天线高度对中波发射效果的影响及适配改造实践  

The Influence of Antenna Height on Medium Wave Transmitting Effect and the Practice of Adaptation

作　　者：王一凡 Wang Yifan(Dezhou Medium Wave Relay Station,Shandong 253000,China)

机构地区：[1]德州中波转播台,山东253000

出　　处：《广播与电视技术》2023年第1期80-83,共4页Radio & TV Broadcast Engineering

摘　　要：本文通过分析中波广播的实际发射效果,对天线输入阻抗与桅杆天线高度的关系进行了研究,提出了一种降低天线高度进而提高高频段发射网络阻抗匹配度,提升中波信号有效发射半径、改善信号接收强度的方法。By analyzing the actual transmitting effect of medium wave broadcasting,this paper studies the relationship between input impedance and the height of the antenna.We propose a method to reduce the height of antenna,improve the impedance matching of the high frequency transmitting network,enhance the effective transmitting radius of medium wave signals,and improve the signal reception strength.

关 键 词：中波广播 天线高度 阻抗匹配 

分 类 号：TN935.1[电子电信—信号与信息处理]