Three-Dimensional Target Motion Analysis Using Azimuth/Elevation Angles

被引：46
|
作者：
Badriasl, Laleh [1 ]
Dogancay, Kutluyil [1 ]
机构：
[1] Univ S Australia, Sch Engn, Mawson Lakes, SA 5095, Australia
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2014年 / 50卷 / 04期
关键词：
TRACKING; BIAS;
D O I：
10.1109/TAES.2014.120251
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We present new closed-form and low-complexity solutions for the three-dimensional (3D) target motion analysis problem using azimuth/elevation angles. A 3D pseudolinear estimator (PLE) is developed based on an approximation of the maximum likelihood (ML) cost function. Drawing on a large-sample bias analysis, a bias-compensated PLE is constructed. The concept of instrumental variables (IV) is employed to derive an asymptotically unbiased estimator. Finally a weighted IV estimator is developed to achieve an estimation performance close to the ML estimator (MLE).
引用
收藏
页码：3178 / 3194
页数：17
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