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《Transducer and Microsystem Technologies》 2006-02
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Measurement and analyse to low signal of IFOG

ZHONG Min,XIONG Zhi,LAI Ji-zhou,LIU Jian-ye(Navigation Research Center,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China)  
Interferometric fiber-optic gyro(IFOG) is a new fiber-optic gyro,whose performance decides the precision of the inertial navigation system.The analog signal of IFOG is so weak that it is easily disturbed by many kinds of noises when it is static.So it is hard to evaluate the static performance of IFOG.A project which can measure and filter this weak signal is advised aimed at some IFOG.It is proved that this project can improve S/N of IFOG's output and effectively pick-up the original signal at real-time from all kinds of noises by a lot of static and dynamic experiments.Meanwhile this project is relatively cheap.
【CateGory Index】: V241.5
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