Jiali Wang, Xiaobin Xu, Jialin Wu, Zhiying Tan, Minzhou Luo. Echo Characteristics of Multiplane Targets Detection Using Pulsed Laser[J]. Chinese Journal of Lasers, 2022, 49(6): 0604004
- Chinese Journal of Lasers
- Vol. 49, Issue 6, 0604004 (2022)
Fig. 1. Multi-planes detection model. (a) z direction; (b) y direction
Fig. 2. Echo simulation results of double targets
Fig. 3. Echo simulation results of three targets
Fig. 4. Echo simulation results of three waveforms with different angles. (a) ψ1;(b)ψ2;(c) ψ3
Fig. 5. Experimental platform of multi-target detection. (a) Experimental scene; (b) combined platform
Fig. 6. Influence of field of view on echo power
Fig. 7. Single target echo waveform. (a) Target 1; (b) target 2; (c) target 3
Fig. 8. Double waveform experiment results of target 1 and target 3. (a) A1＝－1, B1(A3)＝0, B3＝1；(b) A1＝－1, B1(A3)＝－1/3, B3＝1; (c) A1＝－1, B1(A3)＝1/3, B3＝1
Fig. 9. Double waveform experiment results of target 2 and target 3. (a) A2＝－1, B2(A3)＝0, B3＝1；(b) A2＝－1, B2(A3)＝－1/3, B3＝1; (c) A2＝－1, B2(A3)＝1/3, B3＝1
Fig. 10. Waveforms with different incident angles of target 3 when laser irradiates target 1 (1/2) and target 3 (1/2).(a) Simulation results; (b) experimental results
Fig. 11. Waveforms with different incident angles of target 3 when laser irradiates target 1 (1/3) and target 3 (2/3). (a) Simulation results; (b) experimental results
Fig. 12. Waveforms with different incident angles of target 3 when laser irradiates target 2 (1/3) and target 3 (2/3). (a) Simulation results; (b) experimental results
Fig. 13. Echo waveforms when laser irradiates three targets at the same time
Fig. 14. Receiving circuit without voltage overshoot
Fig. 15. Normalization results of single echo waveform when the distance between two targets is 1.5 m. (a) Target 1; (b) target 2
Fig. 16. Normalization results of single echo waveform when the distance between two targets is 1 m. (a) Target 1; (b) target 2
Fig. 17. Echo results with distance of 1.5 m between two targets. (a) A1＝－1, B1(A2)＝－1/3, B2＝1; (b) A1＝－1, B1(A2)＝0, B2＝1; (c) A1＝－1, B1(A2)＝1/3, B2＝1
Fig. 18. Echo results with distance of 1 m between two targets. (a) A1＝－1, B1(A2)＝－1/3, B2＝1; (b) A1＝－1, B1(A2)＝0, B2＝1; (c) A1＝－1, B1(A2)＝1/3, B2＝1
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