中波广播发射中的信道噪声及其应对措施研究  

Research on Channel Noise and Its Countermeasures in Medium-wave Radio Transmission

作　　者：冯旭 Feng Xu(Dalian 303 Broadcasting Station,Dalian,Liaoning,China,116100)

机构地区：[1]大连三〇三转播台,辽宁大连116100

出　　处：《仪器仪表用户》2024年第9期47-49,共3页Instrumentation

摘　　要：中波广播作为一种传统而稳定的信息传输方式,在全球范围内仍扮演着重要角色,尤其是在偏远和灾难频发地区。然而,信道噪声显著影响了中波广播的传输质量,导致广播的清晰度和可靠性下降。本文详细探讨了中波广播信道噪声的特性、产生机理及其对广播质量和覆盖范围的具体影响。此外,文章还重点分析了当前应对信道噪声的主要技术策略,包括技术改进与设备升级、噪声过滤与抑制技术等,强调了数字化广播和自适应滤波技术等在提升广播服务中的应用价值。As a traditional and stable information transmission method,medium-wave broadcasting still plays an important role globally,especially in remote and disaster-prone areas.However,channel noise significantly affects the transmission quality of medium-wave broadcasting,resulting in decreased clarity and reliability of the broadcast.This article explores in detail the characteristics,generation mechanisms,and specific impacts of channel noise on the quality and coverage of medium-wave broadcasting.Furthermore,the article focuses on analyzing the current major technical strategies to address channel noise,including technological improvements and equipment upgrades,noise filtering and suppression techniques,emphasizing the application value of digital broadcasting and adaptive filtering technology in improving broadcasting services.

关 键 词：中波广播 信道噪声 数字化广播 噪声抑制 

分 类 号：TN011[电子电信—物理电子学]