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2009-10-03

Method for Broadening the Beamwidths of Crossed Dipole for Wideband Marine GPS Applications

By Yun-Fei Wei, Bao-Hua Sun, Chao Shi, Shi-Gang Zhou, Wei-Ji Huang, and Qi-Zhong Liu
Progress In Electromagnetics Research Letters, Vol. 12, 31-40, 2009
doi:10.2528/PIERL09090303

Abstract

In this paper, a method to broaden the beamwidths of a crossed dipole antenna is proposed. By introducing four parasitic strips around the crossed dipole antenna, the beamwidths of the crossed dipole antenna in the vertical plane are broadened effectively, making the patterns uniform over a wide frequency band. An L-band prototype, operating in the frequency range from 1.1 GHz to 1.6 GHz, is fabricated and tested. The simulated and measured results show that the beamwidths at lower frequencies are broadened and uniform radiation patterns over the whole operating frequency band are obtained, making the crossed dipole suitable for wideband marine GPS (Global Positioning System) applications.

Citation


Yun-Fei Wei, Bao-Hua Sun, Chao Shi, Shi-Gang Zhou, Wei-Ji Huang, and Qi-Zhong Liu, "Method for Broadening the Beamwidths of Crossed Dipole for Wideband Marine GPS Applications," Progress In Electromagnetics Research Letters, Vol. 12, 31-40, 2009.
doi:10.2528/PIERL09090303
http://www.jpier.org/PIERL/pier.php?paper=09090303

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