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《Chinese Journal of Geophysics》 2016-09
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3D stereo-tomography based on the non-reduced Hamiltonian

YANG Kai;XING Feng-Yuan;LI Zhen-Wei;WANG Yu-Xiang;NI Yao;State Key Laboratory of Marine Geology,Tongji University;Sinopec Shanghai Offshore Oil & Gas Company;Aramco Far East(Beijing) Business Services Co.,Ltd;Sinopec Geophysical Research Institute;  
Stereo-tomography is a very attractive tomography method with which the position of reflector,the dip of the reflector and the velocity structure can be inverted simultaneously.Differed from the previous 3Dstereo-tomography derived in the ray-centered coordinate,in this paper,a detailed investigation of the setup,solution and regularization of the 3Dstereo-tomographic matrix equation,which is based on the ray perturbation theory in 3DCartesian coordinate system,is presented.After this sparse and huge 3Dtomographic matrix is setup,some regularization techniques have to be applied to guarantee a proper convergence.The 3Dsynthetic data examples demonstrate the correctness of the setup of the 3Dstereo-tomographic matrix and the necessity of the related regularization techniques,from which a solid foundation for the real applications of 3Dstereo-tomography is constructed.
【Fund】: 国家自然科学基金面上项目(41274117、41574098)资助
【CateGory Index】: P631.4
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