中波广播发射的信道噪声影响分析及对策  

Analysis and Countermeasures of Channel Noise Influence in Medium Wave Broadcast Transmission

作　　者：李亮 LI Liang(Changde Medium Wave Station,Changde 415000,China)

机构地区：[1]常德中波台,湖南常德415000

出　　处：《电声技术》2024年第2期61-64,共4页Audio Engineering

摘　　要：中波广播作为一种传统的通信方式,其传输效果受信道噪声的影响较为显著。信道噪声主要包括天然噪声、人造噪声及设备内部噪声,会对广播传输质量产生不同程度的影响。文章从基本原理与特点入手,详细分析了中波广播的工作机制及其在传输过程中遇到的噪声问题,综合考察了信道噪声对接收效果的具体影响。针对存在的噪声问题,提出了包括技术措施、设备改进、环境治理、法规建设以及教育培训等多维度的应对策略。这些措施包括优化发射技术、提高设备性能、减少噪声源影响、完善相关法规以及提升操作人员专业技能,以提高中波广播的传输质量。As a traditional communication mode,the transmission effect of medium wave broadcasting is significantly affected by channel noise.Channel noise mainly includes natural noise,man-made noise and internal noise of equipment,which will affect the broadcast transmission quality to varying degrees.Starting with the basic principles and characteristics,this paper analyzes in detail the working mechanism of medium wave broadcasting and the noise problems encountered in the transmission process,and comprehensively investigates the specific influence of channel noise on the receiving effect.In view of the existing noise problems,this paper puts forward multi-dimensional coping strategies including technical measures,equipment improvement,environmental governance,legal construction and education and training,These measures include optimizing transmission technology,improving equipment performance,reducing the influence of noise sources,perfecting relevant laws and regulations and upgrading the professional skills of operators,so as to improve the transmission quality of medium-wave broadcasting.

关 键 词：中波广播 信道噪声 传输质量 技术措施 环境治理 

分 类 号：G229.23[文化科学] TN943.6[电子电信—信号与信息处理]