改进的小波阈值法及其在地震数据降噪处理中的应用
刘剑1(
), 秦飞龙2,3()
), 秦飞龙2,3()
The application of the improved wavelet threshold method to seismic data de-noising
LIU Jian1(), QIN Fei-Long2,3()
), QIN Fei-Long2,3()
图4. 确定分解层数
a—观测信号;b、c、d、e、f—分别为改进的阈值降噪算法进行1~5层分解降噪效果
Fig.4. Determine the decomposition layers
a—oberservation signal;b、c、d、e、f—the denoising results of improved threshold algorithm from the first to the fifth decomposition
