Deviations in periods of output from tracking filter measured. Signal-analyzing system measures degree to which sinusoid contaminated by noise. Noise-contamination detector indirectly measures noise in noisy sinusoidal signal by measuring average value of fractional absolute dither in period of signal. Developed to measure noise in outputs of vibration sensors used to test bearings and other components of rotating machinery.
Noise-Contamination Detector
NASA Tech Briefs ; 14 , 4
1990-04-01
Miscellaneous
No indication
English
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