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首页> 外文期刊>Smart Materials & Structures >A frequency agile stacked annular ring microstrip antenna using a Gunn diode
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A frequency agile stacked annular ring microstrip antenna using a Gunn diode

机译：使用Gunn二极管的频率捷变堆叠环形环形微带天线

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摘要

In this paper, an analysis of a Gunn loaded stacked annular ring microstrip antenna is presented using a circuit concept. Consequently, various parameters such as input impedance, voltage standing wave ratio, return loss, band width, radiation pattern, and beam width of the antenna are evaluated as a function of bias voltage for different threshold values. It is found that the operating frequency of the Gunn loaded stacked patch is controllable with the bias voltage. The band width of the Gunn loaded stacked patch is improved to 11.61% as compared to the 9.16% band width of the stacked patch in addition to there being better matching and wider tunability. The radiated power and beam width of the stacked patch are also enhanced by loading a Gunn diode with it.
机译：在本文中，使用电路概念对耿氏负载的堆叠式环形微带天线进行了分析。因此，对于不同的阈值，各种参数（例如输入阻抗，电压驻波比，回波损耗，带宽，辐射方向图和天线的波束宽度）将作为偏置电压的函数进行评估。可以发现，耿氏负载的堆叠式贴片的工作频率可通过偏置电压控制。相较于堆叠式贴片的9.16％带宽，耿氏加载的堆叠式贴片的带宽提高到11.61％，此外还具有更好的匹配性和更宽的可调性。堆叠的贴片的辐射功率和光束宽度也可以通过在其上安装耿氏二极管来提高。

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