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The calibration of inertial navigation system is a prerequisite for inertial navigation, calibration results have a direct impact on the quality of inertial navigation accuracy. It is a widely studied and applied technology with high technology maturation that calibrating inertia devices with high-precision rotary. The commonly used method is to estimate gyro parameters based on the rotational angular...
In the high-precision vector aeromagnetic survey, to ensure the carrier's interference in the magnetic sensor is smaller, it requires the carrier's attitude information to keep pace with the magnetic sensor. For the problem of the deformation of the lever arm between the carrier and the magnetic sensor, the way of auto collimation is used to measure bending strain across the lever arm. By studying...
Determining the size of candidate matching areas (CMAs) is the basic premise for matching suitability analysis in geomagnetic aided navigation (GAN), and this problem is investigated from the viewpoint of inertial navigation system (INS) precision here. Through the analysis of the influencing factors of the size, the mathematical model is constructed from the perspective of statistics, which makes...
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