以不同的波矢对谱函数给出不同的激发态模式。
Different excited state model of the spectral functions are given for different wave vectors.
本文介绍这种器件波矢图的选择，设计方法和实验情况。
The method to selecting the wave vector diagram, the designing consideration and experimental results of the device are presented in the paper.
结果表明，扰动波矢轴向分量的存在引起新的不稳定性。
Our results indicate that the axial component of wavevector of perturbation can lead to a new instability.
通过波矢空间等频线的方法来分析声子晶体中声波的传播。
The propagation of acoustic waves in sonic crystals is analyzed by means of acoustic equi-frequency surfaces.
因此本文讨论了四维波矢变换的物理意义并给出它们的关系。
Thus this paper discusses the physical meaning of the 4-wave vector transformation and gives their relation.
数值计算表明：在有限波矢情形，交换效应的修正是重要的。
Numerical calculations show that corrections over random phase approximation due to exchange effects are substantial at finite wave numbers.
我们发现反射系数在波矢时，反射率与波矢在时呈线性关系。
We find that reflection probabilities and reflectivity is linear to when wave vector.
本文讨论了这类非互易旋光张量下的波矢面及简正模的基本形式。
This paper discussed the basic form of the wave-vector surface and normal mode of nonreciprocal gyrotropic dielectric tensor.
其色散关系与波矢方向有关，与各向同性的电介质的色散关系相似。
The dispersion is related to the wave vector and similar to the dispersion relation of the isotropic dielectric.
利用四维波矢变换可以严格推导狭义相对论多普勒效应的计算公式。
The relativistic Doppler effect for light waves is formulated exactly by 4-vector transformation.
但四维波矢变换中涉及两个光波，两个光波之间的关系非常容易混淆。
There are two light waves in the 4-vector transformation. The relation of two light waves is easy confusion.
基于双轴晶体折射时满足的波矢关系，导出了两折射光波相位差的精确计算公式。
Based on the relationship of wave vectors on crystal interface, accurate formulas calculating phase difference between two refracted waves are deduced.
基于BBGKY方程，采用二阶扰动理论探索了可观物理量与扰动波矢的相互关系。
The relationship between physically observable quantities and perturbed wave vector is explored on the basis of BBGKY hierarchy equations and the second order perturbation theory.
分别给出了理想表面和驰豫表面的投影带结构和波矢分辨的层态密度，并进行了较详细的讨论。
We have obtained surface projected band structure and wave vector resolved surface layer densities of states.
在小的轴向拉伸下，扶手椅型碳纳米管仍然是良好的导体，但其费米波矢、费米点及费米面处的有效质量都发生了变化。
It is found that under little axial strain, armchair carbon nanotubes are still conductors, but Fermi wave vector, Fermi dot and the effective mass near Fermi face are changed.
应用此模型，并结合分层介质中的并矢格林函数，分析了贴片天线的辐射阻抗、空间波辐射效率等特性。
Using this model and the relevant dyadic Green's function, some characteristics of a rectangular patch antenna near resonance, such as radiation resistance and space wave efficiency, are analysed.
反映在三分量记录上，在没有噪音的单一信号情况下，线性极化波的矢端分布应该是一条直线。
From 3-component record one can see in noise-free single signal circumstances, the hodograph distribution of linear polarization wave should present itself as a straight line.
反映在三分量记录上，在没有噪音的单一信号情况下，线性极化波的矢端分布应该是一条直线。
From 3-component record one can see in noise-free single signal circumstances, the hodograph distribution of linear polarization wave should present itself as a straight line.
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