紧凑的1至18 GHz平面螺旋天线，用于干涉仪和其他测向应用

2012 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) Pub Date : 2012-10-08 DOI:10.1109/APWC.2012.6324984

D. Baker, J. B. du Toit

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引用次数: 5

摘要

本文讨论了一种用于1 ~ 18 GHz振幅比较和干涉仪测向(DF)应用的小型轻型平面螺旋天线的研制。该天线采用慢波(之字形)螺旋辐射体，其腔直径仅为1ghz波长的68%。双臂螺旋由马尔尚平衡馈电，在几乎整个1至18 GHz频率范围内实现了小于1.5:1的VSWR。螺旋天线以相位和幅度跟踪装置提供，用于宽带DF应用。给出了考虑天线罩和馈电电缆影响的全集成线性干涉仪DF面板的幅度和相位跟踪性能。讨论了在消声室中测量的带脉冲接收器面板的相位DF性能。

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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A compact 1 to 18 GHz planar spiral antenna for interferometer and other direction finding applications

This paper discusses the development of a compact light-weight planar spiral antenna for use in amplitude comparison and interferometer direction finding (DF) applications covering 1 to 18 GHz. The antenna uses a slow-wave (zigzag) spiral radiator which results in a cavity diameter which is only 68% of the wavelength at 1 GHz. The two-arm spiral is fed by a Marchand balun and achieves a VSWR of less than 1.5:1 over almost the entire 1 to 18 GHz frequency range. The spiral antennas are supplied in phase and amplitude tracking sets for wideband DF applications. Amplitude and phase tracking performance for a fully integrated linear interferometer DF panel which includes the radome and feed cable effects are presented. Phase DF performance for the panel with pulse receivers as measured in an anechoic chamber is discussed.

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2012 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)

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