基于Ansoft HFSS 的四臂螺旋天线设计Quadrifilar Helix Antenna .PDF
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ANSYS 2011 中国用户大会优秀论文
基于Ansoft HFSS 的四臂螺旋天线设计
蔺炜 褚庆昕
华南理工大学电子与信息学院天线与射频技术研究所,邮编510640
[ 摘 要 ] Ansoft HFSS 是世界上第一个商业化的三维结构电磁场仿真软件,可分析仿真任意三维无
源结构的高频电磁场,可直接得到特征阻抗、传播常数、S 参数及电磁场、辐射场、天线方向
图等结果。该软件广泛应用于无线和有线通信、计算机、卫星、雷达、半导体和微波集成电路、
航空航天等领域,是研究及设计人员的首选。随着我国卫星导航定位需求的增加,研究工作于
北斗系统的全双工圆极化天线有着十分重要的意义。其中,四臂螺旋天线可以获得性能优良的
圆极化半球波束以及紧凑的结构和优良的环境适应性, 使它在卫星定位系统中有着广泛的应
用。本文介绍了基于 Ansoft HFSS 软件的圆极化四臂螺旋天线的建模,仿真,结果提取等应
用。给出了四臂螺旋天线详细的仿真步骤并介绍了该类天线在建模中的一些技巧,为 Ansoft
HFSS 软件的初学者以及天线设计研究人员提供实例参考。
[ 关键词 ] Ansoft HFSS, 电磁场仿真, 四臂螺旋天线
Quadrifilar Helix Antenna Design Based on Ansoft HFSS
Wei Lin and Qing-xin Chu
School of Electronic and Information Engineering, South China University of Technology
Guangzhou, Guangdong, China, 510640
[ Abstract ]
Ansoft HFSS is the worlds first commercial electromagnetic field simulation software of
three-dimensional structure which can analyze any three-dimensional passive high-frequency
electromagnetic field structure. Results such as characteristic impedance, propagation constant,
S-parameters and electromagnetic fields, radiation antenna pattern can be obtained directly, etc. The
software is widely used in wireless and wired communications, computers, satellites, radar, and
microwave integrated circuit semiconductor, aerospace and other fields, and it is the first choice of study
and design. With Chinas increasing demand for satellite navigation and positioning, research work of
circular polarized antenna in the Beidou satellite system has important significance. Among them,
quadrifilar helix antenna with excellent performanc
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