G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 17/10 (2006.01) G01D 3/032 (2006.01) G01N 15/10 (2006.01) G01N 37/00 (2006.01) G01S 7/292 (2006.01) G01S 7/527 (2006.01) G06F 17/14 (2006.01)
Patent
CA 2639710
A signal analysis method extracts transient target signals of known type from a raw data source signal that contains an unknown number of target signals. The method can enhance the analysis of data obtained from in-line oil--debris sensors. The method comprises steps of: defining signatures of the known target signal, and of at least one of the intrinsic noise and interfering signals; performing a mathematical transform that decomposes the raw data into distinct data sets; using the signal signatures to identify and nullify the data sets containing noise and interfering signal signatures; using the target signal signatures to identify the data sets containing target signal components, or may further use a thresholding rule to remove intrinsic noise from said data sets, and finally applying the inverse transform to the processed data sets in order to reconstruct an enhanced output signal.
Bozchalooi Iman Soltani
Fan Xianfeng
Liang Ming
Yeap Tet Hin
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
University Of Ottawa
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