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Figure 7
Noise sample collected without beam for estimation of the signal-to-noise ratio (top panel, blue); and the noise after application of the Butterworth filter with a 20 kHz cut-off frequency (top panel, green). Amplitude of noise frequencies (bottom panel, blue) and the effect of application of the Butterworth filter (bottom panel, green). The red line gives the scaled Butterworth gain factor.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 2| March 2020| Pages 551-557
https://doi.org/10.1107/S1600577519017053
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