舰船电子工程2023，Vol.43Issue(12)：132-137,6.DOI:10.3969/j.issn.1672-9730.2023.12.027
基于零中频采集器的卫星欺骗式干扰检测研究
Research on Satellite Deception Jamming Detection Based on Zero if Collector
刘佩儒 1苏新彦 1姚金杰 1于得水1
作者信息
- 1. 中北大学信息探测与处理山西省重点实验室 太原 030051
- 折叠
摘要
Abstract
In recent years,software defined radio(SDR)technology has developed very rapidly.Attackers have become more and more flexible and cheaper to implement deception jamming,which can make a great impact by using simple devices.In this pa-per,the unknown signal received by the zero IF collector is used as the detected data,and the multimodal detection algorithm can detect the deceptive jamming signal,but it may also cause false judgment to the multipath signal in the signal.Therefore,the SQM technology based on multimodal detection is proposed.In the experiment,the generated deception jamming equipment is used to re-ceive the composite satellite signal through the FMCOMMS3 zero IF RF receiver.The composite signal is processed by LNA amplifi-cation,mixer,TIA amplifier,etc.in the device,and the baseband signal is transmitted to the PC terminal.The difference between the two detection performances is analyzed in Matlab when the deception signal exists or does not exist.The experimental results show that the multi peak detection may cause misjudgment for the multipath signal in the signal,and SQM detection can detect the misjudged multipath signal by using the symmetry of the correlation peak,making up for the deficiency of the multi peak detection.关键词
卫星导航/欺骗式干扰/多峰检测/SQM/零中频接收机Key words
satellite navigation/deceptive jamming/multi peak detection/SQM/homodyne receiver分类
信息技术与安全科学引用本文复制引用
刘佩儒,苏新彦,姚金杰,于得水..基于零中频采集器的卫星欺骗式干扰检测研究[J].舰船电子工程,2023,43(12):132-137,6.
