杂乱脉冲干扰的稳健自适应旁瓣相消方法  

A New Robust Adaptive Sidelobe Cancellation Method forSuppressing Random Pulse Jamming

作　　者：王辉辉[1] 袁子乔[1] 张统兵 WANG Huihui;YUAN Ziqiao;ZHANG Tongbing(Xi’an Electronic Engineering Research Institute,Xi’an 710100)

机构地区：[1]西安电子工程研究所,西安710100

出　　处：《火控雷达技术》2022年第3期20-25,共6页Fire Control Radar Technology

摘　　要：对于旁瓣脉冲干扰,普通自适应旁瓣相消方法不能采集到有效干扰快拍,引起对消性能的严重下降,造成匿影通道对主通道的过度匿影。因此采用匿影通道作为门限,自适应选择有效干扰快拍,并据此估算对消权系数进行旁瓣相消,实现了对杂乱脉冲干扰的实时跟随。实测数据表明,与普通方法相比,该方法可提高旁瓣相消的对消能力和稳健性。The common adaptive sidelobe cancellation method cannot collect effective pulse jamming snapshots in suppression of sidelobe pulse jamming,which results in a sharp decline in cancellation performance and excessive blanking of the main channel.In this paper,the blanking data is used as the threshold to adaptively select the effective jamming snapshots.In addition,the weighting coefficients of sidelobe cancellation are estimated based on the snapshots and then cancellation is performed,realizing real-time following of the random pulse jamming.The measured data show that the proposed method has higher cancellation capability and robustness than the common method.

关 键 词：脉冲干扰 自适应旁瓣相消 干扰快拍 自适应选择 

分 类 号：TN95[电子电信—信号与信息处理] TN911.7[电子电信—信息与通信工程]