Xu Han, Zhi Li, Yaojun Wu, Zhimin Zhang, Jianbin Huang, Longfei Huang. High precision ranging lidar based on pseudorandom code modulation[J]. Infrared and Laser Engineering, 2022, 51(3): 20210250
- Infrared and Laser Engineering
- Vol. 51, Issue 3, 20210250 (2022)
Fig. 1. Composition of lidar system
Fig. 2. Data processing flow
Fig. 3. Relationship between angle with the reflected light of the sun and SNR
Fig. 4. Relationship between detection range and SNR
Fig. 5. Range detection results （SNR≈5）
Fig. 6. Range detection results （SNR≈14）
Fig. 7. Relationship between range detection accuracy and echo signal to noise ratio
Fig. 8. Range detection results （The cumulative number of times is 50）
Fig. 9. Relationship between cumulative times and distance accuracy
Fig. 10. Relationship between accumulated times of correlation value and distance accuracy
Fig. 11. Configuration and internal structure of ranging lidar system
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Table 1. Main specifications of ranging lidar
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Table 2. Main specifications of long distance space ranging lidar
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