Abstract:With broadening frequency band and enhancing effective signal energy during high resolution anelastic compensation,prestack high frequency noise will be boosted up,which cause lower signal to noise ratio on seismic sections.Therefore we present here a time varying method of prestack high frequency noise suppression based on generalized S transform.This method can reasonably determine high frequency suppression scope by interaction between man and computer,by which high frequency noise in prestack seismic data can be restrained and the reasonable space of deep layer can be reserved in advance for broadening frequency bandwidth in the late stage of high resolution compensation processing.This method can construct time-varying and spatial-varying filter which can better reserve effective signal energy compared with the frequency-space deconvolution filter.The real data processing results indicated that this prestack high frequency noise suppression method based on the generalized S transform is very effective.
李雪英, 侯相辉. 基于广义S变换的叠前高频噪声压制[J]. 石油地球物理勘探, 2011, 46(4): 545-549.
Li Xue-ying, Hou Xiang-hui. Prestack high frequency noise suppression based on generalized S transform. OGP, 2011, 46(4): 545-549.