Zhen-min SHEN, Wei-dong SHANG, Bing-jie WANG, Tong ZHAO, Hai-yang ZHANG, Yong-chao ZHENG, Guo-qing ZHOU. Lidar with High Scattering Ratio Suppression for Underwater Detection[J]. Acta Photonica Sinica, 2020, 49(6): 0601001
- Acta Photonica Sinica
- Vol. 49, Issue 6, 0601001 (2020)
Fig. 1. Frequency response of laser echo signal
Fig. 2. The relationship between cutoff frequency and attenuation coefficient of seawater
Fig. 3. Time domain waveform of modulating pulse
Fig. 4. Dual frequency injection locking and frequency doubling system
Fig. 5. Time series, power spectrum, phase portrait and autocorrelation trace of chaotic laser output
Fig. 6. Chaos generated by two mode and three mode coupling in solid lasers
Fig. 7. The relation between the number of relevant calculation points and PNL
Fig. 8. Experimental device
Fig. 9. The ranging cross-correlation curve of clear water with turbidity of 0.55 NTU
Fig. 10. The ranging cross-correlation curve of clear water with turbidity of 6.77 NTU
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Table 1. Simulation parameters
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