中短波宽带测向系统的建设方案和应用实践  

Construction Scheme and Application Practice of MF and HF Broadband Direction Finding System

作　　者：周利民 王志雄 Zhou Limin;Wang Zhixiong(Station 291,NRTA,Gansu 730000,China)

机构地区：[1]国家广播电视总局二九一台,甘肃730000

出　　处：《广播与电视技术》2023年第10期117-121,共5页Radio & TV Broadcast Engineering

摘　　要：如何实现信号的精准化监测和定位跟踪是中短波广播监测领域的重要任务。本文立足于直属台测向站的建设实践,基于空间谱估计测向体制,引入宽带监测、波束合成、同频语音分离、语音识别等新技术,同时将宽带测向与窄带测向有机结合,将信号侦察和测向工作融为一体,构建了一个技术先进、功能强大的宽带测向系统。How to implement the accurate signal monitoring and location tracking is an important task in the field of medium and short-wave broadcast monitoring.Based on spatial spectral estimation direction finding system and construction practice of broadcast direction finding station,this paper introduces a lot of new technologies such as broadband monitoring and direction finding,beamforming,speech separation and speech recognition,integrates the signal reconnaissance with direction finding,and combined narrowband direction finding with broadband direction finding for unknown broadcast signal,and constructs an advanced and powerful broadband direction finding system.

关 键 词：宽带测向 空间谱估计 语音分离 语音识别 中短波测向 

分 类 号：TN931.3[电子电信—信号与信息处理]