From coupled mode theory, the mathematical model of LPG was established.
其次从耦合模理论出发，建立了长周期光纤光栅的数学模型。
At last, application of three slabs waveguide in laser mode theory is introduced.
最后介绍了三层平板波导理论在激光器模式理论中的应用。
The importance of the sliding mode theory in the variable structure system is expressed.
阐述滑模理论在变结构系统中的重要作用。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
本文应用耦合模理论分析了长周期光栅的光谱特性。
Based on the coupled mode theory, the cross-talk noise in fractal multiplexed volume hologram is analyzed.
基于耦合波理论并引入波矢簇的概念，对体全息存储分维复用的串扰噪声进行了分析。
Based on the coupled-mode theory, a simple method to distinguish circular-birefringence fibers is presented.
基于耦合模理论，提出一种判别圆双折射光纤的简易方法。
Based on Normal Mode theory, the explanation of sound field fluctuation characteristic caused by internal waves is given.
基于声简正波理论，给出了内波导致声场起伏特性的一般理论解释。
As life grow older, I found that everyone around with thinking mode theory, can be divided into two kinds: may or may not.
随着生活阅历的增加，我发现身边所有的人以思维方式论，都可以分成两种：可能或不可能。
Through coupled-mode theory, the simulation of the coupling properties of the slanted grating is given to optimize its tilt angle.
利用耦合模理论，模拟了斜光栅的耦合特性并对其倾斜角进行优化设计。
In the paper, some non-destructive methods based on mode theory such as frequency method, energy method and matrix method are introduced.
本文比较详细地介绍了基于模态理论的无损探伤方法，即频率法、能量法、柔度矩阵法等。
On this basis input and output coupling properties have been described systematically by coupled mode theory of guided mode and radiation mode.
在此基础上，利用导模与辐射模的耦合模理论较系统地描述了棱镜耦合器的输入、输出特性。
Current mode theory enables design of super wide frequency band, super high speed analog switches by introducing circuit structures and principles.
采用电流模理论和电流模电路设计超宽频带、超高速度模拟开关。
The complex mode theory is presented, with analysis of the characteristics of the free vibrations of these systems in the complex eigenvector space.
阐述了复模态理论，分析了系统自由振动在复特征向量空间内的特性。
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).
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。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
实验研究了该型长周期光纤光栅的压力和温度特性；结合光纤的弹光效应、热光效应和耦合模理论分析了实验结果。
Based on the generalized mode theory of linear vibrating defective systems, an identification method of generalized modal parameters is presented in this paper.
基于线性振动亏损系统的广义模态理论，本文提出了一种识别亏损系统广义模态参数的频域方法。
Based on the coupled mode theory, the influence of introducing the chirp on the bistable characteristics of linear negative tapered Bragg gratings is investigated.
基于耦合模理论，对线性负切趾型布拉格光栅中引入啁啾后其双稳特性的变化进行了研究。
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.
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。
Sound power determination in reverberation chambers is discussed in the light of normal mode theory. Rigorous as well as statistical formulas are found, and the aged problem of.
用简正振动方式理论分析了混响室内声功率测定问题，求得了严格公式和统计公式，解决了测试中多年未有定论的问题。
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.
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。
The properties of long period gratings in photonic crystal fibers (PCFLPG) are systematically analyzed by the improved full-vector effective index model and the coupled mode theory.
将修正的矢量等效折射率模型和耦合模理论相结合，系统地研究了光子晶体光纤长周期光栅(PCFLPG)的特性。
This paper discusses five parts from Chinese enterprises and technical personnel training issues: the first is on the training of enterprise technology and related training mode theory.
本论文从五部分论述了我国企业技术人员的培训问题：第一是介绍了企业技术人员的培训模式和相关培训理论。
Based on the internal mode theory, time-delay control introduces a small delay in the control design to reduce the effect of additive disturbances and to improve the system performances.
时滞控制基于内模原理，在控制器中引入时滞项以减少额外的干扰，从而提高控制系统的性能。
The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程，确定了其多谐振峰的位置。
Then further applying Sequence-number Summation Theory and Mode Theory, to check up the appraisal precision difference between appraisal results based on PPCA method and exiting methods.
最后进一步运用序号总和理论和众数理论，检验了基于PPCA的评价结果与现有方法评价结果之间的精度差异。
Using conventional coupled-mode theory, a set of coupled-mode equations are formulated for single-helix chiral fiber long-period gratings. A helical-core fiber is analyzed as an example.
采用传统的耦合模理论，建立了单螺旋手征长周期光纤光栅的耦合模方程，并以螺旋芯光纤为例进行了理论分析。
At last, taking bending and microbending loss for single mode fibers as an example, we see that this method also applied to problems which can be solved by generalized coupled mode theory.
最后以单模光纤弯曲和微弯损耗为例，说明等效电流方法还适用于广义耦合波理论才能求解的问题。
Secondly, Using MATLAB and HFSS to deeply research three types of analytical method for microstrip antenna which are transmission line method, cavity mode theory and finite-element method.
其次，结合MATLAB编程仿真和HFSS建模仿真，对微带天线的三种典型分析方法进行了深入研究，即传输线法、腔模理论和有限元法，为下面宽频带微带天线的设计奠定了理论依据。
This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.
利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。
This paper is concerned with semi-active control of vertical vibration for continuous beam by variable dampers and puts forward the semi-active control law based on the sliding mode theory.
利用可变阻尼器对连续梁桥的竖向振动进行半主动控制，提出基于滑动模式理论的控制算法，并以实例加以说明。
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