common-shot-migration 中文意思是什麼

common-shot-migration 解釋
共炮點偏移
  • common : adj 1 共通的,共同的,共有的。2 公眾的;公共的。3 普通的,通常的,尋常的,平常的。4 平凡的,通俗...
  • shot : adj 1 打[發射]出去的;被射中的;發了芽的。2 〈美俚〉壞得不能再使用的;註定要失敗的。3 【紡織;印...
  • migration : n. 1. 移住,遷移;移動;徙動。2. (鳥)移棲,遷徙;(魚)洄遊;(植物)侵移。3. 移住者群,移棲群。4. 【化、物】原子移動;電離子的移動。
  1. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三,將頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元( vrselrf )應用於疊前與疊后正演模擬、疊前與疊后深度偏移,對演算法應用中應注意的問題、適用范圍、性能等作了較為全面的論述;提出了基於vrselrf的單程聲波方程共炮記錄正演模擬和深度偏移快速演算法,並通過數值模擬試驗對演算法進行了驗證;簡要地討論了倏逝波的產生原因及其帶來的橫向振幅不連續性問題。
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