Fig. 1. The model of infrared radiation. and are the incidence angle of the object and the background plate respectively; is the angle between the object and the background plate 红外辐射模型。 和 分别为目标和背板的入射角, 为目标和背板的夹角

Fig. 2. Geometric relationships of micro-surface model

Fig. 3. Influence of RCE on the DoLP of object. (a) Reflectance of the s-polarized and p-polarized components; (b) DoLP of the object; (c) the DoLP of reflection and emission of object

Fig. 4. Influence of temperature on the DoLP of the object. (a) DoLP of the object; (b) component of the object; (c) component of the object 温度对目标偏振度的影响。（a）目标偏振度；（b） 分量；（c） 分量

Fig. 5. The DoLP images of the object. Up to down, the object temperatures are 30 °C, 40 °C and 50 °C. Left to right, α_{O_B} are from 87° to 141°. The rightmost column is the DoLP images without RCE

Fig. 6. The DoLP of the object at different temperatures. (a) Comparison between the simulation results and the experimental results; (b) comparison results at 30 °C; (c) comparison results at 40 °C; and (d) comparison results at 50 °C