Harmonic Analysis in Electrically-Driven System Based on Wavelet Transform

摘要

This paper proposes to analyse the harmonic wave in the electrically-driven system according to the wavelet analysis. Theory the wavelet analysis has become the effective mathematical tool in harmonic analysis of electrically-driven system, especially in non-characteristic harmonic analysis. Because it overcomes the serious weakness of the Fourier transformation that cannot process local analysis and has the strong ability of extraction function and especially that of processing the mutation signal.