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Antenna Developments for Military Applications

机译：军事应用的天线发展

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摘要

A review of current, past and projected activities in antenna development indicates a broad spectrum of requirements, and subsequently a variety of innovations to meet these requirements for military radar and communications systems. Designing the antennas in the operating environment, known as in-situ design, is an important factor in guaranteeing the successful operation of the antenna in the field. This paper presents the basic blocks in antenna development, followed by examples of some antennas developed at the Army Research Laboratory for military systems and applications. These include Rotman lenses as beam formers for electronically scanning arrays; phased arrays using MEMS phase shifters at 30 GHz; a 76-GHz narrow beam, low-sidelobe antenna for collision avoidance radar; and other specialized antennas. Of special interest is an effort on developing and using metamaterials in antenna designs, where practical realizations of such materials have the potential of improving the performance and reducing the size of antennas.
机译：对天线开发的当前，过去和计划中的活动进行的回顾表明，存在广泛的要求，随后提出了各种创新以满足军事雷达和通信系统的这些要求。在工作环境中设计天线（称为原位设计）是确保天线在现场成功运行的重要因素。本文介绍了天线开发的基本模块，然后列举了陆军研究实验室为军事系统和应用开发的一些天线示例。其中包括Rotman透镜，作为电子扫描阵列的光束形成器；使用30 GHz MEMS移相器的相控阵;用于避撞雷达的76 GHz窄波束低旁瓣天线；和其他专用天线。特别感兴趣的是在天线设计中开发和使用超材料的努力，其中这种材料的实际实现具有改善性能和减小天线尺寸的潜力。

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