查询词典 wave propagation

The result shows that the speed of wave won't be a certain value when it is affected by various factors in its propagation,so the traditional re-display method can't provide reliable data.

但随着建筑物对基础的要求越来越高，大直径桩在工程实践中的应用也越来越多，利用传统的低应变测试和分析方法

The discussion on the formation mechanism of the global general circulation anomalies reveals that it is the propagation of two-dimensional Rossby wave train and the internal atmospheric dynamic process due to external forcing that mainly cause the summer general circulation anomalies.

对全球大气环流异常形成机制的讨论表明二维Rossby波列的传播及外强迫引起的大气内部动力学过程是夏季大气环流异常产生的主要原因。

In the context of a system of barotropic shallow-water equations and Boussinesq approximate equations for two-dimensional meso-scale transversal wave disturbance in zonally sheared base flow, study is performed of the physical process of the meso disturbance propagation along the flow, indicating that such vortex Rossby waves are separated into two kinds. The first kind VRW is produced owing to the second-order horizontal shear in the flow or due to the meridional change in vertical vorticity of the flow, i.

本文使用正压浅水方程组以及纬向切变基流下二维中尺度横波型扰动的Boussinesq近似方程组，分析了这种沿着基本气流方向传播的中尺度扰动的波动传播物理过程。

This paper investigated the true propagation paths of acoustic wave in two-dimensional temperature gradient field-single peaked symmetry and deflective respectively, using the two- dimensional acoustic ray tracing method of forward deploying triangle. Besides, a simulating calculation and analysis of this acoustic ray tracing algorithm in model temperature was given.

该文使用二维空间中的三角形前向展开方法，对二维温度梯度场中的声线轨迹进行追踪，并分别在具体的单峰对称温度场和单峰偏斜温度场模型中，对该声线追踪算法进行了仿真计算和分析。

In this paper, based on the propagation characteristic of sound wave in pulsed electroacoustic method and temperature dependence of polyethylene properties, the effect of temperature gradient on space charge measurement is analyzed and the space charge waveform is recovered.

本文基于电声脉冲测量方法中声波的传播特性和温度对聚乙烯材料特性的影响，分析了温度梯度场对空间电荷测量结果的影响并进行了波形恢复。

The propagation of light through the modulator is studied in detail using wave coupling theory of linear electrooptic effect.

采用线性电光效应耦合波理论对光在调制器中的传播行为进行详细的研究，经过理论计算，发现光通过调制器后，出射的调制光强不依赖于入射光的偏振状态。

Guided-mode propagation analysis ignore the impact of radiation and consider enterable field as linear combination of all Guided-mode,can calculate the location of pixels in wave-guide mode.

导模传输分析法不考虑辐射模的影响，把输入场看成所有导模的线性组合，可计算出波导像点的位置。

In this article we only analyze and report the precursor wave from the epicentral area, especially the characteristics of its propagation.

本文将主要分析报道来自震源区的这种前兆波，特别是其传播特性。

The result shows that the propagation velocity of the T-S wave is approximately equal to the real part of dω/dα and expands the result of Gaster.

结果表明，T-S波的传播速度近似与dω/dα的实部相等，扩展了Gaster的结论，并对能流速度与dω/dα的实部不相等的原因给予解释。

As a qualitative analysis,finite element method gets a more satisfactory result in describing the propagation of the long wave of open channel unconstant flow.

作为一种定性分析，有限单元法对描述明渠非恒定流长波的传播给出了满意的结果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。