Chunfeng Gao, Guo Wei, Qi Wang, Zhenyu Xiong, Zekun Yang, Wenjian Zhou, Wanqing Liu. Height measurement method based on one-dimensional laser Doppler velocimeter and integrated navigation system of single-axis rotation inertial navigation system (invited)[J]. Infrared and Laser Engineering, 2022, 51(12): 20220704
- Infrared and Laser Engineering
- Vol. 51, Issue 12, 20220704 (2022)
Fig. 1. Schematic diagram of one-dimensional LDV measurement principle with dual-beam differential structure
Fig. 2. Schematic diagram of tilt angle between rotating coordinate frame and body coordinate frame
Fig. 3. Rotation attitude of uniaxial turntable
Fig. 4. Pitch angle output of single-axis rotation INS before the base tilt compensation
Fig. 5. Roll angle output of single-axis rotation INS before the base tilt compensation
Fig. 6. Pitch angle output of single-axis rotation INS after the base tilt compensation
Fig. 7. Roll angle output of single-axis rotation INS after the base tilt compensation
Fig. 8. Experimental vehicle and installation mode of LDV
Fig. 9. The path in the experiment
Fig. 10. Horizontal position change in the experiment
Fig. 11. Height change in the experiment
Fig. 12. Height measurement result of the first group of experiment (before attitude error compensation)
Fig. 13. Height measurement result of the first group of experiment (after attitude error compensation)
Fig. 14. Height measurement result of the second group of experiment (before attitude error compensation)
Fig. 15. Height measurement result of the second group of experiment (after attitude error compensation)
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Table 1. Experimental results
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