On the Near-field Reactive Helicity and Far-field Directivity of Circularly Polarized Antennas

被引：0
|
作者：
Sarkar, Debdeep [1 ]
Antar, Yahia M. M. [2 ]
机构：
[1] Indian Inst Sci, Dept Elect Commun Engn, Bangalore, Karnataka, India
[2] Royal Mil Coll Canada, Dept Elect & Comp Engn, Kingston, ON, Canada
来源：
2024 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND INC/USNCURSI RADIO SCIENCE MEETING, AP-S/INC-USNC-URSI 2024 | 2024年
关键词：
D O I：
10.1109/AP-S/INC-USNC-URSI52054.2024.10686259
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：
In this paper, spatial distribution of reactive helicity around in the antenna near-field region is critically examined. Using MoM based full-wave simulation involving crossed dipole antennas backed by PEC (perfect electric conductor) plate and cavity, it is demonstrated that far-field directivity for CP (circularly polarized) antennas bear inherent correlation with reactive helicity in their near-field apertures. Such analysis of reactive helicity will enable engineers synthesize and apply complex magnetoelectric fields for communication as well as sensing applications.
引用
收藏
页码：729 / 730
页数：2
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