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Ka band Cassegrain monopulse antenna fed by tapered rod antennas

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3 Author(s)
Song-song Qian ; Sch. of Electron. Eng. & Optoelectron. Technol., Nanjing Univ. of Sci. & Technol., Nanjing ; Li Xing-Guo ; Wang Ben-qing

A Ka band Cassegrain monopulse antenna has been designed and measured. The tapered rod antennas are used as the feeds of the Cassegrain antenna because their blockage is small and their bandwidths are very wide. The measurements show that the gain of sum pattern is 28 dBi, the sidelobe levels of the sum pattern are less -15 dB, the null depths of the difference pattern are less then -25 dB and the bandwidth of VSWRz<2 is more than 6.5 GHz.

Published in:

Antennas, Propagation and EM Theory, 2008. ISAPE 2008. 8th International Symposium on

Date of Conference:

2-5 Nov. 2008