摘要
针对圆锥形导引头内部装载天线导致的载体空间不足的问题,提出了一种应用于主频率1.575 GHz的卫星定位通信系统的共形四臂圆锥螺旋天线。采用平面天线微带形式,将圆锥对数螺旋天线围绕在圆锥形导引头外部,减少圆锥形导引头内部占用空间;所设计的天线共设置4条相同的螺旋辐射贴片,并通过馈电匹配网络实现圆极化。经测量,该天线具有良好的性能,在轴比为2.5 dB,测试方向±60°范围内,最大增益为5 dB,且完全节省圆锥形导引头内部天线占用的空间。
In order to solve the problem of insufficient carrier space caused by the antenna loaded inside the conical seeker,the conformal four arm conical spiral antenna which applied to the main frequency of 1.575 GHz satellite positioning communication system was designed.A planar microstrip antenna is used to surround the conical logarithmic spiral antenna outside the conical seeker for reducing the inner space occupied by the conical seeker.The designed antenna is equipped with four identical spiral radiation patches,and circular polarization is realized by feeding matching network.The measurement shows that the antenna has good performance,when the axial ratio is 2.5 dB,the test direction±60°,the maximum gain is 5 dB,and the space occupied by the antenna inside the conical seeker is completely saved.
作者
申巍
王森
张利剑
杨昊
王西香
雷蕾
SHEN Wei;WANG Sen;ZHANG Lijian;YANG Hao;WANG Xixiang;LEI Lei(Electric Power Research Institute,State Grid Shaanxi Electric Power Company,Xi’an 710100,China;School of Electronics and Information,Xi’an Polytechnic University,Xi’an 710048,China;Shaanxi Pilot Power Technology Co.Ltd,Xi’an 710100,China)
出处
《西安工程大学学报》
CAS
2021年第3期54-59,共6页
Journal of Xi’an Polytechnic University
基金
国网公司科技项目(5226SX18000F)
国家自然科学基金项目(52007138)。
关键词
圆锥螺旋天线
圆极化
导引头
卫星定位通信
onical spiral antenna
circular polarization
seeker
satellite positioning communication
