查询词典 progressive wave

In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium.

本文基於傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。

Based on these studies, the design and realization of software and hardware for monitoring ACD and liquid metal wave are investigated in detail, and the three reasons of liquid metal wave are given.

在此基础上，对极距和铝液波动的在线监测系统的软硬件组成及系统的应用进行了深入地研究，并提出了铝液波动的三种原因。

In Chapter 2, basic theories of acoustic wave and electromagnetic wave are reviewed.

本文从理论分析和实验研究两个方面，讨论了电磁散射特性的声波模拟测量方法。

One such type of wave is an ultrasonic, or acoustic, wave.

这样一个类型的波是一种超声波，或声，海浪。

From the elastic property of solid and wave equation, the surface acoustic wave has been introduced.

摘要从固体的弹性性质和波动方程出发，阐述了声表面波的基本性质。

The various modeling request of the biology tissue come down to the elastic wave and acoustic wave questions.

生物组织的不同建模要求涉及到弹性波和声波问题。

An audio wave is a one-dimensional acoustic wave.

声波是一维的声学''。

In Chapter 4 windowed function of data signal processing is introduced and applied to addition theorem, which succeeds in solving the difficult problem: it has a bad result when recursive T-matrix is applied to calculate the wave scattering of electrically large objects and multiple objects in the excitation of TE wave.

在第四章中引入数字信号处理中的窗函数，成功解决了在入射波为TE波时，用递推T矩阵法计算电大尺寸物体或多个散射体时，精度不高的问题。

Based on two-dimensional elastic wave equation and adopts the well logs as constraint condition, a new imaging method of crosswell seismic data-elastic wave equation inversion and imaging with the well logs constraint is given by using adjoint theory of distribution-parameter control system.

基于二维弹性波动方程，利用分布参数控制系统的伴随理论，采用测井资料作为约束条件，本文给出了一种井间地震资料速度成像的新方法——井间测井约束弹性波动方程反演成像。

I do not want the sentimental man, my tear already the afflux became the sea, why did you also have to push the wave to help the wave?

我不要多愁善感的男人，我的眼泪已经汇流成海，你为什么还要推波助浪？

The second is to cut a mere 100 calories from your diet , which is the equivalent of a tablespoon of butter.

第二个就是从你的饮食中减少一百卡路里，只是相当于一大汤匙的黄油。

This is where the Rorschach test comes in.

现在，罗氏测试就出现了。