies 90-110kHz. Each spectrum segment (5ms) is normalized separately. This is the reason for red regions for parts with small signal.






Cross-sections of the above plots at the moments specified, linear scale.





Cross-sections of the tune path in log scale. The spectra are normalized to the highest value in the cycle (usually this is at the injection).


(c) M.Gasior, CERN-AB-BDI. All rights reserved.