Radiation of electromagnetic waves by an arbitrarily oriented slot at the end wall of a rectangular waveguide

被引：0
|
作者：
Nesterenko M.V. [1 ]
Katrich V.A. [1 ]
Kijko V.I. [1 ]
Pshenichnaya S.V. [1 ]
机构：
[1] Department of Radiophysics, Biomedical Electronics and Computer Systems, V. N. Karazin Kharkiv National University, 4, Svobody Sq, Kharkiv
来源：
Progress In Electromagnetics Research C | 2021年 / 113卷
关键词：
Circular waveguides - Electromagnetic waves - Geometry;
D O I：
10.2528/PIERC21042303
中图分类号：
学科分类号：
摘要：
A problem of electromagnetic waves radiation diffracted at a narrow rectilinear arbitrarily oriented slot cut in an end wall of a semi-infinite rectangular waveguide is solved by an asymptotic averaging method. The slot radiates into a half-space over an infinite perfectly conducting plane. An influence of slot inclination angle upon energy and spatial characteristics is numerically studied. Theoretical results are compared with experimental data. A numerical-analytical problem of a narrow rectilinear slot radiating into the space above an infinite impedance plane is also presented. The asymptotic solution for the slot magnetic current was obtained by a generalized method of induced magnetomotive forces (MMF) by using Green’s functions of a space above the impedance plane. The effect of the plane with impedance coating on the slot is reduced taking into account an additional term to the slot external conductivity, for which the expressions were obtained in an analytical form. © 2021, Electromagnetics Academy. All rights reserved.
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页码：47 / 58
页数：11
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