一种新型全向高增益印刷天线的设计  

A Novel Omnidirectional High-Gain Printed Antenna

作　　者：于晓乐[1] 倪大宁[1] 吴蕴轩[1] 张福顺[1] 

机构地区：[1]西安电子科技大学天线与电磁散射研究所,陕西西安710071

出　　处：《雷达科学与技术》2006年第4期233-235,共3页Radar Science and Technology

摘　　要：设计了一种新型全向高增益印刷天线。该天线采用平衡微带线作馈线．以印刷振子作为辐射单元，末端采用匹配电路对其输入阻抗进行匹配。用商用软件AnsoftHFSS对天线的特性进行了仿真计算。比较表明，测试结果优于仿真结果。该天线工作在SCDMA频段（1785～1805MHz），其H面不圆度小于1dB，中心频率下增益大于12dB，满足了设计要求。A novel high-gain omni-directional printed antenna is presented. Balanced micro-strip line is utilized as feed line, printed dipole is adopted as radiation element, and a matching network is employed for tuning the input impedance of the antenna. The characteristics of this antenna are calculated by Ansoft HFSS simulation software, and the measured data prove to be better than the simulation results. The novel printed antenna works in the SCDMA band（1785-1805 MHz）, and its gain is greater than 12 dB with small variations（〈1 dB） in H plane. Experimental results demonstrated the good performance of this antenna.

关 键 词：全向高增益天线 印刷天线 偶极子天线 天线设计 

分 类 号：TN821.4[电子电信—信息与通信工程] TN957.2