This paper presents the design and simulation of microstrip circular antenna arrays and studies the effect of excitation with uniform and Dolph-Chebyshev distribution. With side lobe level of 20 dB and 8 microstrip circular patches, the circular array has been demonstrated with minimum grating lobes. The effects of patch and antenna array length on directivity, radiation patterns, and side lobe are also studied in detail. It is found that these antenna arrays are suitable for radar application. © TÜBITAK.

Yogesh Kumar Choukiker

Department of Communication Engineering

School of Electronics Engineering

Vellore Campus

M. Kachalai Narsimman

S.R. Zinka

K. Dhanaraj

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Turkish Journal of Electrical Engineering and Computer Sciences

Effect of uniform and Dolph-Chebyshev excitations on the performance of circular array antennas

Journal	Turkish Journal of Electrical Engineering and Computer Sciences
Publisher	Turkiye Klinikleri Journal of Medical Sciences
ISSN	13000632