A Dual-Polarized Phased-Array Antenna Based on Single Ridge Slotted Waveguide Array

Yuhui Ren, Ke Li, Fuwei Wang, Handong Wu, Yang Zhang, Long Li, Long Li
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引用次数: 0

Abstract

A novel 1D dual-polarized phased-array antenna based on single ridge slotted waveguide array is presented in this letter. The antenna works at X-band, and it is comprised of sixteen alternately arranged broad-wall and ridgewall slotted array. A series of slots with different parameters are inserted in the broad-wall or the ridge-wall of a single ridge waveguide. They can radiate horizontally polarized and vertically polarized electromagnetic wave respectively. Because single ridge waveguide is relatively small in size compared to rectangular waveguide at the same operating frequency, the spacing of array element is reduced and the scanning angle of array is greatly increased. Simulated results show that the maximum scan angle of the proposed antenna is 30°. Furthermore, with Taylor distribution used for weighting, its side lobe level is less than -27 dB in another dimension.
基于单脊开槽波导阵列的双极化相控阵天线
本文提出了一种基于单脊开槽波导阵列的新型一维双极化相控阵天线。该天线工作在x波段,由16个宽壁和脊壁交替布置的槽阵组成。在单个脊波导的宽壁或脊壁中插入一系列不同参数的槽。它们分别辐射水平极化和垂直极化的电磁波。由于在相同工作频率下,单脊波导相对于矩形波导尺寸较小,因此减小了阵列元件的间距,大大增加了阵列的扫描角度。仿真结果表明,该天线的最大扫描角为30°。此外,采用泰勒分布加权,其旁瓣电平在另一个维度小于- 27db。
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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