机动中波天线技术研究  

Research on Mobile Medium Wave Antenna Technology

作　　者：孟凡涛[1,2] 冯玉梅 Meng Fantao;Feng Yumei(Radio,Film&TV Design and Research Institute Co.Ltd.,Beijing 100045,China;Electromagnetic Environment Research and Testing Laboratory of National Radio Television Administration,Beijing 100045,China)

机构地区：[1]中广电广播电影电视设计研究院有限公司,北京100045 [2]电磁环境研究与测试国家广播电视总局实验室,北京100045

出　　处：《广播与电视技术》2024年第5期98-101,共4页Radio & TV Broadcast Engineering

摘　　要：本文提出了利用机动升降塔作为支撑,搭载轻型导电缆绳作为中波天线发射体,解决了传统中波单塔天线受高度、重量、对地绝缘等因素制约难以实现机动的问题。该机动天线可采用拖车进行运输,方便架设,可实现大功率、高效率的本地覆盖或天波覆盖,是中波天线解决机动、高效问题的创新技术,在中波应急广播领域具有一定的推广应用价值。This paper proposes the use of motorized lift tower as the support,carrying light conductive cable as the medium-wave antenna transmitter,which solves the problem that the traditional medium-wave single tower antenna is difficult to achieve mobility due to the constraints of height,weight and insulation to ground.The motorized antenna can be transported by trailer,which is convenient to erect,and can realize high power and high efficiency local coverage or skywave coverage,which is an innovative technology for medium wave antenna to solve the problem of mobility and high efficiency,and has certain promotion and application value in the field of medium wave emergency broadcasting.

关 键 词：缆绳发射体 驻波比 升降塔 匹配 

分 类 号：TN822.2[电子电信—信息与通信工程]