Yongchao MO, Lei LIU, Yunsheng QIAN, Chaolong HU, Xiaofeng BAI, Feng SHI. Improved apparent distance detection model of low-level-lightnight vision system[J]. Journal of Applied Optics, 2023, 44(4): 887
- Journal of Applied Optics
- Vol. 44, Issue 4, 887 (2023)
Fig. 1. Schematic diagram of micro-channel effective flaring
Fig. 2. Schematic diagram of micro-channel ineffective flaring
Fig. 3. Theoretical values of simplified compound model and measured data of Campbell
Fig. 4. Theoretical values of simplified compound model and measured data of Watanabe
Fig. 5. MTF fitting curve of image intensifier
Fig. 6. Spectral sensitivity of NEW S25 photocathode
Fig. 7. Radiation spectral distribution curves of full moonlight and clear starlight conditions
Fig. 8. Spectral reflectance of green vegetation
Fig. 9. Reflected radiation illuminance of clear starlight and full moonlight under green vegetation scene conditions
Fig. 10. Calculation of spectral conversion coefficient αλ of clear starlight and full moonlight under green vegetation scene conditions of New S25photocathode
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Table 1. Typical values for some parameters in compound model
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Table 2. Typical values for some parameters in compound model
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Table 3. Parameters required for calculation
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Table 4. Modulation transfer function of image intensifier
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Table 5. Calculation results for parameters related to spectral distribution
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Table 6. Apparent distance of LLL night vision equipment to people and vehicles under clear starlight and full moonlight conditionsm
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