migration stack 中文意思是什麼

migration stack 解釋
偏移疊加
  • 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。
  • stack : n 1 （麥桿等的）堆，垛；乾草堆。2 積材，層積，堆積；〈英國〉一堆〈木材等的計量單位，＝108立方英尺...
  1. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜，逆掩推覆構造帶構造形變強烈，構造幅度大，地層傾角陡，斷塊發育，地震波場復雜，速度橫向變化大，常規疊后時間偏移處理成像效果較差。
  2. Three - pass 3 - d pre - stack migration by radon projection

    三步法三維疊前拉東投影偏移
  3. The paper, by the real seismic data high fidelity processing with post - stack high precision migration arithmetic and true amplitude in tahe oil filed, summed up a set of post - stack seismic data high fidelity amplitude processing technology to adapt the area reservoir prediction

    筆者從塔河油田地震資料高保真處理實踐中，總結出了一套適應該區碳酸鹽巖儲層預測要求的以疊后高精度偏移演算法和振幅保持處理為主的疊后高保真處理技術，取得顯著的效果。
  4. A hybrid migration method, named " fourier finite - difference migration ", is a post - stack depth migration scheme. the downward extrapolation operator is split into three operators : one operator is a phase - shift operator for a chosen constant background velocity, another operator is the well - known first - order correction term, and the third operator is a finite - difference operator for the varying of the velocity function. phase - shift downward extrapolation and finite - difference downward extrapolation preserves the advantage of phase - shift method and finite - difference method

    傅立葉有限差分（簡稱ffd ）偏移演算法是一種疊后深度偏移演算法，其向下延拓運算元是一種混合運算元，包括三項：一項是處理常速的相移運算元，一項是一階相移修正運算元，最後一項是類似45度方程的有限差分運算元，用來處理劇烈橫向變速。
  5. Geological model is set up by using seismic data interpretation result to perform ray - trace forward modeling analysis, and to guide the establishment of initial velocity model of pre - stack depth migration, thus reaching the purpose of precise image of complex structure under complex surface

    利用已有地震資料解釋成果，建立地質模型進行射線追蹤正演模擬分析，從而指導疊前深度偏移初始速度模型的建立，達到了復雜地表下復雜構造精確成像的目的。
  6. Undulate acquisition surface is one of the main properties of the seismic datasets from western china. based on the synthetic source record migration method and wave stack principle, a method of migrating directly from the undulate surface is presented and tested

    結合我國西部地震資料的特點，針對起伏地表情況下的地震數據成像問題，提出了與合成震源記錄偏移方法相應的成像方法以及基於共聚焦點技術的基準面向上校正方法。
  7. A synthetic example shows that the proposed migration velocity analysis method can determine accurately the distribution of permittivity and that stack migration profile fits the true model

    合成雷達記錄的偏移速度分析和偏移疊加結果表明，全局最優化偏移速度分析有較高的精度，偏移疊加剖面與實際構造一致。
  8. This paper reviewed the theory, development and applications of 3 typical velocity analysis technologies, stack velocity analysis, migration velocity analysis and tomographic inversion

    主要對疊加速度分析、偏移速度分析和速度層析反演三大類典型的速度分析方法的基本原理、發展及應用條件等作簡要的回顧與介紹。
  9. Then, software about velocity analysis, stack and migration are studied and analyzed basing on the characteristics of the hydrate

    其次，我們還針對天然氣水合物的特性，研究並分析了資料處理過程中的速度分析、疊加處理、和偏移處理軟體。
  10. With the application of pre - stack migration technique in zhongyuan oilfield, final results prove the effectiveness of this technique

    通過疊前偏移技術在中原油田的應用，結果表明了該技術的有效性。
  11. It has been proved that application of forward model to pre - stack depth migration image is very helpful to improving image quality of seismic data processing

    事實證明，這種將模型正演應用於疊前深度偏移處理成像的方法對于提高地震資料處理的成像質量具有非常重要的作用。
  12. Aiming at the characteristics of seismic data from complex fault blocks in zhongyuan oilfield, the selection of key parameters in pre - stack migration and migration approaches were meticulously studied

    針對中原復雜斷塊區地震資料的特點，對速度場的建立、疊前偏移中關鍵參數的選取以及偏移方法展開了深入細致的研究。
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