多模传输

THz波段渐变波导中的多模传输特性

Transmission property of multimodes in tapering circular waveguide

本文根据平面电路理论，采用Green函数本征函数展开法与多模传输矩阵技术，对介质谐振器型带通滤波器进行了机助优化设计，并且试制了样品，其实验值与计算结果吻合良好。

The eigenfunction expansion of Green 's function and the transmission matrix technique are employed for the computer-aided optimum design of bandpass filters with dielectric resonators based on the planar circuit theory The computed results are in good agreements with the experimental ones .

首先，为了说明在THz波段研究变截面波导中的多模传输特性时，波导壁的有限电导率影响必须考虑，应用该模拟程序对圆波导中的模式衰减问题进行了数值计算分析。

Firstly , to show the effect of the finite conductivity of the metallic wall in the research of the multi-mode transmission feature of waveguide transmission system with variable cross-section in THz wave-band , the problem of mode-attenuation in circular waveguide was simulated numerically by using the code .

矩形波导多模传输的分式线性变换检测法

A Linear Fraction Transformation Method for Detecting the Multi-mode Transmission in Rectangle Waveguide

利用多模传输理论求解块状云的辐射特征

An Attempt to Study the Three-Dimensional Radiative Properties of Cloud Using the Theory of Multimode Transfer

在介绍矩形波导模式谱图一般表达式的基础上，分析了多模传输波导的等效网络，提出了检测微波激励和传输系统中多模传输的分式线性变换检测法。

On the basis of the general expression of rectangle waveguide mode-spectrogram , the equivalent network is analyzed in the paper , and the linear fraction transformation method for detecting the multi-mode transmission in rectangle waveguide is introduced .

其次，研究了RoF链路的传输特性，给出了多模光纤传输特性和RoF链路的非线性表达式。

Secondly , the nonlinearity of RoF link has been studied . The function of multimode fiber transmission characteristics and the expression of the nonlinearity of RoF link are given .

周期性扰动对多模光纤传输性能的影响

Effect of Periodic Scrambling on the Transmitting Characteristic of Multimode Fibers

延迟位相在大功率CO2多模激光束传输与聚焦中的重要性

Study of Beam Propagation and Focus of a High Power CO_2 Laser with a Phase Shift Analysis

双包层掺镱光纤的纤芯作为单模波导用于传输信号光，内包层设计为多模波导用于传输泵浦光。

Fiber core of DCYDF is designed as signal waveguide , and inner-cladding is designed as pump waveguide .

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 use to transmit optical signals , and one particular structure is adopted to effectively eliminate the effect eccentric force on the sensor output .

本文就聚合物多模光纤的传输性能进行了探讨，并对其在光互连中的二维光纤阵列连接、对准方法进行了研究。

In this thesis , transmission properties of POF have been investigated , and an important application of POF in parallel Optical Interconnects as two-dimensional fiber arrays has also been studied .

本文通过分析比较，选择输入输出端面均为直圆柱平端面的阶跃多模石英光纤用于传输大功率YAG激光进行打标；

Through analysis and comparison , the multimode step index silica fiber with two cylinder flat ends is used to coupling and transmitting high power YAG laser for laser marking .

运用多模激光束的传输变换理论，分析了大功率Nd：YAG激光的光束质量变化对光学耦合变换系统的影响。

With the multimode beam transformations theory , the influence of degradation of beam quality on the optical coupling system was analyzed .

对紫外激光脉冲在阶跃型多模光纤中的传输特性，包括材料色散、模式色散、非线性效应、耦合方式、光纤功率支撑能力等方面进行了理论分析和实验研究。

The object is to analyze theoretically and test experimentally the propagation characteristic of ultraviolet laser pulse in step index multimode fiber .

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 .

从多模光纤中模式传输理论和射线分析法出发，分析用多模光纤做连接器件时造成输出功率不稳定的原因，并用数值模拟方法给出多模光纤弯曲损耗情况。

Based on the theory of propagation mode in optical fiber , the instability of the output power from a multimode fiber is analyzed .