一种高刚重比星载宽频带对数周期天线结构设计  

Structure Design of a High Stiffness to Weight Ratio Satellite-borne Broadband Logaarithmic Periodic Antenna

作　　者：杨永涛 李惟韬 李启明[1] Yang Yongtao;Li Weitao;Li Qiming(The 39th Research Institute of CETC,Xi'an 710065,China)

机构地区：[1]中国电子科技集团公司第39研究所,西安710065

出　　处：《测控与通信》2024年第1期54-57,共4页

摘　　要：根据工程实际要求,设计了1种结构尺寸超大的宽频带星载对数周期天线单元。为了保证天线单元结构及电性能的可靠性,在天线的结构设计上采用了集合线与辐射振子螺接成型和双层环形杆件组合支撑结构的方案,并通过ANSYS软件的多次仿真与结构优化,验证了方案的可行性。最后,天线经过实际环境试验验证,结果表明天线结构设计方案的有效性,天线的结构和电性能指标均能满足工程指标要求。According to the actual engineering requirements,a wideband spaceborne log-periodic antenna element with very large structure size has been designed.In order to ensure the reliability of the structure and electrical performance of the antenna element,in the structure design of the antenna,the assembly line and radiation oscillator are screwed formed and a double-layer ring-member combination support scheme is adopted,and the feasibility of the component is verified by multiple simulation and structural optimization of ANASYS software.Finally,the antenna is verified by environmental test,the results show that the antenna structure design scheme is effective,and the antenna structure and electrical performance can meet the requirements of engineering indexes.

关 键 词：对数周期天线 宽频带 环境试验 

分 类 号：TN8[电子电信—信息与通信工程]