偽線性主動段彈道估計方法
The Trajectory Estimation in Boost-Phase Using Pseudolinear Estimator
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摘要: 該文主要分析了星載被動傳感器對目標的運動參數(shù)估計問題,它也是空間預警系統(tǒng)的關(guān)鍵技術(shù)之一.文中提出的偽線性測量-卡爾曼濾波(PM-KF)的彈道估計方法減小了測量方程非線性所帶來的估計誤差,較之EKF濾波有更好的估計精度.
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關(guān)鍵詞:
- 彈道估計; 偽線性測量; Kalman濾波
Abstract: Trajectory estimation using the measurement of arrival angles from space-based infrared sensors is one of the key technologies in the space early warning system. This paper presents a pseudolinear measure-Kalman estimator for trajectory estimation in boost-phase. Compared with EKF and CRLB, this estimator is more precise. -
Li Yicong, Bar-Shalom Y. Trajectory and launch point estimation for ballistic missiles from boost phase LOS measurements. IEEE Aerospace Conference Proceedings, 1999, Vol. 4:425 - 442.[2]Danis J. Space-based tactical missile launch parameter estimation.IEEE Trans. onAES, 1993,29(2): 412 - 424.[3]李盾.空間預警系統(tǒng)對+目標的定位與預報.[博士論文],國防科技大學,2001年.[4]Taylor H. The Cramer-Rao estimation error lower bound computation for deterministic nonlinear systems. IEEE Trans. on AC, 1979, AC-24(2): 343 - 344. -
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