Hongying Zhang, Xiaoning Tian, Yanyang Lei, Zongda Zhu, Yongkang Dong. Frequency Modulated Continuous Wave LIDAR Based on Injection-Locking Technology for Simultaneous Distance and Speed Measurement[J]. Acta Optica Sinica, 2020, 40(15): 1528001
- Acta Optica Sinica
- Vol. 40, Issue 15, 1528001 (2020)
Fig. 1. Frequency relationship of FMCW LIDAR
Fig. 2. Schematic of master-slave injection locking
Fig. 3. Experimental system of injection-locked FMCW LIDAR
Fig. 4. Output spectrum after injection locking
Fig. 5. Sweep linearity after injection locking
Fig. 6. Typical results of static object measurement. (a) Loaded modulation signal; (b) time domain beat signal; (c) frequency spectra of beat signal after FFT
Fig. 7. Frequency spectra of beat signals at four different moments. (a) t=1.6 s; (b) t=2.5 s; (c) t=3.5 s; (d) t=4.0 s
Fig. 8. Diagrams of object moving away from the LIDAR. (a) Speed-time diagram; (b) distance-time diagram; (c) residual-time diagram
Fig. 9. Diagrams of object moving close to the LIDAR. (a) Speed-time diagram; (b) distance-time diagram; (c) residual-time diagram
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20