摘要
海上地震资料中噪声类型十分复杂,其中外源干扰反射能量较强。它在地震道集上表现为双曲型干扰,并且其频谱形态与震源信号几乎完全重叠。本文主要对比了利用形态学原理和FK滤波来压制双曲型外源干扰的方法,证明很好的去除了外源干扰,同时保持了有效信号的信噪比和分辨率。
引文
1 LI,Q.,Wang,R.Q.,Huang,W.F.,Zheng,G.J.[2005].Method for Morphological Filtering in Seismic Data Processing.Petroleum Science,4(003),20-29.
2 Yang,W.C.,Wang,R.Q.,Wu,J.,Chen,Y.K.[2014].Random Noise Attenuation Using a New Spectral.Decomposition Method.84th SEG Annual Meeting.Society of Exploration Geophysicists.
3 Lu,C.G,Wang,R.Q.,Chen,X.Q.,Zhou,Y.X.,Chen,J.[2015].77th EAGE Annual Meeting Expanded Abstracts.