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- W2365123073 abstract "A kind of method for de-noising and improving signal noise ratio in railway signals transmission by wavelet transform is introduced,viz.,by using the specialties of wavelet transform,low-entropy,multi-resolution and de-correlation,etc,to high pass filter and low pass filter the railway signals and noise signals at the same time.Its high frequency coefficient reflects signal information mostly,and low frequency coefficient reflects noise signals and signal's detail information.This paper also gives multi-level wavelet transform analysis for non-calm railway noisy signals.and threshold processing high frequency decomposition coefficients for each level,then synthesize them,filtered the noises and saved the signal's high frequency information effectively." @default.
- W2365123073 created "2016-06-24" @default.
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- W2365123073 date "2006-01-01" @default.
- W2365123073 modified "2023-09-25" @default.
- W2365123073 title "On Wavelet Transform for Reducing the Noise Interfere of Engine Signals" @default.
- W2365123073 hasPublicationYear "2006" @default.
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