结果表明，波导传输模式的衰减特性与波长相关。
The results obtained show that attenuation of the propagating mode in this waveguides is highly dependent on wavelength.
所给出的模场分布以及结构参数对波导传输特性影响的许多结果可用于光波导的设计和研制。
The field patterns and other results presented in this paper may be used in the analysis and design of optical waveguides.
考虑到脊波导器件在使用和制造中可能产生的结构变形，论文重点研究了变形对常规单脊波导与双脊波导传输特性的影响。
Another important contribution of this thesis is in studying the dependence of waveguide deformation on the transmission characteristics of normal single - and double-ridged waveguides.
文章综述了测量非线性光学(nlo)聚合物薄膜材料光波导传输损耗的三种新方法及原理，分别给出了典型的实验装置结构图，并对它们的特点进行了比较。
The principles of the common methods to measurement the propagation loss of the NLO polymer film optical waveguide are summarized, and the typical experimental arrangements are presented.
信号传输线(一个同轴波导管)贯穿整个塔身，通过它，信号从传输器运送到塔尖的天线。
The entire length of the tower is equipped with a feeder (a coaxial wave-guide) through which signals are transmitted from the transmitter to the antenna on the spire.
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).
研究了光子晶体多模波导在非光子带隙区光场的传输特性。
The properties of the propagating field in multimode photonic crystal waveguides (PCWs) exhibiting no photonic band gaps (PBGs) are investigated.
在分析过程中，将天线的辐射问题转化为相应波导结构的传输问题，从而避免了求解场源问题的困难；
The radiation problem is transformed into a transmission problem of the corresponding waveguide structure to avoid the difficulty of the field source problem which is met in the traditional analysis.
二维时域有限差分仿真结果表明，在大部分光子晶体波导导模的频谱范围内，传输效率高于98%。
The simulation results show that the power transmission efficiency is over 98% in a large part of the frequency range of the guided mode of photonic crystal waveguide.
本文讨论了非线性对称平板波导中的TE波的偶模及奇模的传输问题。
The transmission problems of an even mode and an odd mode of TE waves in symmetric slab waveguides are considered.
运用傅立叶光学理论建立高斯光束的离散化模型，并用这个模型计算了双弯曲金属波导的传输效率。
A discrete model of Guassian beam is established based on Fourier Optics principles. The transfer efficiency of dual bending waveguide is obtained by using this model.
导出了关于混合模的耦合边界积分方程组及其退化形式，并用矩量法将之离散为齐次代数方程组，从而得波导的混合模传输常数；
The coupled boundary integral equations and their reduced forms are deduced for hybrid mode problems, and these equations are discreted into a system of linear algebraic equations by moment method.
提出了一种新型截断圆形槽波导，并对其传输特性进行了数值计算和分析。
A new type of truncated circular-groove guide is proposed and its transmission characteristics are also numerically calculated and analyzed.
介绍了用于现代雷达系统的光波导的基本特性和设计考虑，包括其物理和传输性能。
Optical waveguides for modern radar system applications are presented. Their fundamental properties and design considerations are described including their physical and transmission characteristics.
当波导只传输主模(te_(10)模)时，求得从同轴线看去的输入阻抗的实部和虚部表达式。
When the dominant mode TE10 is propagated alone in the rectangular waveguide, expressions for the real and imaginary parts of the input impedance seen by the coaxial line are derived.
讨论了M层克尔型非线性介质平板波导中TE波的传输特性，并给出其导模的解析解。
Transmission properties of TE wave in the nonlinear Kerr media plate with M layers have been discussed and the analytical solution of waveguide mode is also given.
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.
运用线性系统理论分析了阵列波导光栅的模场特性，导出器件传输的数学模型即光栅方程。
The characteristic of arrayed waveguide gratings is analyzed with the linear systems theory and the optical grating equation is educed.
微带线和波导是两种重要的微波、毫米波传输系统。
Microstrip and waveguide are two important kinds of microwave and millimeter-wave transmission lines.
通过改变外延生长工艺来调节两层薄膜的折射率，可在一定波导的厚度范围内实现单模传输。
By adjusting the difference of refractive index of the double layer film, single mode operation can be realized with a certain waveguide thickness.
根据光波导理论，推算出弱导条件下光沿光纤传输场的标量近似解，给出场的各分量表达式，以便分析讨论。
Using wave guide theory, we deduce scalar approximate solution about transmissive light through a fiber weak-guide and give the expressions of field in each component.
首先介绍了基片集成波导(SIW)这一新技术，并用表面电流理论解释了电磁波在SIW中的传输模式。
A new technique called substrate integrated waveguide (SIW) is presented in this article, and then wave modes in the SIW structures are explained by using surface currents theory.
本文利用波导的传输线模型及阻抗变换技术，分析了多分叉波导的性质。
In this paper, we present the analysis of multifurcated waveguides by the transmission line model and impedance transformation technique.
微带线和波导是两种重要的微波传输线，在微波领域有着十分广泛的应用。
Mircrostrip and waveguide are two important kinds of microwave transmission line which are widely used in microwave area.
分析了中央亮条纹的全宽度和半最大值全宽度随波导参数和传输距离的关系。
The relation between the width of central bright fringe together with full width at half maximum of central bright fringe and every waveguide parameter is analyzed.
应用有限元分析方法计算了对称四脊矩形波导TE模式的传输特性，即截止波长和场结构图传输特性。
This paper describes the application of finite element method for obtaining the TE mode′s cutoff wavelength and the field pattern of symmetric quadruple-ridged rectangle waveguide.
根据波导间相互耦合与自映像原理，采用时域有限差分法分析了该器件的光传输特性。
The optical propagation properties of the device have been demonstrated by finite difference time domain method according to the waveguides directional coupling and self-imaging principle.
结果表明：注入激光的偏振方向与波导长轴方向一致时的传输效率远高于与波导短轴方向一致时的传输效率。
The results show that the transfer efficiency is much higher when polarization direction of injected laser coincides with the direction of long axis than with that of short axis of the waveguide.
采用光束传输矩阵法详尽地分析了光束在波导中的传输方式，模场分布。
The optical beam transfer matrix method is used to analyze the transfer manners and the distribution of waveguide modal field in detail.
采用光束传输矩阵法详尽地分析了光束在波导中的传输方式，模场分布。
The optical beam transfer matrix method is used to analyze the transfer manners and the distribution of waveguide modal field in detail.
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