查询词典 wave propagation

Based on the theory of rayleigh wave propagation in layer medium,the variation of wave velocity can reflect the variation of rock and soil mechanical property.

根据瑞雷面波在层状介质中的传播理论，波速的变化可以反映出岩土力学性质的变化。

The diffusion wave equation used to represent flood wave propagation in waterways is based on continuity equation and the mome...

Ponce证明天然河道中洪水波，在一定条件下属于扩散波也有20余年历史。

The plane wave spectrum and physical optics are combined to analyze the EM wave propagation in arbitrary cavity.

利用电磁波的平面波谱展开特性，结合物理光学分析了电磁波在腔体内的传播。

In order to imitate the unbounded space wave propagation,the non local boundary condition is used as the absorption boundary condition to cut off the computation domain,and the problems of plane wave incidence at different angles are calculated with the high order PE algorithm.

文章通过引入Padé逼近构造高阶抛物线方程算法，用非局部边界条件作为吸收边界条件，截断计算区域以模拟无界空间波的传播，结合高阶PE算法分别计算不同角度平面波的入射问题。

The first one is caused by electromagnetic wave refraction phenomena at air-soilinterface and the second one is caused by spherical wave propagation loss andtransmission loss.

前者主要是由于电磁波在媒质表面产生的折射效应造成的，后者主要是电磁波在传播过程中的衰减造成的，包括球面波传播损耗、媒质表面的反射损耗和有耗媒质媒质对电磁波的衰减效应。

High-quality antral slow-wave recordings were achieved in the intraoperative human trial (amplitude, 0.41 +/- 0.04 mV; SNR, 12.6 dB), and an activation map was constructed showing normal aboral slow-wave propagation at a velocity of 6.3 +/- 0.9 mm/s.

在腹腔镜胆囊切除术中测量试验中，我们获得了高质量的胃窦部慢波电位记录结果（振幅0.41±0.04mV，SNR 12.6分贝），并且显示出正常慢波的离口传播速度为6.3±0.9mm/s。

Based on the Berkhoff elliptic mild slope equation and a series of boundary conditions, the model is used to effectively simulate irregular bathymetry and different frequency wave propagation so that a preconditioning program which can obtain optimal meshes in terms of different bathymetry and wave length is developed in this paper.

以Berkhoff提出的椭圆型缓坡方程为控制方程和一系列边界条件为基础，对地形变化的区域和频率不同的多向不规则波进行计算。

In this dissertation, the wave propagation characters in a helix type slow wave structure filled with plasma immersed in finitely strong confining magnetic field is systematically studied.

本文系统的研究了在有外加恒定有限磁场条件下填充等离子体的螺旋线慢波系统中电磁波的传播特性，主要内容如下：1。

To illustrate the feasibility of our parallel algorithm, the two examples for pseudospectral modeling of seismic wave are given: 2D acoustic and 3D elastic anisotropy modeling of wave propagation.

为了检验我们的并行算法的可行性，文中以傅利叶正演模拟技术为例，给出了声波和3D各向异性弹性波模拟的例子，并对不同版本运算效率进行了比较，证实了方法的有效性。

Wave propagation in a micropolar medium is more complicated than in a linear elastic medium, with two coupled wave equations.

在微极介质中波的传播路径要符合两个耦合波方程，这比在线弹性介质中复杂得多。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。