复杂目标近场电磁散射特性研究

Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402) Pub Date : 2000-05-03 DOI:10.1109/CEEM.2000.853895

Xiang Yingqing, Xu Peng-gen, Liu Wu

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引用次数: 0

摘要

讨论了用像元法和计算机程序对简单和复杂目标的近场散射进行计算和分析。分析是基于高频近似方法。该方法的独特之处在于物理光学和矢量势等理论基础的简单性。计算结果表明，近场与远场之间存在较大的差异。近场的特性更为复杂。该工作在电磁兼容、电磁干扰预测和电磁散射等方面具有实际的工程价值。

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Investigation on the characteristics of the electromagnetic scattering near field from complex targets

Calculation and analysis of the scattering near field from some simple and complex targets using a method of picture elements (PEL) and a computer program are discussed. The analysis is based upon a method of high-frequency approximation. The uniqueness of this method is derived from the simplicity of the theoretical basis such as the physical optics (PO) and the vector potential. The calculated results show that there are large differences between the near field and the far field. The characteristics of the near field are more complex. This work has practical engineering value in the area of the electromagnetic compatibility (EMC), electromagnetic interference (EMI) prediction and electromagnetic scattering.

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Proceedings. Asia-Pacific Conference on Environmental Electromagnetics. CEEM'2000 (IEEE Cat. No.00EX402)

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