天线阵列窄带/宽带解耦网络与激励分配控制

K. Nishimoto, Hidetoshi Makimura, T. Yanagi, Y. Nishioka, N. Yoneda, H. Miyashita
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引用次数: 3

摘要

在本文中,我们提出了天线阵列的窄带/宽带解耦网络。该窄带解耦网络仅由集总元组成,推导了适用于任意双元天线阵列的设计方程。此外,我们还讨论了应用该网络时天线单元的激励分布。宽带去耦网络由定向耦合器、传输线和并联谐振电路组成。该网络对天线频率依赖性强的耦合是有效的,并给出了设计方法。采用窄带/宽带解耦网络设计了双元天线阵列,并验证了该网络的有效性。
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Narrowband/wideband decoupling networks for antenna arrays and excitation ditribution control
In this paper, we present narrowband/wideband decoupling networks for antenna arrays. The narrowband decoupling network is composed of only lumped elements, and the design equations that are valid for arbitrary two-element antenna arrays are derived. Moreover, we discuss the excitation distribution of the antenna elements when this network is applied. The wideband decoupling network consists of directional couplers, a transmission line, and a parallel resonant circuit. This network is effective for strongly frequency-dependent antenna coupling, and the design method is derived. We design two-element antenna arrays with the narrowband/wideband decoupling networks and confirm the validity of these networks.
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