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Novel circularly polarized broadband horn antenna
Author(s): 
Pages: 169-171
Year: Issue:  5
Journal: ELECTRONIC MEASUREMENT TECHNOLOGY

Keyword:  椭圆极化加脊喇叭HFSS;
Abstract: 介绍了一种新型的椭圆极化的加脊宽带喇叭天线.根据天线的性能要求,馈电端口采用了矩一圆转换器,采用圆波导内置介质片实现了辐射电场的圆极化,采用扼流环抑制旁瓣.使用Ansoft公司的HFSS软件仿真了该天线,调整各部分的结构尺寸,使得在7~17 GHz的工作频带范围之内,天线的方向图满足要求,具有比较宽的半功率波瓣宽度,输入端阻抗匹配,驻波比达到最小,具有很高的承受功率.与实际的测量数据相对比,结果基本吻合.
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