Research of the Near-Field Scattering of Vortex Electromagnetic Wave Based on FEKO

被引：0
|
作者：
Chen Hai-tao [1 ]
Zhang Ze-qi [1 ]
Yu Jie [1 ]
机构：
[1] Wuhan Maritime Commun Res Inst, Wuhan, Peoples R China
来源：
2019 INTERNATIONAL APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY SYMPOSIUM - CHINA (ACES), VOL 1 | 2019年
关键词：
vortex electromagnetic wave; OAM modal spectrum; near-field scattering;
D O I：
10.23919/aces48530.2019.9060537
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Based on the FEKO full-wave electromagnetic simulation and the principle of near-field diagnostics, the near-field scattering characteristics of typical scatterers illuminated by vortex electromagnetic waves are studied. It's shown from the simulation data that the ability of identification of scatterer characteristics by vortex electromagnetic wave is higher. In addition to the amplitude and phase patterns, the orbital angular momentum (OAM) modal spectrum patterns of the scattering field also carry the information of the geometric shape and material characteristics. The application of OAM modal spectrum will help to improve the ability of information acquisition and target detection of electromagnetic wave.
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页数：2
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