基于中波PDM发射机的天调网络优化研究  

Optimization of Sky Tuning Network Based on Medium Wave PDM Transmitter

作　　者：邱常德 QIU Changde(Guangdong Heping Zhongbo Broadcasting Station,Heyuan 517200,China)

机构地区：[1]广东省和平中波转播台,广东河源517200

出　　处：《电视技术》2024年第9期175-177,共3页Video Engineering

摘　　要：随着广播技术的不断进步,中波脉冲宽度调制(Pulse Duration Modulation,PDMP)发射机的天调网络优化成为提升广播质量的关键。介绍天调网络的构成和工作原理,分析其基础架构设计。在此基础上,对发射机与天调网络进行协同优化,以提升网络性能。另外,提出阻抗匹配优化和抗干扰能力强化两大策略,以提高天调网络应对复杂电磁环境的能力。With the development of broadcasting technology,the optimization of mid-wave Pulse Duration Modulation(PDMP)transmitter has become the key to improve broadcasting quality.This paper introduces the structure and working principle of sky tuning network and analyzes its infrastructure design.On this basis,the transmitter and the sky tuning network are optimized to improve the performance of the network.In addition,two strategies of impedance matching optimization and anti-interference strengthening are proposed to improve the ability of the network to cope with the complex electromagnetic environment.

关 键 词：中波发射机 天调网络 信号传输 阻抗匹配 抗干扰 

分 类 号：TN948.53[电子电信—信号与信息处理]