A Sequential Adaptive Method for Enhancing DOA Tracking Performance

被引：2
|
作者：
Youssef Fayad [1 ]
Wang Caiyun [2 ]
Cao Qunsheng [1 ]
机构：
[1] College of Electronic and Information Engineering,Nanjing University of Aeronautics and Astronautics
[2] College of Astronautics,Nanjing University of Aeronautics and Astronautics
来源：
Transactions of Nanjing University of Aeronautics and Astronautics | 2016年 / 33卷 / 06期
关键词：
tracking maneuver; direction of arrival(DOA); Doppler effect;
D O I：
10.16356/j.1005-1120.2016.06.739
中图分类号：
TN95 [雷达];
学科分类号：
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要：
A sequential processing is presented aiming at optimizing the direction of arrival(DOA)tracking performance.Firstly,current positions and Doppler frequency are estimated and a mathematical model is derived in order to clarify the effect of Doppler frequency on the estimation.The Doppler effect is employed within subspace concept in order to refine the estimation of the target position.Secondly,a renewed weight factor that depends on target maneuver is employed in order to realize more accurate association and smoothing processes.Simulation results show that the presented method has high accuracy in DOA tracking.
引用
收藏
页码：739 / 746
页数：8
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