一种改进的频域滑窗杂波对消方法  

An Improved Sliding Window Clutter Cancellation Method in Frequency Domain

作　　者：杨金超 许博 YANG Jin-chao;XU Bo(Southwest China Research Institute of Electronic Equipment,Chengdu 610036,China)

机构地区：[1]西南电子设备研究所,四川成都610036

出　　处：《舰船电子对抗》2022年第3期74-76,104,共4页Shipboard Electronic Countermeasure

摘　　要：介绍了基于外辐射源的无源相干定位的基本原理,阐述了在外辐射源相干探测领域被广泛使用的杂波对消方法;在现有方法的基础上,为了进一步提升对消及目标检测性能,提出了一种改进的频域滑窗杂波对消方法,并通过仿真数据验证了所提方法的有效性。改进的频域滑窗杂波对消方法不仅可以成功实现杂波对消,还可以抑制乃至消除由于杂波对消剩余导致的目标检测虚警。This paper introduces the basic principle of passive coherent localization technology based on external radiation sources,and expounds the clutter cancellation method widely used in the field of coherent detection based on external radiation sources;based on the existing methods,in order to further improve the performance of cancellation and target detection,proposes an improved sliding window clutter cancellation method in frequency domain,and proves the effectiveness of proposed method through simulation data.The improved sliding window clutter cancellation method in frequency domain can not only successfully achieve clutter cancellation,but also suppress or even eliminate the target detection false alarm caused by the clutter cancellation residue.

关 键 词：无源相干定位 杂波对消 频域滑窗 

分 类 号：TN971.1[电子电信—信号与信息处理]