Closed-form expression of numerical reflection coefficient at PML interfaces and optimization of PML performance

Jinyuan Fang; Zhonghua Wu

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Closed-form expression of numerical reflection coefficient at PML interfaces and optimization of PML performance

机译：PML接口处数值反射系数的闭式表示和PML性能的优化

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The authors present a derivation of the closed-form expression of numerical reflection at interfaces of perfectly matched layer (PML). Reflection coefficients at single interfaces and of finite-thickness absorbers are presented. The derived closed-form expression is found to match identically With the reflection coefficient obtained directly through finite-difference time-domain computation. The closed-form expression of numerical reflection coefficient can significantly facilitate the optimization of PML performance.

机译：作者提出了在完全匹配层（PML）界面上数值反射的闭式表达式的推导。给出了单界面和有限厚度吸收体的反射系数。发现导出的闭式表达式与通过有限差分时域计算直接获得的反射系数完全匹配。数值反射系数的闭合形式可以显着促进PML性能的优化。

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《IEEE Microwave and Guided Wave Letters》 |1996年第9期|P.332-334|共3页
作者
Jinyuan Fang; Zhonghua Wu;
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正文语种 eng
中图分类无线电电子学、电信技术;
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Closed-form expression of numerical reflection coefficient at PML interfaces and optimization of PML performance

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