Subjects: Geosciences >> Space Physics submitted time 2017-03-10
Abstract：提出了一种单层的具有多谐振结构的微带反射阵单元,利用HFSS对其反射相位特性进行仿真分析，获得了约430°的反射相位动态范围，并且反射相位曲线的线性度较好。根据此单元设计了一个工作在Ku波段的微带反射阵，用指数渐变槽线（Vivaldi）天线作为该反射阵的馈源。仿真结果表明，在中心频率处增益可达27.1dB，半功率波瓣宽度均为4.96°，在12GHz-15.5GHz的频带内增益波动约2dB，具有较宽的频带。将此Vivaldi天线和反射阵天线进行加工测试，得到的测试结果与仿真结果吻合的较好。
Peer Review Status:
Awaiting Review
Subjects: Geosciences >> Space Physics submitted time 2017-03-10
Abstract：该文提出一种新型的具有多谐振结构的单层微带反射阵单元，是由六个振子以一定的间隔平行放置组合而成，该单元具有良好的线极化特性，采用高频电磁仿真软件HFSS对单元的各个参数进行优化分析，使得单元的反射相位曲线在两个频段内均具有良好的线性度。根据此单元设计了一个工作在X/Ku波段的偏馈双频双极化微带反射阵天线，在两个频段内采用同一个角锥喇叭天线作为其馈源。将此反射阵天线进行加工并测试，测试结果表明，在X波段中心频率10GHz和Ku波段中心频率13.58GHz处，天线均具有良好的辐射性能。实测和仿真结果吻合的较好，证明了该反射阵天线具有良好的双频辐射性能。该文的设计对于微带反射阵列天线实现双频双极化性能来说具有重要的参考价值。
Peer Review Status:Awaiting Review
Subjects: Geosciences >> Space Physics submitted time 2016-05-03
Abstract： A novel single layer microstrip reflectarray element with multi-resonance structure is proposed in this paper.HFSS soft ware is used to analyze the reflect phase for the designed element.About 430皉eflect phase range is obtained with the reflect phase curve nearly linear.A microstrip reflectarray composed of the proposed element is designed for Ku band and a Vivaldi antenna is used as the feed.The results indicate that the gain reaches 27.1 dB at the center frequency,and the half power beamwidth is 4.96�The gain changes less than 2 dB in the range of 12~15.5GHz,which shows that the reflectarray has wide band.The Vivaldi antenna and the reflectarray is manufactured and tested,and a well coincide is obtained between the simulation results and the test results.
Peer Review Status:Awaiting Review
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