调频广播信号的数字预失真技术研究  

Research on Digital Predistortion Technology of Frequency Modulation Broadcast Signals

作　　者：付生华 FU Shenghua(Dongqingding TV FM Broadcasting Station,Wireless Transmission Center,Gansu Radio and Television Bureau,Wuwei 733000,China)

机构地区：[1]甘肃省广播电视局无线传输中心冬青顶电视调频转播台,甘肃武威733000

出　　处：《电视技术》2025年第2期107-110,共4页Video Engineering

摘　　要：阐述调频广播信号数字预失真技术的现状,包括基本原理、常用方法及其在调频广播信号应用中的特点与成果;分析该技术面临的挑战,包括非线性模型精度问题、算法复杂度与实时性矛盾以及多频段多模式兼容难题;提出相应的对策,涵盖新型非线性模型、算法优化与并行处理以及自适应与智能控制技术应用等方面,以期为提高调频广播信号质量和传输效率提供理论支持与实践指导,推动该技术在广播领域的进一步发展。This paper expounds the current status of digital predistortion technology for frequency modulation broadcast signals,including basic principles,common methods,and its characteristics and achievements in the application of frequency modulation broadcast signals.It analyzes the challenges faced by this technology,such as nonlinear model accuracy issues,the contradiction between algorithm complexity and real-time performance,and the compatibility problem of multi-frequency bands and multi-modes.Corresponding countermeasures are proposed,covering aspects such as research on new nonlinear models,algorithm optimization and parallel processing,and the application of adaptive and intelligent control technologies.With the expectation of providing theoretical support and practical guidance for improving the quality and transmission efficiency of frequency modulation broadcast signals and promoting the further development of this technology in the field of broadcasting.

关 键 词：调频广播信号 数字预失真技术 非线性模型 算法复杂度 多频段多模式兼容 

分 类 号：TN934.2[电子电信—信号与信息处理]