一种Ka频段超低交叉极化宽频带波纹喇叭天线
发布时间：2019-05-14 09:14
【摘要】：波纹喇叭天线是一种结构紧凑、具有良好辐射性能的馈源天线,特别是轴向槽波纹喇叭天线可以在宽频段内实现极低的交叉极化,对扩展工作频段、实现极化复用有重要的价值。文章对轴向槽波纹喇叭天线的设计方法进行了研究,利用模式匹配法和全波算法软件设计了一种Ka频段超低交叉极化宽频带轴向槽波纹喇叭天线。实测数据表明,该喇叭天线工作频段可覆盖整个Ka频段(26.5~40 GHz),在频段内回波损耗小于-20 d B、交叉极化小于-45 d B,同时天线具备良好的方向图对称性和相位中心稳定性,在卫星通信领域具有广阔的应用前景。
[Abstract]:The wavy horn antenna is a kind of feed antenna with compact structure and good radiation performance, especially the axial slot bellows antenna can achieve very low cross-polarization in the wide frequency band, and to extend the working frequency band, It is of great value to realize polarization reuse. In this paper, the design method of axial slot corrugated horn antenna is studied, and a Ka band ultra-low cross polarization broadband axial slot horn antenna is designed by using mode matching method and full wave algorithm software. The measured data show that the working frequency band of the horn antenna can cover the whole Ka band (26.5 鈮，
本文编号：2476594
[Abstract]:The wavy horn antenna is a kind of feed antenna with compact structure and good radiation performance, especially the axial slot bellows antenna can achieve very low cross-polarization in the wide frequency band, and to extend the working frequency band, It is of great value to realize polarization reuse. In this paper, the design method of axial slot corrugated horn antenna is studied, and a Ka band ultra-low cross polarization broadband axial slot horn antenna is designed by using mode matching method and full wave algorithm software. The measured data show that the working frequency band of the horn antenna can cover the whole Ka band (26.5 鈮，
本文编号：2476594
本文链接：https://www.wllwen.com/kejilunwen/xinxigongchenglunwen/2476594.html
