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What is the role of signal processing in SHM?

April 26, 2017shm signal

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What is the role of signal processing in SHM?

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Besides dispersion, structure scattering and reflection of the high frequency ultrasound Lamb waves introduce even more complexities to the signals collected by the sensors. Signal processing plays a role of noise suppression and feature extraction. The extracted features will be more sensitive to a damage while more robust to disturbances. It will thus improve the effectiveness of SHM.