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In order to satisfy the calibration precision of fiber optic gyro units used in the strap-down inertial navigation system, this paper proposes a combination calibration method. First, according to the characteristics of high precision turntable positioning, a static discrete calibration is proposed. It makes use of the Earth's rotational speed and a special calibration path to calibrate the fiber...
The accuracy of SINS (strapdown navigation system) related with the gyro tightly, so improving the accuracy of gyro is very urgent. There are two main ways of improving the accuracy currently. One is improving the physical structure which is not practical in our daily research, and the other is modeling the gyro's error by a series of testing and compensating the gyro on the basis of error model which...
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