A design of broadband microstrip array antenna based on the cosecant squared beam forming

GAN Xi

1

甘曦(1989-)，男，碩士生，無線通信、陣列天線等

ZHANG Jinling

1

張金玲，女，副教授，主要從事無線短距離通信、智能信息處理、智能交通、微波毫米波通信系統(tǒng)及器件、電磁兼容和生物電子工程等方面的研究工作

ZHENG Zhanqi

2

WAN Wengang

1

ZHU Xingyu

1

1、College of Electronic Engineering,Beijing University of Post and Telecommunication，Beijing,100876

2、Institute of Microelectronics of Chinese Academy of Sciences,Beijing 100029

Abstract：For microstrip antenna with the disadvantage of narrow frequency band, based on the -3dB beam width in height is from 0 to 12 ，-10dB beam width in height is from 12 to 65 , total height coverage is 65 , the center frequency is 9.05GHz cosecant squared beam forming requirements, this paper designed a wide band rectangular microstrip patch antenna array with the cosecant squared beam . The simulation results show that the optimized antenna unit's feeder could effectively improving the bandwidth of the antenna and the array antenna with this unit could achieve precise shaped-beam, it meets the design requirements of the cosecant squared beam forming.The microstrip antenna array can be applied to the design of navigation antenna.

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