Simultaneously, a migration imaging technique using the whole MT observed frequency bands information was realized.
同时实现了可包含所有观测频率信息的全频段MT偏移成像技术。
Theoretical analysis shows that near field 3-d range migration imaging technique can reduce computational complexity in much degree by contrast with back propagation algorithm.
理论分析表明：近场三维距离偏移算法与后向投影算法相比，能在较大程度上减少运算量。
Prestack depth migration is an ideal technique for seismic data imaging in the regions with complex structural conditions and severely changeable lateral velocities.
叠前深度偏移技术是解决复杂构造和速度横向变化剧烈地区的地震资料成像问题的理想技术。
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