中波广播发射机整机效率提升策略研究

Study on Efficiency Improvement Strategy of Medium Wave Broadcast Transmitter

中波广播是数字广播的重要组成部分。中波广播发射机实现直接数字频率合成、循环调制、数字调幅、浮动载波、LCD触摸屏控制及音频处理等技术的整合,有效提升中波广播运行稳定和可靠性。基于此,以中波广播发射机整机效率提升策略为研究重点,介绍中波广播发射机的构成与关键技术,分析中波广播发射机整机效率影响因素,提出中波广播发射机整机效率提升策略,有效提升数字广播城乡传输覆盖能力,推动我国应急广播体系建设。

Medium wave broadcasting is an important part of digital broadcasting. Medium wave broadcasting transmitter realizes the integration of direct digital frequency synthesis, cyclic modulation, digital amplitude modulation, floating carrier, LCD touch screen control, audio processor and other technologies, effectively improve the stability and reliability of medium wave broadcasting transmitter.This paper focuses on the strategy of improving the efficiency of medium wave broadcasting transmitter, introduces the structure and key technologies of medium wave broadcasting transmitter, analyzes the influencing factors of the efficiency of medium wave broadcasting transmitter, and proposes the strategy of improving the efficiency of medium wave broadcasting transmitter, which can effectively improve the coverage ability of urban and rural transmission of digital broadcasting and promote the construction of Chinese emergency broadcasting system.