Track irregularity analysis based on wavelet transform
Jianhui Lin · 2006
According to the characteristics that track irregularity is focus on the low frequency-band,data is reconstructed based on the wavelet transform,and some interferon is removed.In order to guarantee the reliability of the result,the Daubechies,the Meyer and the Harmonic wavelet families are employed to make a compare.The result indicated that the desired track irregularity could be extracted with the help of the harmonic wavelet function effectively.