Low RCS Microstrip Patch Array with Hybrid High Impedance Surface Based Ground Plane

Singh, A and Hema, Singh (2020) Low RCS Microstrip Patch Array with Hybrid High Impedance Surface Based Ground Plane. Progress In Electromagnetics Research Letters, 94. pp. 75-84. ISSN 1070-4698

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Abstract

For a radiating structure such as dipole/patch array mounted on an aerospace platform, the radiation mode radar cross section (RCS) plays a significant role compared to the structural mode RCS. Thus the estimation and control of array RCS without degrading its radiating characteristics poses a challenge for an antenna engineer. In this paper, a novel design of a low profile 4-element patch array with hybrid HIS-based ground plane is presented to demonstrate both in-band and out-of-band structural RCS reductions. A significant broadband reduction in structural RCS has been achieved from 1GHz to 80GHz. The radiation mode RCS of the patch array is computed and controlled through optimized design parameters without degrading the radiation characteristics. The computed array RCS shows that even radiation mode RCS can be reduced except in operating frequency range.

Item Type:	Article
Subjects:	ENGINEERING > Electronics and Electrical Engineering PHYSICS > Solid-State Physics
Depositing User:	Mrs SK Pratibha
Date Deposited:	12 Nov 2020 14:01
Last Modified:	12 Nov 2020 14:01
URI:	http://nal-ir.nal.res.in/id/eprint/13357

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