查询词典 Walden inversion

It＇s difficult to deal with seismic acoustic forward modeling and seismic inversion for the absence of shear wave data usually.

在测井资料中，通常缺乏的就是横波资料，这给地震波正演模拟和地震反演都带来很大的困难。

Deconvolution and inversion of receiver function is a basic problem for receiver function study.

接收函数的提取和反演是接收函数研究的核心问题。

Compared with traditional inversion methods, seismic tomography can offer more and detailed information about subsurface and has been being paid attention by more and more geophysicists.

它因能比传统反演方法提供更丰富、详细的地学信息而受到越来越多的地球物理学家的关注。反演以正演模拟为基础。

On the basis of existing research results, we develop a model construction method based on common gridded model with random resistivity and velocity distributions to meet the needs of joint inversion and the complicated model with large variations of physical properties.

在已有研究成果的基础上，为了适应物性参数剧烈变化的复杂模型并满足联合反演的要求，开发了速度和电阻率随机分布共网格单元模型的建模技术。

If you do not have a real Tippe Top, the samme inversion effect can be achieved by spinning a hardboiled egg, an american football, or a round smooth stone.

如果您没有陀螺，可以参考煮熟的鸡蛋，美式橄榄球，或圆形的椭圆形的石头。

The algorithm takes advantages of wavelet analysis and homotopy inversion method. It shows high capability of global search.

算法结合小波反演和同伦反演的优点，数值结果表明其具有较强的全局搜索能力。

First, widely convergent homotopy method is applied to the inversion process of operator identification.

首先，将大范围收敛的同伦方法引入到了算子参数识别反演过程，给出了同伦反演方法的一般形式。

Homotopy nonlinear inversion algorithm has been widely used, it is anti-non-linear homotopy algorithms, one of the important references.

详细说明：非线性同伦反演算法已得到了广泛应用，这是非线性同伦反演算法重要参考文献之一。

Chapter 4 introduces the multi-parameter homotopy inversion of complex mechatronical product which is evolutively drived by behavior performance.

第4章主要研究了行为性能知识以演化驱动的方式完成复杂机电产品的多参数同伦反演。

Homotopy nonlinear inversion algorithm has been widely used, it is non-linear homotopy algorithms important reference anti-ter.

详细说明：非线性同伦反演算法已得到了广泛应用，这是非线性同伦反演算法重要参考文献之三。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。