基于DVB-T2标准的数字广播信号抗干扰技术研究  

Research on Anti-Interference Technology of Digital Broadcasting Signals Based on DVB-T2 Standard

作　　者：庞松超 PANG Songchao(Taian Radio and Television Station,Taian 271000,China)

机构地区：[1]泰安市广播电视台,山东泰安271000

出　　处：《电视技术》2025年第2期129-132,共4页Video Engineering

摘　　要：详细探讨基于第二代地面数字视频广播(Digital Video Broadcasting-Terrestrial 2,DVB-T2)标准的数字广播信号抗干扰技术,包括多天线技术(Multiple-Input Multiple-Output,MIMO)在抗干扰中的应用、干扰识别与抑制算法的开发、信号纠错与恢复机制的优化及卷积编码与交织技术的改进。通过理论分析与技术应用测试,显示这些创新措施可显著提高广播信号的稳定性和抗干扰能力,为数字广播系统在多变环境下的可靠运行提供有效支持。This article discusses in detail the anti-interference technology of digital broadcasting signals based on the Digital Video Broadcasting-Terrestrial 2(DVB-T2)standard,including the application of multi antenna technology in anti-interference,the development of interference recognition and suppression algorithms,the optimization of signal error correction and recovery mechanisms,and the improvement of convolutional encoding and interleaving technology.Through theoretical analysis and technical application testing,it is shown that these innovative measures significantly improve the stability and anti-interference ability of broadcasting signals,providing effective support for the reliable operation of digital broadcasting systems in changing environments.

关 键 词：第二代地面数字视频广播(DVB-T2) 信号传输 抗干扰技术 

分 类 号：TN949[电子电信—信号与信息处理]