�������ϵ��������Ӱ��������������Ĺؼ�����֮һ��Ŀǰ��ȥ�뷽���У����˲���ͬʱ��������Ч�źţ�����������ƥ���㷨��ȥ�뷽�������ú͵����ź�ƥ���С�������źŽ��зֽ⣬��ѡ���IJ��δ�����Ч�źŴﵽȥ���Ч����ʵ���������������ƥ��С�����㷨�ܹ��ܺõ�ѹ�Ƶ����źŰ��������������ȡ�����������С����Ч�ź���������ʱ��С�����㷨ȥ��Ч����С��������ֵ���ã���������5 dB ±��

The signal-noise ratio is a key factor affecting the quality of seismic data�� The current denoising methods are difficult in removing noise without damaging effective signals�� Therefore��the denoising method based on matching algorithm is proposed�� The authors use wavelet packet matching the seismic data to decompose the signals�� select wave form to represent effective signals and reach to the effect of denoising�� Experimental analysis shows that using matching wavelet packet algorithm can suppress the white noise in seismic data well and improve signal-noise ratio�� The method denoising effect of wavelet packet algorithm is better than wavelet shrinkage threshold method��and signal-noise ratio can be improved for 5 dB when the noise energy is less than the effective signalcycle energy��

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