可见光、红外线和紫外线在大气中的传播。光波在大气中传播时，受到大气的吸收、散射、折射和闪烁等影响，影响程度与光 波波长有密切关系。
该程序是用来计算三维光波传播的FDTD程序。
That the procedure was used to calculate the three-dimensional wave transmission FDTD procedure.
由于大气对光波传播引起的折射效应，使得光学雷达测量中产生折射误差。
The refraction effect of light-wave when it propagates in atmosphere brings refraction error to optic radar's measurement.
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 wave propagation characteristics of the splitter are numerically simulated by the finite difference beam propagation method and experimentally investigated.
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