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长春光学精密机械与物... [1]
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会议论文 [1]
发表日期
2012 [1]
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The application of Kalman filtering technique on the multi-position strap-down north seeking system (EI CONFERENCE)
会议论文
2012 5th International Symposium on Computational Intelligence and Design, ISCID 2012, October 28, 2012 - October 29, 2012, Hangzhou, China
Shen C.-W.
;
Liu C.
;
Liu S.-J.
;
Cai S.
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提交时间:2013/03/25
In order to fit the sin wave curve of a multiposition strap-down north seeking system and to calculate the real north angle accurately
the data collected from the Dynamically tuned gyro(DTG) must be filtered firstly to reduce the noise jamming. The principles of the system are introduced. The factors influencing the measuring precision are also analyzed. Then
The DTG data are processed by second-order Butterworth filtering and Kalman filtering together. Experimental results indicate that the built-up filtering method can reduce noise jamming more effectively than second-order Butterworth filtering in the low frequency. 2012 IEEE.
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