An Adaptive Denoising Method for Ground Motion Signals
Aiming at the problem of poor noise reduction effect and signal distortion when the traditional spectral subtraction methods in dealing with interference and noise in ground motion signals,the power spectrum characteristics of different types of interferences and noises have been studied and analyzed.A method based on the power spectrum characteristics of interferences and noises to adaptively select noise reduction processing operations is proposed,which not only meets the noise reduction requirements of different interferences and noises,but also avoids signal distortion caused by noise reduction processing.
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