摘要
基于抛物线Radon变换地震道重建(PRT)的基本原理和傅里叶变换频谱的基本性质,本文提出了迭代加道均衡抛物线Radon变换(BPRT)方法,把道均衡技术和带限PRT法有机地结合起来,不仅大大提高了缺失地震道插值重建的计算效率,而且成功运用于叠前地震资料的反假频重采样处理中。此法与传统最小二乘抛物线Radon变换法相比,其计算精度相同,且计算效率大约提高了5倍。理论模型试算与实际地震资料处理证明该方法具有精度高、效率高的特点。
Based on the basic principle of seismic trace reconstruction by parabolic Radon transform (PRT) and basic nature of Fourier transform spectrum, the paper presented iteration plus trace e- qualization parabolic Radon transform method that combines the trace equalization technique with band-limited PRT method, which not only greatly improves computational efficiency of interpolation reconstruction of missing seismic trace,but also is successfully used for anti-alias re-sampling processing in prestack seismic data. In comparison with traditional least square parabolic Radon transform, the method has equal computational precision but the efficiency increases by a factor of about 5. The theoretical model test and real seismic data processing showed that the method is characteristic of high precision and high efficiency.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2005年第5期518-522,560,共6页
Oil Geophysical Prospecting
基金
中国科学院知识创新工程项目(KZCX1-SW-18)资助。
