查询词典 inversion problem

The model based inversion methods are discussed in detail and the Monte Carlo technique, genetic algorithm and simulated annealing method are introduced in the inversion computation theories on the geodetic deformation analysis and geodynamical interpretation.

结合最优化理论讨论了基于模型的几种反演解算方法。首次将蒙特卡罗法、模拟退火算法以及遗传算法等全局最优化算法引入到大地测量形变分析和解释的反演解算理论中。

In the paper,the method of elastic impendence inversion is introduced in detail and used in the inversion and explanation of...

本文详细叙述了弹性波阻抗反演的方法，并将其应用于稠油热采地震资料的反演和解释中，结果表明弹性波阻抗反演用于稠油热采地震监测是切实可行的。

High resolution joint inversion of seismic data and well logging is an effective method to predict the thin interbedded reservoir in the exploration and development of eastern oil field in China. However, the combination of high frequency logging data with relative low frequency seismic data for establishing a stratified geologicmodel well matching the seismic data is the foundation for obtaining good inversion result.

在我国东部油田的勘探开发中，井震联合高分辨率反演是薄互层储层预测的有效方法，将高频测井资料和相对低频的地震资料有机地结合起来，得到与地震资料吻合程度高的层状地质模型是获得好的反演结果的基础。

Impedance inversion is an important method in processing seismic lithologic inversion.

波阻抗反演是进行地震岩性反演的一个重要手段。

The MR protocol involved transverse, coronal, and sagittal noncontiguous T2-weighted single-shot fast spin-echo sequences; transverse fat-suppressed T2-weighted fast SE sequences; transverse T1-weighted gradient-recalled-echo sequences; and transverse and coronal short inversion time inversion-recovery sequences performed through the lower abdomen and pelvis.

MR计划包括于下腹部与骨盆位置执行的，横轴的、冠状的、矢壮轴的非连续T2加权单射快速环绕音波程序；横轴压抑脂肪讯号的T2加权快速SE程序；横轴T1加权梯度回复音波程序；以及横轴、冠状短程反向时间反向回复程序；由2位放射科医师评估MR结果，以及与外科及病理发现、临床追踪数据比较。

Based on Born approximationmethod and the local principles of wave function in inhomogeneous medium and theray theory and the integral equation theory,this dissertation researches the theory andsimulation of the inversion method of large perturbational medium parameters andbreaks through the approximation condition of the small perturbational parametersand the weak scattering in traditional inversion method.

本文在Born近似方法的基础之上，基于非均匀介质中波函数局部理论和射线理论及积分方程等理论方法，对大扰动参数反演方法的理论和数值模拟进行了研究，突破了传统反演方法要求的参数小扰动和弱散射条件。

Then the damped least squares inversion method is designed on the base of the analytical formula of the spheriform structures detection in the whole space. With this method, the inversion for multi-group spheriform water-bearing structures models is done.

另外，探讨了其他形状的有限体积的含水构造超前探测异常规律，提出了&等效球体&的概念，亦在全空间球体含水构造超前探测解析公式的基础上设计了快速反演方法。

The main work of this dissertation is as follow:Based on understanding teleseismic waveform utilization, history of receiver function development, extract receiver function, receiver function inversion and stack, debug the receiver function extract and inversion routine.

同时日本海俯冲带是世界上最古老的俯冲带之一，是研究俯冲带的俯冲对大陆构造运动的影响，俯冲板块与地幔的相互作用，特别是俯冲板块对地幔间断面形态的影响以及俯冲带是否穿过660km间断面等问题的最佳场所。

The method comprises the following steps of: preparing and scraping polymer casting solution on the surface of clutch gold; conducting humidification treatment on the polymer casting solution by a humidifier or conducting phase inversion in non-solvent until phase inversion occurs in the polymer casting solution and micro porous membrane is formed; making use of the electrodeposition technology to allow tin or tutania to deposit on the surface of the clutch gold; conducting thermal treatment on the clutch gold with the protection of idle gas to obtain a Li-ion battery composite cathode electrode tab.

该方法包括如下步骤：配制聚合物铸膜液，并将聚合物铸膜液刮涂在铜箔表面；利用加湿器对铜箔上的聚合物铸膜液进行加湿处理，或在非溶剂中进行聚合物的相转化，直到聚合物铸膜液发生相转移形成微孔膜；通过电沉积工艺，使锡或锡合金通过微孔膜膜孔沉积在铜箔表面；铜箔在惰性气体的保护下进行热处理，得到锂离子电池复合物负极电极片。

And the results showed that the model constrained iteration inversion methods can get more veliable water contents and distribution from the indued volotage of surface NMR, and these results can be inverted by model constrained inversion from an initial homogeneous water content model.

对无噪音数据，平坦模型和光滑模型约束对反演的含水量分布影响不大；但当数据存在一定的噪音时，平坦模型约束将比光滑模型约束获得更为精确的含水层参数。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。