保持矢量特征的波场分离是提高多分量地震数据处理质量的关键。本申请针对传统方法波场分离不彻底、矢量特性保持不佳等问题，开展基于复矢量Radon变换的地震矢量波场分离方法研究。在深入分析多分量地震波场的矢量特性基础上，根据Radon变换波场分离的数理原理，探索偏振特性、变换系数与矢量保持的内在联系，利用复矢量变换系数与偏振特性的关系，研究基于复矢量高分辨率Radon变换的地震矢量波场分离算法。在此基础上，将具有物理耦合关系的三分量地震数据构建成RZ和RT两两组合的复矢量，利用地震波的偏振特性和复矢量表征，研究复矢量高分辨率Radon变换方法分离不同类型波的可能性、有效性，并测试保持地震波矢量特征的性能。预期获得的地震矢量波场分离方法，可用于天然地震、石油地震、工程地震等多分量地震数据的面波、体波分离，横、纵波分离，快、慢横波分离，为推动多分量地震信息的应用提供有效的理论方法支撑。

Wave field separation preserving vector characteristics is the key to improve the quality of multi-component seismic data processing. In order to solve the problem of incomplete wave field separation and poor vector properties by using the traditional method, the seismic vector wave field separation method based on the complex vector Radon transform will be carried out. On the basis of deep analysis on the properties of seismic vector wave fields, the research explores the intrinsic relations between polarization characteristics, transformation coefficient and vector maintenance, based on the mathematical and physical principle of Radon transforms to separate wave fields. Using the relation between complex vector transform coefficient and polarization characteristic, we will do research in the seismic vector wave field separation method based on complex vector high resolution Radon transform with vector-preserving characteristics. On the basis of the research above, the three-component seismic data with physical coupling relationship are constructed into two sets of complex vectors, RZ and RT component seismic data. Using the polarization characteristics and complex vector characterization of seismic waves, the possibility and effectiveness of complex vector high resolution Radon transform for separating different types of waves are studied, and the performance of preserving the vector characteristics of seismic wave is also tested. The vector wave field separation method obtained by this study can be used to separate ground roll and body wave, PP and PS wave, and fast and slow shear waves from earthquake, oil seismic prospecting, engineering seismic prospecting. The result obtained can provide effective support on the theoretical method to promote the application of multicomponent seismic information.