CST – Computer Simulation Technology

A Computer Aided Approach for Designing Very Low Sidelobe Triplate Dipole Array For Multi Beam Antenna System
Ms. Preeti Dongaonkar, Ms. Shubha Elizabeth Avirah, Dr. A.K.Singh
1st January 0001
Low Sidelobe level, Multibeam Antenna, Triplate Dipole
A Multibeam Antenna for 3-D surveillance Radar requires Cosecant Squared beam in elevation to extend the Radar coverage to high elevation angles, and a narrow beam with very low sidelobe level in Azimuth to avoid Jamming and to get better Clutter performance. Present paper describes a computer-aided design of a Linear Array in S-band, with stripline power divider fed Triplate Dipole as antenna element. The antenna has peak power handling capability of more than 15 Kw with a peak sidelobe level of the order of –31 dB or less.

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