谐振腔

In this dissertation, the axially extracted vircator with feedback is investigated by means of particle-in-cell simulation with some of the results analysed theoretically.

在粒子模拟方面，研究了轴向提取反馈式虚阴极振荡器的振荡频率与腔长的关系，分析了腔体的谐振特性。

In cavity quantum electrodynamics, an optical resonator can be used to enhance this interaction for atoms.

在"腔量子电动力学"中，一个光学谐振器可被用来增强原子的这种相互作用。

By employing the harmonic expansion and matrix inversion, we calculate the polarization of the medium and analyze the interference effect of the coherent field is investigated.

本文采用密度矩阵元的谐振展开方法，理论上研究了处于环型腔内的二能级原子系统的光学双稳和多稳现象的相干控制。

Then, base on the equivalent circuit model for cascaded coupled resonator filter, the method for measuring or computing the phase of the reflection coefficient of short-circuit terminated networks and synthesizeing all the inter-resonator couplings and resonant frequencies of the filters to be tuned is studied intensively. The phase loading effect is removed and the tuning steps are analyzed. The method based on the partial fraction expansions of admittance matrix is used to synthesize coupling matrix of the filters under tuning.

然后，通过分析级联耦合滤波器的等效电路模型，着重研究了利用测量或计算终端短路网络的反射参数的相位来综合出待调级联耦合滤波器各个腔体的谐振频率和腔体间的耦合系数的方法，并且消除了端口相位加载的影响，给出了具体的调试步骤；接着利用导纳矩阵部分分式的展开来求得待调滤波器耦合矩阵，着重研究了消除端口相位加载的方法。

According to condition of phase resonance of fiber grating F-P cavity, the relationship between fiber Bragg grating period and cavity length for fiber grating F-P cavity has been deduced, which provide a basis for the manufacture of the F-P filter based on fiber Bragg grating.

根据光纤Bragg光栅F-P腔的相位谐振条件，推导了光纤光栅F-P腔的腔长与光纤Bragg光栅常数之间的关系，从而为研制基于光纤Bragg光栅的F-P滤波器提供了依据。

This paper designs a kind of fiber grating external cavitysemiconductor laser aim at the domestic or overseas need on syntonic fiberpeg-top and it has been validated in the lab.

针对国内外对谐振式光纤陀螺光源的需要，本文为其设计一个稳定光源——光纤光栅外腔半导体激光器，并在实验室验证其可行性。

The structure parameters of the component are further varied, to obtain multivarious frequency components. The resonance frequency of a component is reduced by filling high permittivity medium, and this makes it possible to keep the design of a component compact at low frequency even.

进一步改变结构参数，可获取不同谐振频率的器件，且可在腔体中填充高介电常数介质来减小器件的谐振频率，克服了以往使用腔体结构在低频段时体积过大等问题。

A new method for calculating the selected frequency and linewidth of the passive cavity of a pulsed dye laser is presented. Several typical cavities containing gratings, etalons and resonant reflector as frequency-selective elements are studied.

本文提出一种计算脉冲染料激光腔频率特性的新方法，并用以对包括有单光栅、双光栅、标准具和谐振反射器等选频元件的几种典型腔进行了研究。

Tunable cavity filters are studied in this thesis, including calculation of resonant frequencies for a given cavity, design of cav...

本文研究可调滤波器，主要包括腔体滤波器的谐振频率计算、腔体尺寸设计以及尺寸缩短效应分析等内容。

Considering the design parameters of the BEPCⅡ, in the case of one cavity type being adopted, the thesis analyzes the RF performance of accelerating mode, the suppression of higher order modes , and the restriction caused by HOMs against beam current threshold.

结合BEPCⅡ的设计参数，论文对其中一种腔型在BEPCⅡ上使用时加速模式的微波性能、高次模的抑制效果以及高次模对储存流强阈值的限制等方面进行了分析，并在铝模型腔上测量了加铁氧体高次模抑制器前后，超导腔中各种谐振模式的有载品质因子及其频率的分布。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。