一种基于复杂电磁环境的跳频信号检测识别方法  

A Method of Frequency Hopping Signal Detecting Based on Complicated Electromagnetic Environment

作　　者：鲁战锋 罗涛 曹健辉 LU Zhan-feng;LUO Tao;CAO Jian-hui(No.30 Research Institute of CETC,Chengdu,Sichuan 610041,China)

机构地区：[1]中国电子科技集团公司第三十研究所,四川成都610041

出　　处：《通信对抗》2024年第2期23-26,44,共5页Communication Countermeasures

摘　　要：分析在复杂电磁环境下,超短波频段内跳频信号检测识别存在的难点,提出一种结合跳频信号参数的多层次跳频特征匹配检测识别方法。该方法对截获的大量复杂信号数据进行预处理,并剔除背景噪声及无用信号,结合跳频信号工作频段、跳速及跳频图案等时频域特征,有效检测识别出需要的跳频信号。试验结果表明,该方法能够在复杂电磁环境下检测出跳频信号,检测识别准确率较高,具有一定的适用性。Analyzes the challenges of detecting and identifying frequency hopping signal within the ultrashort waveband in complex electromagnetic environments,and proposes a multi-level frequency hopping feature matching detection and identification method combined with frequency hopping parameters.The method pre-processes a large amount of complex signal data captured,eliminating background noise and irrelevant signals,and utilizes time-frequency domain features such as the working frequency band,hopping speed,and frequen-cy hopping pattern of the frequency hopping signal to effectively detect and identify the required frequency hopping signal.The experimental results show that this method can detect frequency hopping signals in com-plex electromagnetic environment with higher accuracy,demonstrating certain applicability.

关 键 词：跳频信号 信号参数 复杂电磁环境 检测识别 

分 类 号：TN911.23[电子电信—通信与信息系统]