Modeling and simulation on GNSS vector tracking loop based on extended kalman filter

被引：0
作者：
Zeng, Guang-Yu [1 ]
Shen, Qiang [1 ]
Li, Dong-Guang [1 ]
He, Xin [2 ]
机构：
[1] National Key Laboratory of Science and Technology on Electomechanical Dynamic Control, Beijing Institute of Technology, Beijing
[2] Information Center of China North Industries Group Corporation, Beijing
来源：
Binggong Xuebao/Acta Armamentarii | 2015年 / 36卷 / 03期
关键词：
Extended Kalman filter; Modeling; Ordnance science and technology; Satellite positioning; VDFLL; Vector tracking;
D O I：
10.3969/j.issn.1000-1093.2015.03.022
中图分类号：
学科分类号：
摘要：
Considering a limited public information about analysis of GNSS vector tracking algorithm control process, a vector delay/frequency lock loop (VDFLL) tracking model is established, and a derivation on the model's linearization process is proposed. The sequential control logic of vector tracking algorithmis analyzed. For the fact that VDFLL cannot lock the carrier phase, a message demodulation mode based on series phase-locked loop (PLL) is put forward. And a vector VDFLL model is implemented on the platform of a software receiver. The simulation results indicate that the controlling model not only can output correct and optimal estimate for receiver state information, but also has an excellentdynamic tracking performance. ©, 2015, China Ordnance Society. All right reserved.
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收藏
页码：530 / 538
页数：8
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