Fig. 1. Geometrical relationship diagram of BRDF

Fig. 2. Schematic diagram of measuring device

Fig. 3. Physical picture of equipment

Fig. 4. Data acquisition scenario

Fig. 5. Change curves of degree of target polarization of five materials at different azimuth angles

Fig. 6. Change curves of degree of target polarization of five materials at different zenith angles

Fig. 7. 3D curves of degree of target polarization of five materials at different detection angles