一种平面等角螺旋天线的设计与应用  

Design and Application of A Planar Equiangular Spiral Antenna

作　　者：任强[1] 林曙光[1] 陈淅澄 

机构地区：[1]中国电波传播研究所青岛分所,青岛266107

出　　处：《中国电子科学研究院学报》2015年第3期269-273,共5页Journal of China Academy of Electronics and Information Technology

摘　　要：设计了一种用于步进频率探地雷达的平面等角螺旋天线,解决了探地雷达天线的超宽频带和小型化问题;圆极化波经过目标反射后,旋向相反,因此,发射和接收天线分别采用左旋圆极化和右旋圆极化方式,这种方式同时也提高收发天线的隔离度。经过天线仿真设计后,试制了左旋和右旋极化的收发天线,并通过参数测量和探测试验验证了其应用有效性。A planar equiangular spiral antenna used for stepped frequency GPR（Ground Penetrating Radar）is designed,solving the problems on ultra wide band and miniaturization of antenna used in GPR and improving the isolation between transmitting and receiving antenna with left-hand and right-hand circular polarization mode. After the antenna simulation design,trial production of left-handed and right-handed circularly polarized antenna are produced,whose applied validity is demonstrated by the measurement and test.

关 键 词：探地雷达 螺旋天线 圆极化 收发天线隔离度 

分 类 号：TN804[电子电信—信息与通信工程]