反演问题

Genetic algorithm can cope with uncertainty inversion problem pretty well if we take full advantage of prior knowledge.

在宽松的先验知识条件下，该方法可以解决不确定性反演问题。

In Chapter 2,we improve the Differential Evolution algorithm developed rapidly in recent years,and apply it to study the multi-exponential inversion problem in nuclear magnetic resonance.

第二章改进了近年发展起来的差分进化算法，研究核磁共振T_2谱多指数反演问题。

Introduced the very development present condition of contents of the medicine dynamics research in brief, induce a differential equation inversion problem to lift the method finally.

简单的介绍了药物动力学研究的内容极其发展现状，最后归纳出微分方程反演问题的提法。

This is an inversion research of the fault parameters.

本文研究断层参数的反演问题。

In both non-invasive and invasive noncontact approaches, the epicardial activation wave distribution is obtained by solving the inverse problem.

在非侵入性的方法，以及外来非心外膜活化波分布的反演问题得到解决。

This article studies solution of the first kind of operator equation and makes theoretical analysis and algorithm in detail.

讨论了地球物理反演问题中的第一类算子方程的解法，基于Tikhonov正则化思想，给出了详细的理论分析和算法描述。

The essential of studying the forward and inverse problems of converted wave with the use of convolution model is to deduce recursion formula of the reflection coefficient.

利用褶积模型研究转换波正、反演问题的关键是建立转换反射系数递推公式。

Next,the inversion method of large perturbational parameters in elastic mediumis studied.

其次，对弹性介质中的大扰动参数反演问题进行了研究。

Firstly, the inversion of the ground motion with the unknown parameters and limited measurements was studied by the substructural identification, and the least-square algorithm of unknown input was built. Secondly, based on the estimated input, structural parameter down to the element level was identified in time domain by extended Kalman filter algorithm. Several cases of a 6-story frame structure are numerically investigated.

首先，使用子结构识别技术，研究了未知参数、观测不完整条件下的地震动输入反演问题，建立了未知输入的最小二乘估计算法；其次，在估计地震动输入的基础上，使用广义Kalman滤波器方法，识别全部单元结构参数。

It is very important in improving the accuracy of demarcating the reservoir boundaries.

它对提高井中垂直双极源圈定储层范围的精度有着非常重要的意义，同时也为井中垂直双极源三维反演问题奠定了基础。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。