Scanning Emitter TMA by Two Fixed Observers using Time of Interception

被引：0
|
作者：
Zhang Yifei [1 ]
Zhang Min [2 ]
Guo Fucheng [2 ]
机构：
[1] Rocket Force Univ Engn, Dept Informat Engn, Xian, Peoples R China
[2] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha, Hunan, Peoples R China
来源：
2016 SENSOR SIGNAL PROCESSING FOR DEFENCE (SSPD) | 2016年
关键词：
target motion analysis; scanning emitter; time of interception; least squares; TARGET MOTION ANALYSIS; LOCALIZATION;
D O I：
暂无
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：
The target motion analysis (TMA) for a moving scanning emitter with known fixed scan rate by two fixed passive observers using the time of interception (TOI) measurements only is investigated in this paper. By transforming the TOI model into the direction difference of arrival (DDOA) model, an instrumental variable (IV) estimator is proposed to solve the scanning emitter tracking problem. It is a closed-form solution with no initial guess required. Simulations show that the proposed algorithm can provide estimation accuracy very close to the Cramer-Rao lower bound (CRLB) with significantly lower estimation bias at moderate noise levels compared to the conventional pseudo-linear least square (PLS) estimator.
引用
收藏
页码：144 / 148
页数：5
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