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《Chinese Journal of Geophysics》 1992-01
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ZHANG GUAN-QUAN LIU FA-QI(Computing Center, Acadcmla Sinica, Beijing 100080)ZHANG SHU-LUN(Bureau of Geophysical Prospecting, Zhuozhou 072750)  
The wavefield transform DART is discussed, which transforms the prestack wavefield satisfying the double square-root equation to that satisfying the single square-root equation. The latter can be properly processed by conventional normal-moveout and common-midpoint stacking. The transform presented in this paper removes the dip-affection and is indeed a method of DMO. This transform, like the Stolt method in migration, can be easily performed by FFT and supplemented interpolation.
【Fund】: 国家自然科学基金
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