Variational-Effective index method and Finite difference beam propagation method(FD-BPM) are both practicable waveguide simulation tools.
在众多的波导模拟工具中变分有效折射率法和有限差分束传播法都是实用性非常强的。
The simulation results show that the power transmission efficiency is over 98% in a large part of the frequency range of the guided mode of photonic crystal waveguide.
二维时域有限差分仿真结果表明，在大部分光子晶体波导导模的频谱范围内，传输效率高于98%。
The simulation analysis has indicated that the bandwidth of ridged waveguide slot array has been greatly improved, and it is consistent with the result of the theory.
仿真分析表明脊波导裂缝阵列的带宽有较大的改善，这与理论分析的结果是一致的。
The results of the simulation show that the method can overcome the singularity of open-ended waveguide method and can effectively predict the electromagnetic parameters of the materials.
仿真结果表明，该方法能够克服开口波导法在某些数值点的奇异性，能有效地预测出对应的电磁参数。
The simulation and design of single mode waveguide, curve waveguide, directional coupler and monobloc construction of passive ring resonator have been accomplished by using BPM software.
结合BPM软件，完成了对单模波导、弯曲波导部分、定向耦合器和无源环形谐振器整体结构的模拟和设计。
Have accomplished the simulation and design of waveguide, directional coupler, bend waveguide and passive ring resonator by optical design tools.
结合光学设计软件，完成了对波导材料、定向耦合器、弯曲波导部分和无源环形谐振器的模拟和设计。
This thesis presents the FDTD applications in the electromagnetic simulation of waveguide structures.
本文主要研究了时域有限差分法（FDTD）在波导结构电磁场特性分析方面的应用。
The forth chapter introduces the Numerical simulation model of coaxial-waveguide CARM amplifier, gives out parameters computation, and procession flow charts.
论文的第四章给出CARM放大器数值模拟模型，对数值模拟过程中的参量计算，程序流程图做了详细的论述；
The numerical simulation shows that the first-order transverse modes have fairly high Q factor and high coupling efficiency to the output waveguide.
数值计算结果证明一阶横模具有很高的品质因子和很高的耦合输出效率。
The numerical simulation shows that the first-order transverse modes have fairly high Q factor and high coupling efficiency to the output waveguide.
数值计算结果证明一阶横模具有很高的品质因子和很高的耦合输出效率。
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