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- MathematicaI geophone (MG) and equal-time stacking (ETS) principles are used to implement seismic prestack forward modeling with irregular surfaces using the oneway acoustic wave-equation. 作者基于数学检波器和等时叠加原理,实现了复杂地表的单程波动方程地震叠前正演模拟。
- In this paper we discuss the difference and relationship between CRP and CRS stacking, NMO/DMO stacking, as well as pre stack depth migration(PreSDM) and CRS stacking in a geometrical viewpoint and on the hypothesis of constant velocity media. 以几何描述的方式 ,在常速介质假设下通过图示定性描述CRP与CRS叠加之间 ,NMO/DMO叠加、叠前深度偏移 (PreSDM )与CRS叠加之间的区别与联系。
- Seismic forward modeling by fast variable step phase-shift interpolation. 快速变步长相移插值法地震正演模拟
- Using forward modelling technique,along with horizontal stacking section,themorphology of Huoerguosi structure is successfully interpreted. 采用模型正演技术,结合水平叠加剖面综合分析,成功地解释了霍尔果斯构造的形态。
- The forward modeling data has higher S/N, which only contains a primary reflection and unregular diffraction. 正演记录只包含一次反射波和不规则点的绕射波,具有很高的信噪比。
- The results are good for the application of the Element-free Galerkin Method in the seismic forward modeling. 合理的节点编号有利于节约数据量和减少运算量;
- The basic principle of forward modeling technique shows that it is essential to do forward modeling well when predicating carbonatite reservoir. 模型正演的基本原理表明,在碳酸盐岩储层预测时做好模型正演工作是十分必要的。
- In this paper, forward modeling technique is applied to pre-stack depth migration to accurately image the front overthrust nappe struct. 文章将地震资料模型正演技术应用到叠前深度偏移,探讨了一种有助于川西龙门山前缘逆掩推覆构造地震资料精确成像技术。
- The reservoir is identified using such approaches as composite seismogram calibration,forward modeling,analysis of seismic properties,and i. 利用合成记录标定、正演模拟、地震属性分析和反演技术对油层进行了判识,效果良好。
- To learn about the amplitude and phase features of GPR reflected wave from frozen soil boundary, forward modeling was also developed. 通过正演模型试验了解了冻土边界的雷达反射波波形、振幅及相位特征;
- How much do all these figures stack up to? 这些数字的总和是多少?
- In order to improve the resolution of crosshole electromagnetic tomography, high precision of forward modeling is necessary. 为提高井间电磁波层析成像的分辨率,正演计算中需保持较高的计算精度。
- The P wave impedance forward modeling technique is a conventional forward method based on reflection coefficient calculation. 波阻抗模型正演技术是一种基于反射系数计算的传统正演技术。
- A pseudo-spectral time domain (PSTD) forward modeling was used to simulate electromagnetic wave propagation between two boreholes. 本文正演计算中采用时间域伪谱(PSTD)法模拟井间电磁波的传播。
- Secondly, established a two-dimensional GPR forward model, and the radar profiles were synthesized using FDTD method. 然后建立了探地雷达二维正演模型,数值求解合成了雷达记录剖面。
- Our firm is stacking up pretty well these days. 我们公司目前情况相当不错。
- Keywords Common shot gather;Pre stack depth migration;Paraxial wave equation;Finite difference;Frequency space domain.; 共炮道集;叠前深度偏移;傍轴近似方程;有限差分;频率-空间域;
- The authors carried out forward modeling on dispersion curves of Rayleigh wave in three-layer media and then analyzed characteristics of dispersion curves. 在前人工作的基础上对三层层状介质的瑞利波频散曲线进行了正演模拟研究,对假定的几组典型模型参数的频散曲线进行了认真分析。
- This paper introduces a processing flow of AVO forward modeling in Promax interactive processing system of 2D seismic data,and presents actual processing results. 文中介绍了 Promax二维地震资料交互处理系统 AVO正演模型的处理流程 ,并给出了实际资料的处理结果。
- In view of characteristics of karst in coal mine underground, it established a specific karst model, and synthesized reverberation profiles by forward modeling. 针对矿井下可能存在的岩溶特征建立了一个具体的岩溶数学模型,并通过正演模拟合成了反射剖面图。