Previous experiments based on macroscopic electromagnetic wave propagation (involving lots of photons) have shown that the optical precursor is the fastest part in the propagation of an optical pulse.
先前基于宏观电磁波(包含大量光子)的实验已经证明，光前驱是光脉冲在传播过程中最快的部分。
The effects of foliage on electromagnetic wave propagation are important in the detection of targets hidden underneath foliage.
研究叶簇对电磁波传播的影响对于雷达穿透叶簇探测隐蔽目标具有重要意义。
The thin layer method (TLM) is a semi-analytical and semi-numerical approach for the analysis of elastic wave propagation in stratified media.
薄层法是分析和模拟弹性波在层状介质中传播的一种半解析半数值方法。
Based on macroscopic equivalent model theories and the microscopic analytical theories, the properties of wave propagation in the polyphase soil-stone mediums are studied.
运用宏观等效与微观分析相结合的手段从理论上研究土—石多相复合介质的波动传播特性。
This paper derives an energy attenuation formula of seismic waves in the wavelet-scale domain from the wavelet theory and seismic wave propagation equation in anelastic medium.
本文从小波理论出发，结合地震波在黏弹性介质中的传播方程，推导出小波尺度域地震波能量衰减公式。
The theory of elastic wave propagation in damaged media was studied.
对弹性波在损伤介质中的传播理论进行研究。
The wave propagation in the warm ionosphere is studied in this paper.
本文研究了波在暖电离层中的传播。
Simulated example illustrates the wave propagation in a dispersion medium.
计算实例可以看出频散介质中波的传播情况。
An investigation is made into the celerity of reservoir flood wave propagation.
本文对水库洪水波传播的波速进行了研究。
Accumulator in front of valve. To reduce the distance of shock wave propagation.
在阀门前设置蓄能器。以减小冲击波传播的距离。
The problem of a TE wave propagation in a three layers slab waveguide is discussed.
本文讨论了在三层平板介质波导中横电波的传播问题。
The finite element method was used to calculate elastic wave propagation in the medium.
本文采用有限元素法计算弹性波在介质中的传播。
These results are necessary for solving the problem of elastic-plastic wave propagation in a bar.
这些结果对于解决杆中弹塑性波传播问题是必需的。
The paper constructed a time depth conversion model of plane wave propagation in two layer medium.
本文构造了一种在二层介质中平面波传播的时—深转换模型。
A time domain boundary element model (BEM) is presented for wave propagation problems in layered media.
建立了研究层状介质波动问题的时域边界元计算模型。
The basic principle of the path integral formulation for scalar wave propagation in random media is described.
本文叙述了随机介质中标量波传播的路积分解的基本依据。
It is found that the stiffness and damping factor of coatings greatly influence the wave propagation and power flow.
分析结果表明阻尼层的刚度和损耗因子极大地影响圆柱壳中的波传播和功率流。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
利用应力波传播理论探讨了桩基质量检测问题。
In this paper, the elastic wave propagation in honeycomb materials is investigated based on the dispersion relations.
通过研究蜂窝材料的弹性波频散关系，分析了其弹性波传播特性。
The angular spectrum method of plane electromagnetic wave propagation gives another explanation for wave propagation.
平面电磁波传播的角谱法，提供了波的传播过程的另一种解释。
A new numerical simulation algorithm is presented for the elastic wave propagation in heterogeneous anisotropic media.
提出了一种非均匀各向异性介质中弹性波传播的数值模拟算法。
Through analysis of the calculation results, the property of wave propagation in the Yellow River region is discussed.
通过对计算结果的分析，讨论了黄河口五号桩地区的波浪传播特性。
Sympleetic Geometrical Theory is a kind of high-frequency asymptotic method of solving electromagnetic wave propagation.
辛几何理论是一种求解电磁场波动方程的高频近似法。
The relationships between dynamic contact force and indentation are derived in the case of longitudinal wave propagation.
在仅考虑纵波传播的情况下，寻出了撞击力-压入位移关系。
The numerical method for resolving the wave propagation and absorption of the electron cyclotron resonance(ECR) is proposed.
介绍了电子回旋共振（ECR）波的传播与吸收的数值求解方法。
These facts show that the finite models can not represent the wave propagation characteristics in the infinite domain foundations.
说明在弹性介质情况下，有限模型不能反映无限域中的波动特性。
Finally, it is pointed that physical interpretation based on the theory of spherical wave propagation is of more practical meaning.
最后，通过分析比较，指出基于球面波传播原理的物理解释更符合实际。
The coherence bandwidth of shortwave channel is calculated by using the density profile and wave propagation features in ionosphere.
从该电子密度模式和电离层波传播特性出发确定多径分量，计算短波信道相干带宽。
The coherence bandwidth of shortwave channel is calculated by using the density profile and wave propagation features in ionosphere.
从该电子密度模式和电离层波传播特性出发确定多径分量，计算短波信道相干带宽。
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