Ji Li, Haisa Jia, Zhou Li. Research on energy calculation method of weak and small targets based on Rayleigh distribution[J]. Infrared and Laser Engineering, 2023, 52(2): 20220408

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- Infrared and Laser Engineering
- Vol. 52, Issue 2, 20220408 (2023)

Fig. 1. Ideal point target discrete process

Fig. 2. Gray level histogram of X (Y ) axis of point target with different brightness

Fig. 3. Probability density curve of typical Rayleigh distribution

Fig. 4. Cumulative probability density of Rayleigh distribution

Fig. 5. Infrared target image and Rayleigh distribution fitting in the experiment

Fig. 6. Image gray distribution at different temperatures

Fig. 7. Comparison of inversion accuracy of different methods
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Table 1. Parameter setting of infrared radiation measurement system
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Table 2. Comparison of measurement results of different calculation methods

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