Title :
Ka band Cassegrain monopulse antenna fed by tapered rod antennas
Author :
Song-song Qian ; Li Xing-Guo ; Wang Ben-qing
Author_Institution :
Sch. of Electron. Eng. & Optoelectron. Technol., Nanjing Univ. of Sci. & Technol., Nanjing
Abstract :
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.
Keywords :
antenna feeds; monopole antennas; reflector antennas; Ka band Cassegrain monopulse antenna; antenna fed; tapered rod antennas; Antenna feeds; Antenna measurements; Bandwidth; Electromagnetic waveguides; Gain measurement; Horn antennas; Microstrip antenna arrays; Microstrip antennas; Radar detection; Reflector antennas; Cassegrain antenna; Ka band; monopulse antenna; tapered rod antenna;
Conference_Titel :
Antennas, Propagation and EM Theory, 2008. ISAPE 2008. 8th International Symposium on
Conference_Location :
Kunming
Print_ISBN :
978-1-4244-2192-3
Electronic_ISBN :
978-1-4244-2193-0
DOI :
10.1109/ISAPE.2008.4735134
