Fig. 1. Schematic diagram of infrared radiation detection

Fig. 2. Surface temperature simulation of ship targets

Fig. 3. Infrared radiation atmospheric transmittance

Fig. 4. Infrared radiation atmospheric transmittance

Fig. 5. Rough sea surface

Fig. 6. Schematic diagram of RMC ray tracing method

Fig. 7. Flow chart for sea surface ship target calculation

Fig. 8. Schematic diagram of detection

Fig. 9. Thermal images of ship and sea surface

Fig. 10. Fusion of thermal images at different detection heights

Fig. 11. Fusion of thermal images at different detection angles

Fig. 12. Fusion of thermal images at different focal lengths