信道噪声技术在调频广播发射中的应用研究
Research on the Application of Channel Noise Technology in Frequency Modulation Broadcasting Transmission
张鑫斌1
作者信息
- 1. 山西广播电视无线管理中心,山西 太原 030000
- 折叠
摘要
针对调频广播发射中的信道噪声问题展开研究,通过建立综合噪声模型、设计自适应预加重滤波器和优化编码调制方案,构建一套基于信道噪声技术的调频广播发射系统.仿真实验表明,该系统在不同噪声环境下均能有效提升信噪比、降低调制误码率并提高频谱效率.
Abstract
In this paper,the channel noise problem of frequency modulation broadcast transmission is studied,and a set of frequency modulation broadcast transmission system based on channel noise technology is constructed by establishing a comprehensive noise model,designing an adaptive pre-accentuation filter and optimizing the code modulation scheme. Simulation results show that the system can effectively improve the signal-to-noise ratio,reduce the modulation error rate and improve the spectrum efficiency under different noise environments.
关键词
调频广播/信道噪声/自适应预加重Key words
frequency modulation broadcasting/channel noise/adaptive pre-emphasis引用本文复制引用
出版年
2024
NETL
NSTL
万方数据