一种H形槽耦合的Ku波段宽频带微带天线-硬件和射频工程师.PDF

5 Vol.3 No.5 2005 10 Radar Sci ence and Tec hnol ogy October 2005 * H Ku , , , ( , 710071) : 提出了一种 Ku 波段的新型宽频带微带天线, 改进了 H 形槽耦合微带天线的结构, 在辐射贴 片和反射 上均开H 形槽以展宽工作频带用商业应用软件 IE3D 对天线电特性进行仿真计算, 并制作了 实验模型实验测量结果与理论仿真结果吻合良好, 其电压驻波比( VSWR) 小于 2 的阻抗带宽达到了 27.4%,交叉极化电平小于- 20dB : 微带天线; 宽频带; H 形槽 :T N828.5 : : 1672-2337(2005)05-0317-04 A Wideband H- Shaped Aperture- Coupled Microstrip Antenna at Ku-Band W NG Ze-mei, P N Xue-ming, Y N Ze-hong, ZH NG Xiao-miao (Research Institute of A ntennas and EM Scattering, X idian University, X ipan 710071, China) Abstract: novel wideband Ku-band microstrip antenna by embedding an H-slot in the radiation patch and the ground plane is presented. The H-shaped aperture-coupled H-slot patch antenna is developed as an aperture-coupling structure, and is used to improve impedance bandwidth. The proposed antenna is analyzed by using the simulator IE3D. The measured results agreewell with the simulated results. bandwidth about 27.4% for VSWR less than 2B 1 and cross polarization less than - 20dB are obtained. Key words: microstrip antenna; wideband; H-shaped aperture 21.7% [ 8] [9] ,, 1 , , , H [ 1~ 3] , , H , Ku , IE3D , Vivek 13. 5