Chinese Journal of Lasers, Volume. 48, Issue 24, 2404001(2021)
Outdoor Experiments of Phase-Shift Laser Range Finder Technique Based on Optical Carrier Phase Modulation
Fig. 1. Block diagram of phase-shift laser range and velocity measurement finder based on optical carrier phase modulation
Fig. 2. Spectral peak of Sout(γ) varying with γ and its first order Fourier approximate when Am=Vπ/2, φr=0
Fig. 3. Acquired output signal of BD and driven signal of PM. (a) Output signal of BD; (b) driven signal of PM; (c)(d) corresponding enlarged views
Fig. 5. Calculated P(kπ/5), the model curve estimated by least square method and the calculated maximum obtained by the model
Fig. 6. Spectrum of output signal and the product signal. (a) Spectrum of the output signal of BD; (b) spectrum of Sout(γ) when γ=γmax
Fig. 7. Results of measuring static target at the distance of 75.5 m. (a) Measured distance; (b) measured velocity
Fig. 8. Results of measuring moving target (a pedestrian) at the distance of 71.5 m. (a) Measured distance; (b) measured velocity
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Hongyu He, Jianfeng Sun, Zhiyong Lu, Haisheng Cong, Ronglei Han, Weijie Ren, Longkun Zhang, Chaoyang Li, Yuxin Jiang. Outdoor Experiments of Phase-Shift Laser Range Finder Technique Based on Optical Carrier Phase Modulation[J]. Chinese Journal of Lasers, 2021, 48(24): 2404001
Category: Measurement and metrology
Received: Mar. 11, 2021
Accepted: May. 17, 2021
Published Online: Nov. 16, 2021
The Author Email: Sun Jianfeng (sunjianfengs@163.com)