Shuang Fu, XiaoRui Tian, Jie Yang, Meng Tang, Siqi Zhang, Chenfei Jin. Laser Velocimetry Based on Single-Photon Array Camera[J]. Laser & Optoelectronics Progress, 2023, 60(8): 0811023
- Laser & Optoelectronics Progress
- Vol. 60, Issue 8, 0811023 (2023)
Fig. 1. Forward and reverse start-stop measurement principle timing diagram
Fig. 2. Schematic diagram of experimental system
Fig. 3. Speed measurement system and speed simulator. (a) Speed measuring system; (b) speed simulator
Fig. 4. Intensity diagram and TCSPC diagram of low-speed moving objects moving from near to far. (a) Intensity diagram; (b) TCSPC diagram
Fig. 5. Preprocessed intensity diagram and TCSPC signal diagram. (a) Intensity diagram; (b) signal diagram
Fig. 6. Least-square fitting diagrams. (a) The relationship between lateral distance and time; (b) relationship between radial distance and time
Fig. 7.
Fig. 8.
Fig. 9. Relationship between measured speed and frame accumulation under multiple sets of speeds: (a) Relationship between lateral velocity measurement and frame accumulation, (b) relationship between radial velocity measurement and frame accumulation
Fig. 10. The absolute error of the lateral and radial velocities of multiple groups of targets under different frame numbers. (a) The velocity absolute error line chart with
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Table 1. Lateral and radial velocity, absolute error and relative error under different frame accumulations
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