Cylindrical AESA of microstrip dipols for the ground communication system

2020 International Conference Engineering and Telecommunication (En&T) Pub Date : 2020-11-25 DOI:10.1109/EnT50437.2020.9431246

S. Kondratieva, P. Shmachilin, E. Gadzhiev, E. Ovchinnikova, Alexander Cherkashin, Nguen Dinh To

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Abstract

The article discusses various schemes for constructing antenna systems with wide-angle scanning in the azimuth plane for a ground communication system. It is shown that antennas with spatial arrangement of elements allow increasing the gain. The directivity and frequency characteristics of such antennas are determined. It is shown that at small sizes of the equivalent aperture, there is a small difference in the energy parameters. Preliminary calculations of various schemes for constructing antenna arrays with wide-angle scanning have been carried out. The element base for the manufacture of radiators of a cylindrical antenna array has been determined. Electrodynamic models of microstrip dipole radiators operating in the 9% band have been developed. Parametric optimization of such antennas is performed. A technique for calculating the elements of the antenna array has been developed. The directivity characteristics of dipole radiators and antenna arrays of two elements that make up the sub-array of cylindrical active phased antenna arrays are determined. The influence of the mounting frame on the directivity and matching characteristics is shown. The sublattice design has been optimized to achieve the required matching. A model of a cylindrical antenna array has been developed. Issues of beam formation and control are considered. The characteristics of the directivity and matching of the cylindrical antenna array are determined, considering the influence of the fastening elements and the radome.

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用于地面通信系统的微带偶极子的圆柱形有源相控阵

本文讨论了地面通信系统方位面广角扫描天线系统的各种构造方案。结果表明，元件空间排列的天线可以提高增益。确定了这种天线的指向性和频率特性。结果表明，在等效孔径较小的情况下，能量参数差异较小。对各种广角扫描天线阵列的构造方案进行了初步计算。确定了制造圆柱形天线阵列散热器的元件底座。建立了工作在9%波段的微带偶极子辐射体的电动力学模型。对该类天线进行了参数优化。提出了一种计算天线阵元的方法。确定了组成圆柱有源相控阵子阵的偶极子辐射体和两元天线阵的指向性特性。分析了安装架对指向性和匹配特性的影响。对子格设计进行了优化，以实现所需的匹配。建立了圆柱天线阵的模型。考虑了光束形成和控制问题。考虑固定元件和天线罩的影响，确定了圆柱天线阵的指向性和匹配特性。

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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2020 International Conference Engineering and Telecommunication (En&T)

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