Firstly, the comparison of numerical analysis results and the small signal analysis results is given based on the coupled mode equation.
首先从耦合模方程出发，比较了数值分析结果与小信号近似分析的结果。
The coupled mode equation, reflectivity formula and transmission matrix formula are strictly educed in the appendices.
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 equation of two-wave mixing and expressions for weak beam amplification in a single mode waveguide are deduced by application of coupled wave theory.
本文利用耦合波理论分析推导了单模平面光波导中两波混合的耦合波方程和弱相干光放大率的表示式。
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。
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.
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。
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。
We have obtained the coupled-mode equation by using the eigenvalues and eigenvectors, and given a theoretical analysis.
利用固有值和固有矢量的方法解出了耦合模方程，并对其进行理论性分析。
By using coupled-mode equation, the formula for conversion efficiency of Cerenkov second harmonic generation (CSHG) is deduced in this paper.
从耦合模方程出发，推导了切伦科夫倍频转换效率公式，并得出该效率主要是由交叠积分决定的结论；
However, the numerical analysis of coupled-mode equation with self-coupling coefficient is demanded for the insight of the spectral of LPFG coupler.
但当侧重频谱的具体特性时，则必须采用考虑自耦合系数的耦合方程组的数值解进行优化设计。
However, the numerical analysis of coupled-mode equation with self-coupling coefficient is demanded for the insight of the spectral of LPFG coupler.
但当侧重频谱的具体特性时，则必须采用考虑自耦合系数的耦合方程组的数值解进行优化设计。
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