Estimation of the total rotational velocity of a non-cooperative target with a high cross-range resolution three-dimensional interferometric inverse synthetic aperture radar system

被引：14
|
作者：
Ng, Brian W. -H. [1 ]
Tran, Hai-Tan [2 ]
Martorella, Marco [3 ,4 ]
Giusti, Elisa [3 ,4 ]
Salvetti, Federica [3 ,4 ]
Phan, An [1 ,2 ]
机构：
[1] Univ Adelaide, Sch E&E Engn, Adelaide, SA 2005, Australia
[2] Def Sci Technol Grp, Edinburgh, Australia
[3] Univ Pisa, Dept Informat Engn, Pisa, Italy
[4] CNIT Radar & Surveillance Syst RaSS Natl Lab, Pisa, Italy
来源：
IET RADAR SONAR AND NAVIGATION | 2017年 / 11卷 / 06期
关键词：
FOURIER-TRANSFORM; MANEUVERING TARGETS; ISAR;
D O I：
10.1049/iet-rsn.2016.0462
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study reports on a novel technique for the estimation of the target total rotational velocity of a non-cooperative target. The technique makes use of the second-order local polynomial Fourier transform to estimate the hitherto unknown component of the velocity vector in the radar line-of-sight direction, and three-dimensional (3D) interferometric inverse synthetic aperture radar (ISAR) imaging the target. The aspect-independent 3D size and shape of a target - an important metric for automatic target recognition - can thus be estimated. Cross-range focus in the component 2D ISAR images is also improved in the process. Results obtained from extensive simulations demonstrate the feasibility of the proposed approach.
引用
收藏
页码：1020 / 1029
页数：10
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