350 rub
Journal Antennas №11 for 2012 г.
Article in number:
Combined patch antenna with linear and circular polarization
Keywords:
microstrip antenna
patch antenna
linear and circular polarization
antenna pattern
axial ratio
antenna power gain
Authors:
Yu.S. Kalashnikov, E.A. Shorokhova
Abstract:
Design of simple to manufacture of the antenna systems with minimum overall dimensions and specific radiated characteristic always was actual and practically significant problem of the antenna technology. Microstrip patch antennas pertain to such antennas, which having the great variety of schemes of excitation and ability to radiate energy with linear, circular and elliptic polarization, possess the minimum overall dimensions, excellent repeatability, low cost and relative simplicity of manufacturing.
In this paper the combined patch antenna is offered, which provided linear or circular (left or right) polarization of electromagnetic radiation on the frequency approximately 1 GHz. The patch antenna consists of two radiators with right and left circular polarization and is manufactured in the form of monoblock. The linear polarization of such antenna is provided by in-phase switching of radiators, having opposite directions of the rotation and polarized ellipses of the same amplitude. In this article results of the numerical simulation of the antenna in the package CST Microwave Studio, description of the design features of the manufactured antenna, as well as results of the experimental studies of the characteristics of its model are given.
The designed and manufactured very high frequencies patch antenna can be used as by independently, so and consisting of the antenna array.
Pages: 30-35
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