Circular patch microstrip array antenna on NiCoAl ferrite substrate in C-band

被引：5

作者：

Kumar, Dheeraj ^{[1
]}

Pourush, P. K. S. ^{[1
]}

机构：

[1] Agra Coll, Dept Phys, Agra 282005, Uttar Pradesh, India

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 9-12期

关键词：

Microstrip patch antenna ferrite; Switchable antenna; Radar cross section (RCS); PHASED-ARRAYS;

D O I：

10.1016/j.jmmm.2009.05.056

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The problem of a 4 x 4 circular disc array antenna (CDAA) printed on a uniaxially anisotropic ferrite (NiCoAl) substrate is treated. The effect of anisotropy on the resonant frequency of the antenna is investigated. Radiation and scattering characteristics of the antenna with normal magnetic bias field to the direction of wave propagation in the plane of ferrite are described. calculated result for the radar cross section (RCS) of antenna presented, and it is shown that the peaks in the RCS can be moved with respect to angle of incidence by changing the magnetic bias field. This effect offers away of minimizing the radar visibility of microstrip antennas and arrays. Results are obtained from cavity modal solutions for a circular patch antenna at its TM11 mode. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1635 / 1638

页数：4

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