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).
对采用高频CO2激光脉冲写入的新型长周期光纤光栅的透射谱进行了理论分析。
The transmission spectrum of a novel long period fiber grating written with the high frequency CO2 laser pulses is theoretical analyzed.
本文应用耦合模理论分析了长周期光栅的光谱特性。
The spectral characteristics of a long period fiber grating is analyzed by using the coupled mode theory.
传统的基于半经验半理论的离心泵的设计和研制开发，费用高、周期长。
It is high expense and long period to design and research and develop new typical Centrifugal Pump in traditional and half empirical and half theoretical way.
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。
The qualitative analysis of the related experimental results was carried out combining with photo-elastic effect, photo-thermal effect and coupled mode theory.
从理论和实验上研究了长周期光纤光栅用于掺铒光纤放大器自发发射谱增益平坦展宽的特性、自增益谱的荧光峰和可用带宽。
In this paper, the properties of ASE gain flattened of EDFA are studied based on energy level and particle number shifting of EDFA both theoretically and experimentally.
基于齿轮副的动态啮合模型，对具有误差激励的齿轮副按长、短周期从理论上研究了其动态响应特征。
The paper researches the spectrum characteristics of dynamic response of the gear pair with the error excitation in the long and short period based on dynamic mating model of the gear pair.
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。
From coupled mode theory, the mathematical model of LPG was established.
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.
分析了长周期光纤光栅(LPG)的啁啾特性和切趾特性，给出了基于LPG的增益平坦滤波器可调的理论依据。
The chirp and apodization characteristics of long-period grating (LPG) are analyzed, and the theoretic foundation of adjustable gain flattening filter based on LPG is provided.
德国的法学教育以其周期长、学科设置全、培养的人才理论基础扎实著称。
The legal education of Germany is famed for a long time and comprehensive knowledge.
从理论和实验上研究了长周期光栅的折射率特性和双折射效应，阐述了其实际应用价值。
The refraction index sensitivity and birefringence effect for LPG were analyzed, and their practical application were expound.
文中同时对长周期光纤光栅的光谱特性进行分析和数值模拟，为长周期光纤光栅的制作和传感研究提供理论参考。
Theoretical analysis and numerical simulation of transmission spectral characteristics is a good reference to the fabrication and sensor application of LPFG.
从理论上分析了系统分辨力与细分数、光栅周期、放大率和倾角等参数的关系，并通过实验在阿贝比长仪上进行了检验。
The relations of systemic resolution to subdivision number, grating period, magnifying power and tilt Angle are theoretically discussed and experimentally checked on the Abbe comparator.
桃属于多年生果树植物，由于世代周期长及其高度杂合性，使分子遗传作图不仅在理论上而且在育种实践上有十分重要的意义和价值。
Peach is a kind of the perennial fruit crop. For it's long period of a generation, molecular genetic mapping is very important theoretically and practically in breeding.
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。
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.
对流场中一无限长周期环肋圆柱壳受激振动的辐射声压进行了理论和实验研究。
Sound radiation analysis of low order modes from the ring-stiffened cylindrical shells in fluid medium;
对流场中一无限长周期环肋圆柱壳受激振动的辐射声压进行了理论和实验研究。
Sound radiation analysis of low order modes from the ring-stiffened cylindrical shells in fluid medium;
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