摘要
介绍了微带反射阵天线的基本原理,分析了天线设计中阵元单元尺寸和间隔的计算、相位延迟线的选择、基片厚度的选取、误差分析、仿真验证等,根据分析结果提出了低副瓣微带反射阵天线的设计方法。实例测试结果表明,反射阵天线的总体性能接近抛物面天线的性能,易于折叠、携带方便。
The principle of microstrip reflectarray antenna is introduced. The patch size, the distance between the elements, phase - delay line, the thickness of dielectric substrate, the error analysis and simulation are discussed respectively. According to analysis, a design method for low sidelobe microstrip reflectarray antenna is proposed. The test result shows that the reflectarray antenna is easily folded and portable,and its performace is close to that of paraboloid antenna.
出处
《电讯技术》
2008年第9期99-102,共4页
Telecommunication Engineering
关键词
微带天线
反射阵
相位延迟线
低副瓣
microstrip antenna
reflectarray
phase - delay line, low sidelobe