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�������պ����ѧѧ�� 2003, Vol. 29 Issue (1) :43-45    DOI:
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��Զ��1, ��Ω��1, ������2*
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2. �������պ����ѧ ��ѧԺ
Digital Interface for Open��Loop FOG
Yang Yuanhong1, Zhang Weixu1, Jiang Xinliu2*
1. School of Astronautics, Beijing University of Aeronautics and Astronautics;
2. Beijing University of Aeronautics and Astronautics

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Abstract�� To improve the performance of open-loop fiber-optical gyroscope (FOG), a mathematical model was presented to get its linear digital output. Based on this model, a digital interface was designed, which is a micro-control system consisting of gain control-able A/D converter and control software and able to auto-range and convert analog output to linear digital output. Experimental study was also made with an all polarization-maintain open-loop FOG. The results showed that, with using the above interface, the nonlinearity of FOG can be effectively reduced.
Keywords�� digital interface   linearization   range   fiber-optical gyroscope     
Received 2001-07-06;
About author: ��Զ��(1969-),��,�����人��,������,100083,����.
��Զ��, ��Ω��, ������.�����������ݵ����ֽӿ��о�[J]  �������պ����ѧѧ��, 2003,V29(1): 43-45
Yang Yuanhong, Zhang Weixu, Jiang Xinliu.Digital Interface for Open��Loop FOG[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(1): 43-45
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