%0 Journal Article
%T Ka频段超宽带双圆极化低剖面相控阵天线<br>Ka-Band UWB Dual Circularly Polarized Phased Array Antenna with Low Profile
%A 张文杰
%A 李航
%A 高峰
%A 郭萌
%A 董妮妮
%A 田烨
%A 陈璐
%J Journal of Antennas
%P 31-42
%@ 2325-2243
%D 2020
%I Hans Publishing
%R 10.12677/JA.2020.93004
%X 随着近年低轨卫星星座的兴起，相控阵天线受到广泛关注。在此背景下本文设计了一种工作于Ka频段的相控阵天线，其阵元采用微带天线的形式。与传统超宽带阵元多采用振子天线的方法相比，本设计采用常见的微带天线，具有加工简单、低剖面易集成、双极化等显著优点。通过测试可知：该天线驻波小于2的带宽为43%，辐射效率大于85%的带宽为43%，具有较好的阻抗特性和辐射特性，本工作具有一定的创新性和工程实践意义。<br />
With the rise of LEO Satellite Constellation in recent years, phased array antenna has attracted much attention. In this paper, a Ka-band phased array antenna is designed. The array element uses the form of micro-strip antenna. The antenna has the characteristics of ultra-wideband, dual circular polarization, low-profile and high radiation efficiency. Compared with the traditional ul-tra-wideband array element which mostly uses the dipole antenna, the micro-strip antenna is used in this design. It has the advantages of simple processing, easy integration of low profile. According to the test, the bandwidth with the VSWR less than 2 is 46% and the bandwidth with radiation efficiency greater than 85% is 43%. So, this work has innovation and meaning for engineering practice.
%K 相控阵天线，超宽带，双圆极化，低剖面，阵列综合<br>Phased Array Antenna
%K Ultra-Wideband
%K Dual Circular Polarization
%K Low-Profile
%K Array Synthesis
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=36889