A Feasibility Study of Representing the Electric Field in Perforated Rectangular Enclosure Based on Modal Expansion Method

被引：0
|
作者：
Zhao, Yuan [1 ]
Wang, Tianle [2 ]
Sun, Xiaofeng [1 ]
Du, Guohong [1 ]
Yan, Liping [3 ]
Zhao, Xiang [3 ]
机构：
[1] Chengdu Univ Informat Technol, Coll Elect Engn, Chengdu 610225, Peoples R China
[2] Southwest China Inst Elect Technol, Chengdu 610036, Peoples R China
[3] Sichuan Univ, Coll Elect & Informat Engn, Chengdu 610065, Peoples R China
来源：
IEEE LETTERS ON ELECTROMAGNETIC COMPATIBILITY PRACTICE AND APPLICATIONS | 2021年 / 3卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Electric fields; Apertures; Micromechanical devices; Electromagnetic compatibility; Bandwidth; Couplings; Electronic mail; Aperture coupling; inner product; modal expansion method; orthogonal property of resonant modes; perforated rectangular enclosure;
D O I：
10.1109/LEMCPA.2021.3050249
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 letter, the modal expansion method (MEM) based on orthogonal property of resonant modes is utilized to represent the electric field in a perforated rectangular enclosure. By applying inner product between electric field obtained by finite integration technique (FIT) and transverse electric (TE) or transverse magnetic (TM) mode field respectively, the mode coefficient for each contributing mode can be accurately obtained over the modal bandwidth. Then the electric field in a perforated rectangular enclosure can be represented by the superposition of contributing mode fields multiplying their corresponding mode coefficients. And the figures of mode coefficients' magnitude and phase give an intuitive understanding of the internal electric field. The statistical properties of internal electric fields obtained by FIT and MEM are in agreement with each other. MEM provides a better understanding of the electromagnetic environment in perforated enclosures.
引用
收藏
页码：48 / 51
页数：4
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