Wang Qi, Gao Chunfeng, Nie Xiaoming, Zhou Jian, Wei Guo, Long Xingwu. Calibration Method of Two-Dimensional Laser Doppler Velocimeter in Land Integrated Navigation System[J]. Chinese Journal of Lasers, 2018, 45(8): 804004
- Chinese Journal of Lasers
- Vol. 45, Issue 8, 804004 (2018)
Fig. 1. Optical structure of 2D LDV
Fig. 2. Installation relationship between 2D LDV and IMU
Fig. 3. Schematic of vehicle load experimental system
Fig. 4. Schematic of running track of loaded vehicle
Fig. 5. Horizontal position error of IMU under pure inertial navigation
Fig. 6. Output speeds of 2D LDV
Fig. 7. Positioning errors of dead reckoning before calibration of related parameters of 2D LDV. (a) Horizontal position; (b) altitude
Fig. 8. Filtering convergence curves. (a) ?mz; (b) δθ1; (c) δθ2
Fig. 9. Data processing procedure of dead reckoning
Fig. 10. Positioning errors of dead reckoning after calibration and compensation of related parameters of 2D LDV. (a) Horizontal position; (b) altitude
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