基于Butterworth滤波器的线性噪声压制方法研究及实现  

Research and implementation of linear noise suppression method based on Butterworth filter

作　　者：李子伟[1] 邹明亮 曹成寅[1] 吴曲波[1] LI Ziwei;ZOU Mingliang;CAO Chengyin;WU Qubo(Beijing Research Institute of Uranium Geology,Beijing,100029,China;Research Institute No.230,CNNC,Changsha 410007,China)

机构地区：[1]核工业北京地质研究院,北京100029 [2]核工业二三〇研究所,长沙410007

出　　处：《世界核地质科学》2019年第4期216-220,共5页World Nuclear Geoscience

基　　金：国防预研项目(编号：3210402)资助

摘　　要：随着砂岩型铀矿勘查难度的增加,通过有效的处理方法提高地震资料的信噪比成为当前地震资料处理的首要任务。针对地震资料中最常见的线性干扰,开展了基于Butterworth滤波器的去噪方法研究,利用Fortran语言编制了计算机程序,实现了频率-波数域的线性噪声压制,并应用本算法对新疆准噶尔盆地地震数据进行了处理测试,单炮记录及叠加剖面的处理结果均显示基于Butterworth滤波器的噪声压制方法能够有效的压制线性噪声,效果优于商业软件的常规f-k滤波模块。With the increasing difficulty in the exploration of sandstone-type uranium deposit,improving the signal-to-noise ratio of seismic data has become the primary task of current seismic processing.To reduce the most common linear disturbances in seismic data,a Butterworth filter based noise suppression algorithm was studied and realized by computer program in Fortran language.And the algorithm was tested with the seismic data of Junggar Basin,the single shot and stacked profile showed that the filter module based on Butterworth filter can effectively suppress linear noise and the noise suppression effect is better than the conventional f-k filtering in commercial software.

关 键 词：砂岩型铀矿 地震数据处理 BUTTERWORTH滤波器 线性噪声 

分 类 号：P631.4[天文地球—地质矿产勘探]