A Modified Kalman Filter Based on Augmentation State for X-ray Pulsar Phase-Differenced Measurement

被引：0

作者：

Song, Jianing ^{[1
]}

Xu, Guodong ^{[1
]}

Xu, Zhendong ^{[1
]}

机构：

[1] Harbin Inst Technol, Res Ctr Satellite Technol, Harbin, Peoples R China

来源：

PROCEEDINGS OF 2016 7TH INTERNATIONAL CONFERENCE ON MECHANICAL AND AEROSPACE ENGINEERING, (ICMAE) | 2016年

关键词：

Kalman filtering; state augmentation; X-ray pulsar; navigation; phase-differenced; NAVIGATION;

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

To reduce the measurement noise and the correlation between the process and measurement noises caused by time-differenced measurement, we study an X-ray pulsar navigation method using phase-differenced measurement, which calculates phases of pulsar signal in frequency domain and is more accurate than time-differenced measurement. A modified Kalman filter based on augmentation state is proposed to solve the issue of the correlation. The simulation results show that the proposed method can not only reduce the system biases but also solve the correlation of the process noise with the measurement noises effectively.

引用

页码：609 / 613

页数：5

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