PCG Signal Denoising and Selection Optimal Level and Order

PCG Signal Denoising and Selection Optimal Level and Order

In Discrete Wavelet Transform

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The recorded phonocardiogram PCG signal is often contaminated by different types of noises that can be seen in the frequency band of PCG signal, which may change the characteristics of this signal. Wavelet transform has become an essential tool for many applications but its effectiveness is influenced by main parameters. Determination of mother wavelet function and decomposition level (DL) is important key factors to demonstrate the advantages of wavelet denoising . So, selection of optimal mother wavelet with DL is a main challenge to current algorithms . This work proposes a new approach for...