一种宽带圆极化介质半球面螺旋天线

J4 ›› 2009, Vol. 36 ›› Issue (3): 524-526.

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Novel broadband circular-polarized dielectric hemispherical helical antenna

ZHANG Hou¹;GONG Shu-xi²;XIA Dong-yu³

(1. Missile Inst. of Air Force Eng. Univ., Sanyuan 713800， China;
2. Research Inst. of Antenna and EM Scatterng, Xidian Univ., Xi'an 710071， China;
3. P.O.Box 2866, Beijing 100085， China)

Received:2008-10-12 Revised:2008-11-06 Online:2009-06-20 Published:2009-07-04
Contact: ZHANG Hou E-mail:warmer88@163.com

Abstract

Abstract:

A novel bifilar constant-angle dielectric hemispherical helical antenna is developed. Its radiation properties are analyzed by the moment method with the curved basic and testing function, the curves of VSWR, polarization and pattern vs. frequency are presented, respectively. The calculated and measured results show that within the range of 800 MHz~2 600 MHz VSWR is less than 2, that AR is less than 3 dB, and that the relative bandwidth reaches 106％.

Key words: broadband, MOM, circular-polarization, helical antenna, dielectric

CLC Number:

TN823

ZHANG Hou1;GONG Shu-xi2;XIA Dong-yu3. Novel broadband circular-polarized dielectric hemispherical helical antenna[J].J4, 2009, 36(3): 524-526.

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Novel broadband circular-polarized dielectric hemispherical helical antenna

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