传输线在宽带匹配中的应用  

Applications of Transmission Line in Broadband Matching

作　　者：吴广德[1] 傅光[1] 

机构地区：[1]西安电子科技大学天线与电磁散射国家重点试验室,陕西西安710071

出　　处：《电子科技》2007年第2期12-14,18,共4页Electronic Science and Technology

摘　　要：提出了一种宽带匹配网络设计的新思路。文中以任意输入阻抗的匹配为分析模型,详细分析了传输线在宽带匹配中的各种应用,并从宏观角度定性分析了传输线在阻抗匹配中的应用原理。在此基础上分析设计了一副工作在30～88 MHz频段、电压驻波比小于3．0的实用单极子天线,其实测结果良好地满足了要求。A novel method is proposed for designing broadband matching network in this paper. Applications of transmission line in broadband matching are analyzed in this paper, based on the model of arbitrary impedance matching. Then the impedance matching theory of transmission line is studied qualitatively from the angle of macroscopic. In the end, a practical monopole antenna with the VSWR less than 3.0 in 30-88MHz frequency band is designed according to the analysis above, and the measurement results are in good agreement with the simulation results.

关 键 词：传输线 宽带匹配网络 单极子天线 阻抗匹配 

分 类 号：TN811[电子电信—信息与通信工程]