S. Nandigama, D. Krishna, V. M. Pandharipande, T. Pal, B. Prasad
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A W-band Compact Dual Reflector Cassegrain antenna for Monopulse Tracking Radar
A W-band compact Dual Reflector Cassegrain antenna with high gain, pencil beam and good sidelobe level has been designed using High Frequency Structure Simulator (HFSS) IE software. The proposed antenna consist of a Main reflector, Sub reflector and a Feed all together joined with a support structure made of Aluminum. Simulated and Experimental measured results for various antenna parameters show a very good agreement. Effect of support structure has also been studied and optimized to minimize the effect on electrical properties of the antenna.
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