An Approximate Circuit Model to Analyze Microstrip Rampart Line in OSB Suppressing

IEEE Access

卷:7

Shaoyong Zheng¹  Yuanxin Li¹  Yunliang Long¹  Sizhuo Cheng¹  Zhixi Liang¹ 

[1] School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China;

关键词: Periodic structure;    open-stopband elimination;    leaky wave antenna;   

DOI  :  10.1109/ACCESS.2019.2926510

来源: DOAJ

【 摘 要 】

An approximate circuit model to analyze microstrip rampart line in open-stopband (OSB) suppressing is presented. The proposed antenna consists of periodically orthogonally bending microstrip transmission line, and the widths of two transversal lines are adjusted to match the input impedance of the unit cell to the characteristic impedance of the transmission line. The approximate circuit model is presented to analyze the behavior of the PLWA. The prototype antenna shows a seamless frequency scanning from 3.7 to 6.8 GHz with a scanning range of 118° from the backward to forward quadrant. The simulation and measured results have demonstrated that the OSB is successfully suppressed in the improved case.

【 授权许可】

Unknown