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�������պ����ѧѧ�� 2002, Vol. 28 Issue (3) :298-300    DOI:
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Driving Technology of the Light Source of FOG
ZHANG Xi1, WANG Yan1, ZHANG Chun-xi2, WANG Jin2*
1. Beijing University of Aeronautics and Astronautics, School of Astronautics;
2. Ordnance Engineering College

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Abstract�� For the purpose of improving precision and practicability of fiber optic gyroscope(FOG) , a current source and a temperature control circuit were designed for driving the light source of FOG. Considering the characteristics of the FOG, a scheme of controlling the driving current by the feed back light from the coupler and detector of FOG was discussed. The testing results indicated that, in a temperature range of -20�� to 55��, the present technology can yield a current precision as high as 0.06%, a temperature control precision of 0.1��, and a variation of light power less than 0.1%.
Keywords�� fiber optic gyroscopes   ��light sources   ��current stabilized power sources     
Received 2000-09-18;
About author: �� ��(1972-),Ů,�����Ӽ���,��ʿ��,100083,����.
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�ŕ�, ����, �Ŵ���, ���.�������ݹ�Դ��������[J]  �������պ����ѧѧ��, 2002,V28(3): 298-300
ZHANG Xi, WANG Yan, ZHANG Chun-xi, WANG Jin.Driving Technology of the Light Source of FOG[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(3): 298-300
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