Abstract：Based on studying the fundamental principle of filtering by radial trace(RT)transform to depress coherent noise,we showed,through correlation and analysis on f-k filtering effect in simulated and practical data,that the RT filtering can be treated locally by selecting adequate transform origin and range of apparent velocity based on the feature of noises,without affecting other regions. Faced with alias-free sampling of seismic wavefield in high-density acquired data,we correlated and analyzed application effects of RT filtering in acquired data by high density and common group interval,and carried out processing test for highdensity acquired data,which fully demonstrated the effectiveness of RT filtering depressing coherent noise in high-density acquired data.RT filtering is very suitable for usage in attenuation of coherent noise in high-density acquired data,but it still needs to be completed as a mature denoise technique of high-density acquired data.
刘志鹏, 陈小宏, 李景叶, 黄饶. 径向道变换压制高密度采集资料中的相干噪声[J]. 石油地球物理勘探, 2008, 43(3): 321-326.
LIU Zhi-Peng, CHEN Xiao-Hong, LI Jing-Ye, HUANG Rao. Study on using radial trace transform to depress coherent noise in high-density acquired data. OGP, 2008, 43(3): 321-326.
