Fig. 1. Curves of fuselage radiance with target flight altitude

Fig. 2. Spatial position relationship between carrier and target point within rectangular coordinate system of earth

Fig. 3. Curves of aircraft fuselage radiation intensity with target slant distances

Fig. 4. Curves of aircraft flame radiation intensity with target slant distances

Fig. 5. Curves of aircraft radiation intensity with target slant distances

Fig. 6. Curves of target/background radiation intensity differences with target slant distances

Fig. 7. Relative position diagram of diffraction-limited spot in detector pixel

Fig. 8. Curves of target/background SNR