【作者】 王颖飞； 张金玲； 张小青； 段立凤； 田振峰； 宋毅；

【Author】 WANG Yingfei;ZHANG Jinling;ZHANG Xiaoqing;DUAN Lifeng;TIAN Zhenfeng;SONG Yi;Beijing University of Posts and Telecommunications;

【机构】 北京邮电大学；

【摘要】 本文设计了一款可应用于W波段穿墙雷达系统的介质透镜天线,以圆锥喇叭为馈源,通过优化设计介质透镜结构参数实现波束聚焦,实现高增益、窄波束特征。该介质透镜天线仿真结果为S₁₁优于-14 dB,带宽大于6GHz,增益达到40 dBi,波束宽度小于1.2°,副瓣电平优于-39 dB,测试结果与仿真设计吻合度好,在W波段内电压驻波比均优于1.5。更多还原

【Abstract】 In this paper,a dielectric lens antenna that can be applied to W-band through-wall radar system is designed,and beam focusing is achieved by optimizing the structural parameters of the dielectric lens to achieve high gain and narrow beam characteristics by optimizing the design of dielectric lens structural parameters.The simulation results of the dielectric lens antenna are that S₁₁ is better than-14 dB,the bandwidth is greater than 6 GHz,the gain reaches 40 dBi,the beam width is less than 1.2°,the secondary lobe level is better than-39 dB,the test results are in good agreement with the simulation design,and the voltage standing wave ratio is better than 1.5 in the W band.更多还原