有限空间下贴窗八木天线的设计与制作  

Design and Fabrication of Yagi Antenna with Window under Limited Space

作　　者：褚国祯 田中 申德敏 Chu Guozhen;Tian Zhong;Shen Demin(Yanzishan Transmitting Station,Shandong Radio and Television Station,Shandong 250014,China)

机构地区：[1]山东广播电视台燕子山发射台,山东250014

出　　处：《广播与电视技术》2023年第10期103-105,共3页Radio & TV Broadcast Engineering

摘　　要：为了提高信号接收场强,本文制作了四单元八木天线,天线用胶带固定在窗户的玻璃上,可大幅改善监听效果。安装到位的天线实测提高增益约8d B,输出阻抗约50Ω,与同轴线链接无需特殊匹配。To improve the signal receiving field strength,a four element Yagi antenna is made,and the antenna is fixed on the glass window with adhesive tape.The measured gain of the antenna installed in place is about 8dB higher,and the output impedance is about 50Ω.No special matching is required for the connection with the coaxial cable.

关 键 词：八木天线 增益 输出阻抗 方向图 

分 类 号：G220[文化科学]