一种用于多模射频传感的宽带电子扫描天线

Proceedings of the 1999 IEEE Radar Conference. Radar into the Next Millennium (Cat. No.99CH36249) Pub Date : 1999-04-20 DOI:10.1109/NRC.1999.767305

Phuong Phu, R. Dahlstrom, B. Scheiner, E. Adler, J. Lilly

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引用次数: 3

摘要

基于罗特曼透镜波束形成器的宽带电子扫描天线(ESA)已被开发用于共享孔径应用。罗特曼透镜的主要特点是，它允许多个光束同时在不同的方向和不同的频率传输。由于罗特曼镜头是一个真正的延时元件，它固有的宽带和天线的其他组件被设计为支持8至18 GHz的带宽。在ESA中，罗特曼透镜的输入信号由PIN二极管波束开关网络控制，输出信号被馈送到二维维瓦尔第凹口阵列。对ESA的性能进行了表征，并给出了结果。

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A wide-bandwidth electronic scanning antenna for multimode RF sensing

A wide-bandwidth electronic scanning antenna (ESA), based on a Rotman lens beam-former, has been developed for shared aperture applications. The key feature of the Rotman lens is that it allows multiple simultaneous beams to be transmitted in different directions and at different frequencies. Since the Rotman lens is a true time-delay element, it is inherently wide-bandwidth and other components of the antenna were designed to support a bandwidth of 8 to 18 GHz. In the ESA, the input signal to the Rotman lens is controlled by a PIN diode beamswitching network, and the outputs are fed to a two-dimensional array of Vivaldi notches. The ESA performance is characterized, and the results is presented.

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Proceedings of the 1999 IEEE Radar Conference. Radar into the Next Millennium (Cat. No.99CH36249)

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