利用矩量法，首先导出了多端口耦合问题的关于传输模和截止模的等效导纳矩阵的计算公式。
Firstly, a general formulation for equivalent admittance matrix relating propagating modes and cutoff modes to each other is derived by the method of moments for the multi-port coupling problems.
建立在光纤中传输模场的基础上，研究了两模间干涉特性和传感特性，指出了远场两瓣光斑的动态变化规律。
Based on the transmitted field the characteristic of interference and sensing between two modes is investigated and point out the disciplinarian of far field two-lobe radiation patterns.
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.
应用耦合模理论和传输矩阵法计算模拟了长周期光纤光栅的透射谱，并对其进行了切趾优化。
Based on the coupled-mode theory, the transfer-matrix method is used to calculate the transmission spectra of phase-shifted long-period fiber gratings (LPFG).
本文第一部分运用耦合模理论推导了在光纤光栅中传播的光的基本传输方程以及给出各个参数的物理意义。
Firstly, basic transmission equation of transmitted light is given using coupled-mode theory in Fiber Bragg Gratings and physics meaning of every parameter is given.
利用两根多模光纤束传输光信号，采用一种特殊的结构形式，能够有效地消除力偏心对传感器输出的影响。
Two beams of multi-fibers are used to transmit optical signals, and one particular structure is adopted to effectively eliminate the effect of eccentric force on the sensor output.
通过实验分析，证实了对场分布影响较大的第一阶谐振频率是TE101模，TE101模的谐振频率是TEM传输室的上限使用频率。
Through the experiment, it was validated that the first frequency that have great effect on the field distribution is TE101, and the resonant frequency of TE101 is the limited frequency of TEM cell.
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.
本文阐述了一种对共模扼流圈的的改进方法，及其在视频信号传输中的应用与实现。
This paper introduces a improved method of common-mode current choke, along with the application and realization of video signal transfer with the common-mode current choke.
针对光纤传输中的偏振模色散(PMD)问题，研究和比较了现有PMD的光域补偿方法。
The existing optical domain compensation methods for the Polarization Mode Dispersion (PMD) in fiber-optic transmissions are studied and compared.
耦合模方程、反射率公式、传输矩阵公式的详细推导在附录中。
The coupled mode equation, reflectivity formula and transmission matrix formula are strictly educed in the appendices.
这种利用多模腔的设计也具有准椭圆传输函数特性。
The new designs utilize over-moded cavities and also exhibit pseudo-elliptic transfer functions.
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.
它具有与激励模相同的传输常数，但幅度却以芯径渐缩的速率衰减。
It has the same transmission constant as the exciting mode, but its amplitude reduces at the decreasing ratio of core radium.
现今使用的电子邮件系统跟1971年的几乎一模一样，正如在2011年的两台计算机间进行文件传输一般，从本质上看，使用的是一个有着40年历史的老古董。
Thee-mail system in use today has a strong resemblance to that of 1971, just as transferring files between two machines in 2011 is, at heart, a 40-year-old relic.
为了获得稳定的谐波锁模脉冲，分析了有理数谐波锁模的理论和非线性放大环镜的传输特性。
To achieve a steady harmonic mode-locked pulse (HMLP), the theory of rational harmonic mode-locking and the transmission characteristics of a nonlinear amplifying loop mirror were analyzed.
此外，推导出波导tm、TE模的传输功率、损耗功率、衰减常数、等效阻抗等特征参数的边界元公式。
Furthermore, the formulae of transmitted power, loss power, attenuation constant and equivalent impedance for TM and te modes are deduced.
用严格模匹配与多模网络理论相结合的方法，对几种周期介质结构的传输特性进行了深入的分析。
The transmission characteristics for different kind of periodic guiding structures were analyzed with a method of rigorous mode matching method combining with multimode network theory.
研究了涂料组成、涂层厚度、透气性、温度等对聚苯乙烯热解产物通过消失模涂层的传输特性的影响。
The effects of coating constituent, coating layer thickness, permeability and temperature on transfer behavior of polystyrene thermal degradation product through coating layer have been studied.
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.
各采集器以网络结点的方式挂接到RS485传输网络上，传输距离远，还可有效的抑制共模干扰。
The RS485 transmission net is made up of the data collection station, which can transmit for remote distance and restrain common mode interference.
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.
因此，研究部分相干光的传输特性、光束质量和模分解具有重要的理论意义及实用价值。
It would be of important significance to study the laser beam characterization, beam propagation, mode decomposition and beam quality control.
卫星信号仿真器在多模接收机和高动态接收机的研发中占有重要地位，它涉及到大量的数据计算和传输。
The satellite signal simulator plays an important role in developing multimode receiver and high dynamic receiver which involved mass data calculation and transmission.
本文为了配合月球射电仪天线的研究，推导了奇模四线传输线变压器的传输系数。
To help researching the lunar radio telescope, the transmission coefficient of odd mode four-wire transmission line transformer is derived.
本文在耦合模理论的基础上，运用有限差分法数值模拟了布拉格亮孤子在抛物线平方变迹光纤光栅中的传输特性。
On the basis of the coupled mode theory, the finite-difference method is used to simulate the transmission of Bragg bright solitons in parabolic squared-apodization fiber gratings.
研究了在大芯径、多模功率光纤中传输的激光束光束质量和偏振与光纤长度的关系。
In this paper, the beam quality and polarization degree of laser beam which propagated in large core multimode power fibers is studied.
对长周期光纤光栅传输谱谐振波长的应变特性用耦合模理论进行研究，推导出谐振波长应变灵敏度的解析表达式。
The strain sensitivity characteristic of long-period fibre grating (LPFG) was studied by coupled-mode theory and the strain sensitivity analytic equation of the resonant wavelength was deduced.
针对矩形巷道中由于金属支护立柱的存在而带来的分叉不连续问题，提出用分叉波导模型并用模式匹配法和多模传输理论分析传输特性。
A fork waveguide model is proposed and the mode matching and multi-mode network technique are used to analyze the transmission characteristics of rectangular tunnel with metallic pit prop.
针对矩形巷道中由于金属支护立柱的存在而带来的分叉不连续问题，提出用分叉波导模型并用模式匹配法和多模传输理论分析传输特性。
A fork waveguide model is proposed and the mode matching and multi-mode network technique are used to analyze the transmission characteristics of rectangular tunnel with metallic pit prop.
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