基于航迹信息的舰船目标姿态角鲁棒估计  

Ship attitude angle robust estimation based on track

作　　者：魏存伟[1] 梁菁[1] 任杰[1] 刘先康[1] 

机构地区：[1]中国人民解放军海军701工厂,北京100016

出　　处：《舰船科学技术》2010年第2期32-35,共4页Ship Science and Technology

摘　　要：针对基于高分辨距离像的舰船目标识别中姿态角估计精度的问题,提出一种计算舰船目标运动姿态角的鲁棒性估计方法。该方法首先建立了目标姿态角估计模型,然后有针对性的对航迹数据的野值进行剔除,最后采用M-估计方法对航迹数据进行拟合,从而计算出目标的姿态角。经大量实测数据的验证表明,该方法不易受野值的影响,鲁棒性好,能满足高精度、实时估计舰船目标姿态角的要求。For the accuracy of ship＇s attitude angle,a robust estimation method is proposed in HRRP ATR.Firstly,attitude angle estimation model is established.Secondly,outliers are detected in radar track.Finally,fit radar track using M-estimation method,and calculate ship＇s attitude angle.By lots of actual measured data,the experiment results show that the presented method is less sensitivity to the influence of outliers,and robust.Moreover,the proposed method is simple enough to meet the high-accuracy and real-time requirements.

关 键 词：姿态角 野值剔除 M-估计 鲁棒性 

分 类 号：TN957.51[电子电信—信号与信息处理]