基于距离多结构的末制导雷达目标识别方法研究  

Target identification method of terminal guidance radar based on range multi-structure

作　　者：但波[1] 姜永华[1] 李敬军[1] 卢毅[2] 

机构地区：[1]海军航空工程学院电子信息工程系,山东烟台264001 [2]海军装备部,四川成都610100

出　　处：《电波科学学报》2015年第2期307-315,共9页Chinese Journal of Radio Science

基　　金：总装精导基金资助课题(9140A01010411JB1401)

摘　　要：针对目前末制导雷达在目标识别时未充分利用其在搜索阶段获得的高分辨距离像(High Resolution Range Profile,HRRP)序列的情况,提出了基于宽带雷达目标HRRP序列的距离多结构识别方法.该方法首先获取末制导雷达在搜索阶段与目标相对视线变化的HRRP序列,然后通过与不同基本几何体在相应方位角雷达散射截面积变化的趋势按照最大匹配准则获得目标距离多结构,最后判断目标与基本几何体的结构相似性参数概率形式提取识别需要的特征,完成对舰船目标的识别.通过对三种典型编队目标的仿真与外场非编队舰船目标的实测数据表明该方法是有效的.Aiming at the circumstance that the high resolution range profile(HRRP)sequence acquired by the terminal guidance radar in its search phase was not fully used,we proposed range multi-structure identification method based on HRRP sequence of broadband radar target.Firstly,the method acquired the change HRRP sequence along the line of sight between the target and the terminal guidance radar in the search phase.Then,it obtained the target range structure according to maximum matching rule which acted on the radar cross section(RCS)change trend between different basic geometry and target with corresponding azimuth.Finally,by judging the probability form of structure similarity parameter between the target and basic geometry,it extracted the characteristic and accomplished the identification of the ship targets.The simulation of three kinds of typical target formation and the non-formation ship target's measured data show that the method is effective.

关 键 词：HRRP序列 距离多结构识别 编队目标 

分 类 号：TN957.52[电子电信—信号与信息处理]