Fig. 1. Schematic of target radiation transmission in atmosphere

Fig. 2. Radiation spectrum in high-temperature target surface normal direction

Fig. 3. Variation in reflectance with cirrus optical thickness τ and wavelength

Fig. 4. Variation in reflectance with cirrus altitude h and wavelength

Fig. 5. Variation in reflectance with cirrus effective size D and wavelength

Fig. 6. Variation in reflectance with cirrus particle shape and wavelength

Fig. 7. Variation in atmospheric transmissivity with (a) h and (b) τ

Fig. 8. Variations in target background contrast with (a) cirrus altitude, (b) optical depth, (c) cirrus particle shape and (d) effective size

Fig. 9. Variations in contrast with (a) cirrus optical depth and (b) target height

Fig. 10. Variation in contrast with and without cirrus in target radiation transmission path below 7 km