可调多线螺旋天线，降低扫描频率

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010) Pub Date : 1999-07-11 DOI:10.1109/APS.1999.789060

P. E. Chadwick, R. Butland, R. Vaughan

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引用次数: 0

摘要

描述了一种可调的“扫描模式”多线螺旋天线，其扫描频率降低。该天线是为澳大利亚移动卫星系统设计的，工作频率约为1.6 GHz。所描述的设计特点是中心馈电布置，这表明在这种类型的天线中大大减少了频率扫描。本文还介绍了一种新的机械调节技术，该技术可以使天线的主波束倾斜。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Adjustable multifilar helical antenna with reduced frequency scanning

An adjustable "scanning mode" multifilar helical antenna with reduced frequency scanning is described. The antenna was designed for the Australian Mobile Satellite System, operating at about 1.6 GHz. The design described features a centre-fed arrangement, which is shown to substantially reduce frequency scanning in this type of antenna. A novel mechanical adjustment technique is also described, which allows the main beam of the antenna to be tilted.

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来源期刊

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)

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