本文报导了负胶-玻璃复合平面光波导传播特性的实验研究。
The experimental studies on the propagation characteristics of modes in the photoresist-glass planar optical waveguides are reported.
大气波导传播是一种与特殊的气象条件相关的反常传播现象。
Atmospheric duct propagation is an anomalous propagation phenomena associated with specific weather conditions.
测量并归纳了负胶介质薄层对银离子交换玻璃平面波导传播特性影响的实验趋势。
The effects of the photoresist film overlays on the propagation of modes in glass planar optical waveguides by silver-ion exchange are measured.
本文得到了在波导传播中的无方向性点源的平均声压、平均强度和声信号振幅的起伏率。
The mean pressure, mean intensity, and the coefficient of variation of amplitude of the signal propagated in wave-guide were obtained in this paper.
本文引入一种研究扩散光波导传播特性及设计计算的新方法——等效阶跃平板波导方法。
The equivalent step planar wave guide method is proposed to study the propagation properties and design of diffused planar wave guide.
将由一维波导通过结点组装成的空间结构的振动作为波动研究，波沿波导传播，并在结点处反射、散射。
Vibration of structures assembled from one dimensional waveguides is studied as wave motion in this paper. Waves propagate along the waveguides and reflect, scatter at the junctions.
以蒸发波导为代表的对流层大气波导传播，可使电波在较小的衰减下沿波导传播得很远，从而严重影响合适的无线电系统。
Evaporation ducts, or tropospheric ducts in general, can guide radio waves to distances far beyond the horizon with less attenuation, and then severely impair some certain radio wave system.
建立了扩散平板光波导的等效阶跃平板波导模型，进行了一系列的模拟计算，得出了一系列波导传播参量、结构参量与工艺参量之间的关系曲线。
The model was established, and a set of simulation has been done, and a series of relationship curves among the parameters of wave guide propagation, structure and technics are obtained.
分析了电波的地波绕射传播、视距传播、散射传播和波导传播等四种传播模式，根据ITU - R和GZB建议的模型分别计算了各传播模式的基本传输损耗。
Four propagation models of diffraction, line-of-sight, scatting and duct are analyzed. The basic transmission loss for each of the models is calculated according to the ITU-R model and GZB model.
他们只是想通过在砷化镓晶体上钻一些有着细心安排间距的小孔来制造波导（一种能令光传播到特定方向的结构）。
They wanted to build a waveguide, a structure designed to send light in a particular direction, by drilling carefully spaced holes in a gallium arsenide crystal.
本文讨论了在三层平板介质波导中横电波的传播问题。
The problem of a TE wave propagation in a three layers slab waveguide is discussed.
基于光束传播法，对几种只沿纵向变化的锥形过渡波导的传输特性进行了分析。
The propagation characteristics of several kinds of laterally tapered transitional waveguides are analyzed using the beam propagation method(BPM).
快波和慢波都可以在这种波导中传播。
The fast and slow waves can both propagate in the waveguide system.
给出了公式推导，计算了扩散各向同性及扩散各向异性平面光波导的传播特性，并与其它方法所得结果进行了比较。
By using this method, the characteristics of propagation for diffused planar waveguides are calculated and compared with the finite element method.
海面与海底构成了声源浅海海域波导场的声传播环境。
Sea surface and bottom constituted sound propagation environment of the neritic acoustic duct field.
本文从坐标变换观点出发，给出分析多层介质波导中电磁波传播和散射的一种新的技术。
We present here a new technique for the analysis of the transmission and scattering in multilayer dielectric waveguides from the point of view of coordinate transformation.
大气波导的影响是对流层电磁波传播研究的热点和难点问题之一。
Atmospheric duct is one of the hot-topics and difficult problems in the propagation of electromagnetic waves in troposphere.
为此，本文重点完成了利用三维有限差分束传播法求解条形波导中场分布的计算程序的编写和调试。
So the main work in this dissertation is compiling and debugging the program for solving the field distribution in channel waveguides using three-dimensional finite-difference beam propagation method.
应用时域有限差分（FDTD）方法分析甚低频在地电离层波导中的传播特性。
The propagation characteristic of the VLF in the earth-ionosphere waveguide is analyzed by applying the FDTD method.
大气波导是海上经常出现的现象，会导致电波异常传播。
Atmospheric duct is a common phenomenon over the oceans and conditions of anomalous radio propagation.
本文利用微扰法，导出了克尔型非线性对称平板光波导t E模传播常数的近似计算公式。
A perturbation method has been developed to derive the approximate computing formulae of propagation constants for te modes on Kerr-type nonlinear symmetric slab optical waveguides.
全面分析了磁光薄膜波导中磁化方向对微波静磁波传播模式的影响。
The dependence of propagation modes of microwave magnetostatic waves(MSWs) on the magnetization direction in magnetooptic film waveguides is analyzed comprehensively in the paper.
给出了有限磁场下波在等离子体填充的波纹波导中传播的分析理论。
Analytical theory of wave propagation along a corrugated waveguide filled with Plasmas immersed in a finite axial magnetic field is presented in this peper.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
此外，由一个行星波一平均流耦合模式模拟的结果表明，这个热带风场的变化还可以通过波流相互作用调制行星波沿高纬度波导的传播。
Our results of the wave-mean flow coupled model show that these tropical winds can also modulate the high latitude waveguide significantly in the case of wave-mean flow interaction.
根据这种观点，多层介质波导中波的传播和散射可以归结为多维空间向量的坐标变换，并可用传输线和网络表示。
According to this point of view the transmission and scattering in multilayer dielectric waveguides can be regarded as coordinate transformation of a vector in ann-dimensional vector space.
本文研究了无外加磁场时非均匀等离子体圆柱波导中横电波的传播问题。
The propagation problem of T. E. wave in unmagnetized inhomogeneous plasma-filled cylindrical wave guide is investigated.
本文对周期波导中波传播与振动局部化的分析方法和计算结果可用于结构的优化设计。
The method and results in this paper for solving the problem of wave and vibration mode localization in periodic wave guide can be used in the optimum design of such kind of structure.
本文对周期波导中波传播与振动局部化的分析方法和计算结果可用于结构的优化设计。
The method and results in this paper for solving the problem of wave and vibration mode localization in periodic wave guide can be used in the optimum design of such kind of structure.
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