Li Yating, Zhang Fumin, Pan Hao, Shi Chunzhao, Qu Xinghua. Simulation of Vibration Compensation in Frequency-Modulated Continuous-Wave Laser Ranging System[J]. Chinese Journal of Lasers, 2019, 46(1): 104001
- Chinese Journal of Lasers
- Vol. 46, Issue 1, 104001 (2019)
Fig. 1. Structure diagram of dual-path FMCW laser ranging system
Fig. 2. Structural diagram of FMCW laser ranging system based on FWM effect
Fig. 3. Time-frequency diagram for generation of FWM effect
Fig. 4. Spectra obtained by zero-padded FFT of equispaced-phase resampling data at vibration frequency of 2 Hz. (a) Non-vibration environment, S1; (b) non-vibration environment, S2; (c) vibration environment, S1; (d) vibration environment, S2
Fig. 5. Spectra obtained by zero-padded FFT of S3. (a) Non-vibration environment; (b) vibration environment
Fig. 6. Absolute errors of measurement before and after compensation. (a) Before compensation; (b) after compensation
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