2012•Unpublished venueRequires access

Linear array of 2×2 dual-polarized x-band microstrip patch sub arrays for off-the-grid radar array antenna

Pallavi Sharma, Rafael A. Rodríguez–Solís

Abstract

The design of 1×15 linear array made up of 2×2 dual-polarized microstrip sub arrays elements is presented. The linear array forms the basis of a planar array to be used for the CASA Off-the-Grid radar system. Sub array amplitude tapering is used to reduce side lobe levels. Simulation results for a 15-element linear array with Taylor amplitude distribution demonstrate a gain of 20dBi, 3 dB beamwidth of 10 degrees with cross-polarization levels of 60 dB at broadside.

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Available abstract

Key concepts: Collinear antenna array, Beamwidth, Planar array, Microstrip antenna, Reflective array antenna, Tapering, Antenna array, Array gain