2012•World Automation CongressRequires access

The application of DSP based on the wavelet analysis

Qian Li, Hong Song, Ning Li, Xing Li

Abstract

Digital signal is a function of time, which is some physical quantities long with time transformation, and the original signal is decomposed into a series of approximate component and details component by wavelet analysis. The wavelet transform is used in digital signal processing for simulation in MATLAB platform, and giving an example analysis. The result shows that the choice of suitable wavelet function makes the least amount of calculation, the high detection performance and the strong function. Wavelet transform in digital signal processing has a broad prospect of application.

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Key concepts: Wavelet, Wavelet transform, Second-generation wavelet transform, Discrete wavelet transform, Digital signal processing, Computer science, Wavelet packet decomposition, Stationary wavelet transform