现代电子技术2018，Vol.41Issue(7)：12-15,20,5.DOI:10.16652/j.issn.1004-373x.2018.07.004
水下通信中信号跟踪方法的抗干扰设计
Anti-jamming design of signal tracking method in underwater communication
摘要
Abstract
The traditional tracking method of underwater communication signal used to predict the current signal status ac-cording to the point observation information is sensitive to data SNR,and has high bit error rate and low anti-noise performance. Therefore,an underwater communication signal tracking method with high anti-jamming performance was designed. The channel tracking method based on block is used to track the practical channel in real time,and reduce the time-varying impact on chan-nel. The tracking method of weak target signal before detection is adopted in tracking channel. The original data is taken as the observation data to predict the target state by means of the tracking algorithm,and then detect and judge the target state,which are conducive to the energy accumulation of low-noise signal under high SNR condition,can improve the target detection perfor-mance,and realize the accurate tracking of communication signal in the underwater environments with high SNR. The experi-mental results show that the method can track the underwater communication signal accurately,and has low bit error rate and high anti-noise performance.关键词
水下通信/信号跟踪/抗干扰/弱目标/信道跟踪/抗噪性能Key words
underwater communication/signal tracking/anti-jamming/weak target/channel tracking/anti-noise perfor-mance分类
信息技术与安全科学引用本文复制引用
陈林..水下通信中信号跟踪方法的抗干扰设计[J].现代电子技术,2018,41(7):12-15,20,5.基金项目
宿迁市科技支撑计划项目:基于机器鱼的水下污染源定位研究(S201510) Project Supported by Science&Technology Pillar Program Project of Suqian:Research in Underwater Pollution Source Based on Machine Fish(S201510) （S201510）
