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scientific edition of Bauman MSTU


Bauman Moscow State Technical University.   El № FS 77 - 48211.   ISSN 1994-0408

The Study of Multi-Element Waveguide Feed

# 05, May 2016
DOI: 10.7463/0516.0841391
Article file: SE-BMSTU...o081.pdf (1288.28Kb)
authors: V.L. Handamirov1,*, D.A. Sergeev1

1 Bauman Moscow State Technical University, Moscow, Russia

The article considers a multi-element feed consisting of the circular waveguides. This feed can be used to excite antennas of various types, for example a mirror, lens or phased antenna arrays with spatial excitation. The feed of this type should be used in cases when it is necessary to form a multi-beam radiation pattern in which there is a minimum angular distance between the beams. Besides, in some cases for reasons of design to use the weak radiation pattern antenna of other types is inappropriate. The paper for the first time provides calculating the multi-element feed patterns, obtaining the new results, and studies the differences in radiation pattern characteristics of a single waveguide and a waveguide in the presence of the similar ones. CAD was used to conduct the study based on the finite difference method in the time domain and on the finite element one.

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