forward modeling 中文意思是什麼

forward modeling 解釋
正演摸擬
  • forward : adv 1 向前,前進 (opp backward)。2 【航海】在船頭,向船頭(opp aft)。3 今後,將來。4 出來,出...
  • modeling : n. 製造模型的方法,造型(術);塑像術;【美術】立體感(表現法);模特兒職業。 the modeling of one's features 某人臉部的形象。
  1. The forward modeling of mudstone fracture

    泥巖裂隙的正演模擬方法研究
  2. Viscoelastic wave equation forward modeling and migration

    粘彈性波動方程正演和偏移
  3. This paper investigated the geological and geophysical meanings of fractals of aeromagnetic anomalies based on forward modeling on erect magnetized rectangular column model

    摘要通過對垂直磁化直立矩形柱體模型的理論分析和推導,建立了模型並進行了正演模擬計算,分析了磁異常分形的地質地球物理意義。
  4. Poisson ' s ratio inversion based on avo forward modeling

    正演模擬的泊松比反演
  5. By use of the 3 - d display tool, we can combinate the different results of forward modeling and inverse ( mainly include surface data, vsp data and snapshot record ), and display them in different direction, then we can compare them very efficiently

    有了三維顯示工具,聲波與彈性波正反演的各類數據結果(主要包括地面數據、 vsp數據與時間快照)就能夠在三維框架上進行方便的組合顯示,這樣就能有效方便的查看和比較結果。
  6. Geologic structure modeling is one of the main aim of seismic forward modeling and inversion method, while most of the current modeling systems could not meet the needs of the scientific research and product practices. the geological model input is very complex and very clumsy, so it is high time we solved it by new model description methods and new model input techniques

    構造地質模型的建立是地震正演模擬和反演技術的主要目的之一,但目前已有的很多系統尚不能滿足科研與生產的實際需要,構造模型的建立尤其是輸入工作還是非常繁瑣、復雜,缺乏比較先進、實用的模型描述手段和模型輸入技術。
  7. It can be used to create the model data file for the seismic forward modeling semi - automatically. thus, the two primary difficult problems of low efficiency and accuracy have been solved very well. 2. graphic and digital image processing technique are introduced into geological modeling, and some kinds of arithmetic are presented, based on which fast model input for ray tracing and wave equation forward modeling have been both achieved

    首次建立了獨立於大型地震勘探專業軟體的開放式構造地質模型輸入系統,開發了針對于射線層狀結構模型和網格化波動方程模型的輸入軟體,大大地簡化了模型輸入的過程,極大地提高了構造地質模型的輸入效率,解決了以往模型輸入精度和效率不高的兩大難題。
  8. The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation

    研製的井間地震正演合成記錄的程序,可用來對不同速度、不同傾角的地質模型,通過最小旅行時的射線追蹤或四階差分聲波波動方程,計算出對于給定震源和給定檢波點的井間地震合成記錄。
  9. The forward modeling of thin interbed and its application

    薄互層正演模擬分析及其應用
  10. Forward modeling of two - phase anisotropic media

    雙相各向異性介質正演研究
  11. Forward modeling and analysis for the model of thin sand - mud interbed lens

    泥巖互層透鏡體模型正演及分析
  12. Forward modeling on delayed blast in the desert area of junggar basin

    準噶爾盆地沙漠區延遲爆炸激發正演模擬分析
  13. The dissertation focuses on seismic wavefield forward modeling and migration for the fractured reservoir. the paper integrates and researches the wavefield extrapolation operator for lateral variation of velocity, analysis of the wavefield characteristic, forward modeling and depth migration of prestack and poststack seismic wavefield, creation of wavelet, design of the model with fracture and cavity, and computation of reflectivity

    本文圍繞縫洞儲層地震波場正演與偏移問題,對橫向變速波場延拓運算元;疊前與疊后正演模擬;疊前與疊后深度偏移;子波的生成;縫洞模型的設計、反射系數的求取、正演、偏移及其波場特徵分析進行了一體化研究。
  14. In term of analyzing and summarizing the existing achievement, propose an advanced and practical wavefield extrapolation operator and arithmetic of forward modeling and migration, which obtain numerical simulation and analysis completely and systemically and exploited new field of fractured reservoir seismic wavefield numerical simulation and applicationin in frequency - wavenumber domain

    在總結、分析前人研究成果的基礎上,提出了具有前瞻性和實用性的波場延拓運算元與正演、偏移演算法,較系統全面地進行了數值計算與分析,開辟了頻率?波數域縫洞儲層地震波場數值模擬與應用的新領域。
  15. 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。
  16. This conversion is based on the analytic expression of sonic and elastic wave equation, and use the different wave field extrapolation, which is initially used in seismic migration and forward modeling. this paper introduces the easy and efficient finite - difference method to realize the conversion by comparing three different methods

    論文經過對三種常規波場延拓方法( kirchhoff積分法、頻率波數域法和有限差分法)優缺點的比較,採用了簡單易用的有限差分方法來實現這種轉換。
  17. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題,研究了適用於橫向變速波場延拓運算元,建立了四個理論的縫洞模型和七個實際的縫洞模型,在總結、分析前人的研究成果的基礎上,利用適合橫向速度劇烈變化的相移加插值的波場延拓運算元,在頻率?波數域對上述的地質模型進行正演、偏移處理,最後得到了縫洞儲層地震波場的一些特徵。
  18. Application of forward modeling technique in predicting sandbodies in west sichuan

    模型正演技術在川西地區砂體預測中的應用研究
  19. 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
  20. The study shows that limited difference forward method has higher precision and computing speed in geo - electrical forward modeling

    研究表明,利用有限差分數值方法進行復雜地電模型的正演計算,計算速度快,計算結果精度較高。
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