External Oscillating Loci of Scatterers

Xu Hai; Wang Wenbing

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External Oscillating Loci of Scatterers

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- External Oscillating Loci of Scatterers
- Acta Electronica Sinica Issue 5, Pages: 75-78(1990)
- 作者机构：
  
  西安交通大学
- 作者简介：
- 基金信息：
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- Published：1990
- 稿件说明：
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[1]徐海,汪文秉.散射体外部振荡轨迹[J].电子学报,1990(05):75-78.

Xu Hai, Wang Wenbing. External Oscillating Loci of Scatterers[J]. Acta Electronica Sinica, 1990, (5): 75-78.
[1]徐海,汪文秉.散射体外部振荡轨迹[J].电子学报,1990(05):75-78. DOI：

Xu Hai, Wang Wenbing. External Oscillating Loci of Scatterers[J]. Acta Electronica Sinica, 1990, (5): 75-78. DOI：

摘要

本文讨论了射线法分析散射体外部振荡问题。外部振荡存在的必要条件是散射体表面有闭合测地线。本文给出了闭合测地线

即振荡轨迹的存在性

证明了这种闭合轨迹虽有无穷多条

但就确定SEM极点来说是等价的。

Abstract

In this paper the external oscillations of scatterer are analysed by ray theory. The necessary condition of external oscillations is the existence of closed geodesic lines on the surface of scatterers. The existence of closed geodesic lines （oscillate loci） is proved. Although there are infinite closed loci on the surface of scatterer

they yield same result in determining SEM poles.

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