Jiaqian Bao, Bingting Zha, He Zhang, Chenyoushi Xu. Simulation method of pulse laser fuze echo in dust environment[J]. Infrared and Laser Engineering, 2021, 50(5): 20200319
- Infrared and Laser Engineering
- Vol. 50, Issue 5, 20200319 (2021)
Fig. 1. Comparison of two scattering phase functions and scattering intensities. (a) Particle radius: 0.1 μm; (b) Particle radius: 0.4 μm; (c) Particle radius: 0.8 μm; (d) Particle radius: 2 μm; (e) particle radius: 6 μm; (f) Particle radius: 10 μm
Fig. 2. Comparison of two sample methods of scattering phase functions
Fig. 3. Emission and receive model in dust environment
Fig. 4. Semianalytic sensing geometric model
Fig. 5. Dust environment experiment. (a) Laboratory layout; (b) Experimental scene
Fig. 6. Scattering phase functions with different relative humidity conditions
Fig. 7. Normalized simulation echo powers with different relative humidity conditions
Fig. 8. Normalized simulation echo powers changing with dust concentrations in different relative humidity conditions
Fig. 9. Normalized simulation echo powers changing with dust concentrations. (a) T -matrix; (b) H-G scattering phase function
Fig. 10. Comparison of results of two simulation methods and experiment
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Table 1. Parameters of system and simulation
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Table 2. Experimental results
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Table 3. Number concentration
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Table 4. Relative errors between simulation and experiment
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