post-stack 中文意思是什麼
post-stack
解釋
疊后-
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。 -
The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on
主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。 -
Applied seismic forward modeling part : accurate interpretation of the donghe sandstone pinchout by post - stack seismic forward modeling
用疊后地震正演模擬方法精確解釋東河砂巖尖滅點 -
In the paper, the situation and method of scheduling problem studied of automated warehouse are surveyed completely. the problems of automate guide vehicle transport and stack crane picking order are analyzed deeply in parcel post automated warehouse, basic mathematic model of scheduling is set up
通過對郵包自動化倉庫系統中的自動導引小車運輸問題和巷道堆垛機的揀選順序認真地分析，建立起了調度的基本數學模型，提出了用總的空載時間作為目標函數，並且把這兩類問題都歸結為求解旅行商問題。 -
To overcome the problem in synthetically analyzing various post - stack seismic attributes, a new integrated analysis method is developed
摘要利用常規疊后地震資料提取的地震屬性很多，在進行屬性綜合分析時會遇到很多問題，為此，提出了一種疊后地震屬性綜合分析方法。 -
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。 -
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。 -
The research contents include the foundational research on petrophysics, the feasibility of 4 - d seismic in water driven reservoir, pre - stack and post - stack 4 - d seismic data processing, static reservoir description, 4 - d seismic interpretation and dynamic reservoir description
研究內容涉及巖石物理基礎理論、水驅四維地震可行性分析、迭前和迭后四維地震資料。處理、靜態油藏描述和四維地震資料解釋與動態油藏描述等，取得了許多重要的研究成果。 -
Finally, using the static reservoir description as the basis, pre - stack and post - stack 4 - d seismic data processing result as the constraint, the 4 - d seismic feasibility study as the evidence, began basic dynamic reservoir description in order to analyz
最後，以地震靜態油藏描述為基礎，以迭前和迭后四維地震資料處理結果為約束，以四維地震可行性研究結論為依據，進行初步的油藏動態描述，主要分析注水前沿的推進過程。 -
Fourthly, summarized the methods and the principals for pre - stack and post - stack 4 - d seismic data processing ; proposed the criteria for seismic data process ; built a set of processing flow. through the real data processing ( 029 fault block ), obtained reasonable results. the processed result was approved by the further production well
第四，總結了迭前、迭后四維地震資料處理的方法與原理，針對高29斷塊的實際資料，提出了處理準則，建立了處理流程，獲得了良好的處理效果，並得到開發開發調整井的證實。 -
Improvement of resolution for post - stack ground seismic data with vsp
提高疊后地面地震資料解析度 -
Since this mehod is applied in the post - stack stage and the recognization of the multiple is subjective, so the application of this method should be made very carefully
本方法不僅對一般海底復反射的摘除有效，對于剖面上其他多餘能量亦能有效地加以去除，但由於摘取之過程是在重合后之剖面進行，且復反射之選取亦較為主觀，所以在應用本方法時必須十分小心謹慎。
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