Jianying Ren, Huayan Sun, Laixian Zhang, Yanzhong Zhao. Analysis of Lidar Receiving Characteristics Based on Four-Light Coherent Mixing Technology[J]. Acta Optica Sinica, 2020, 40(16): 1628004
- Acta Optica Sinica
- Vol. 40, Issue 16, 1628004 (2020)
Fig. 1. Structure block diagram of four-light coherent mixing detection system
Fig. 2. Variation curves of frequency of four-light coherent mixing signal with movement speed
Fig. 3. Schematic diagram of receiving plane beam relationship in four-light coherent mixing
Fig. 4. Variation curves of the SNR of the four-light coherent mixing system with the local light radius. (a) ρs1=5D; (b) ρs1=2D; (c) ρs1=D; (d) ρs1=0.5D
Fig. 5. SNRs corresponding to different mismatch angles
Fig. 6. Variation curves of SNR with mismatch angle under different receiving apertures. (a) ρs1=1 m; (b) ρs1=0.2 m
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