FDTD中使用CPML和PML边界条件进行RCS计算的实例研究

2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC) Pub Date : 2018-10-01 DOI:10.1109/AESPC44649.2018.9033411

N. K. Sahoo, R. K. Parida, D. C. Panda

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引用次数: 0

摘要

在时域有限差分中，采用完美匹配层边界条件和卷积PML边界条件计算完美导电球的雷达截面。使用Matlab对FDTD进行编码。所得结果与FEKO全波电磁仿真软件所得结果进行了比较。可以看出，CPML边界条件在不影响精度的情况下，计算域越小，模拟时间越短。

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A Case Study on using CPML and PML Boundary Conditions in FDTD for RCS Calculation

Perfect Matched Layer (PML) and Convolutional PML boundary conditions are used in FDTD for Radar Cross Section (RCS) calculation of a perfect electric conducting (PEC) sphere. Matlab is used for coding the FDTD. The results obtained are compared with that of results obtained using FEKO full-wave electromagnetic simulation software. It is seen that the CPML boundary condition takes less simulation time with the smaller computational domain without compromising accuracy.

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2018 International Conference on Applied Electromagnetics, Signal Processing and Communication (AESPC)

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