finite-difference beam propagation method 传播法
Finite Difference Beam Propagation Method 用有限差分光束传播法 ; 有限差分光束传输法
finite-difference time-domain beam propagation method 时域有限差分束传播法
The wave propagation characteristics of the splitter are numerically simulated by the finite difference beam propagation method and experimentally investigated.
首先用有限差分光束传播法模拟了器件的光波传播特性，然后进行了初步的实验验证。
The finite difference beam propagation method(FD-BPM) can simulate the performance of the waveguide accurately.
有限差分束传播法则能够准确地模拟波导的性能。
So the main work in this dissertation is compiling and debugging the program for solving the field distribution in channel waveguides using three-dimensional finite-difference beam propagation method.
为此，本文重点完成了利用三维有限差分束传播法求解条形波导中场分布的计算程序的编写和调试。
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