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1 concept and measuring method of BRDF (Bi-directional Reflectance Distribution Function) are discussed in the paper.
2 relationship between Bidirectional Reflectance Distribution Function (BRDF) and Laser Rader Cross Section (LRCS) is introduced by means of the electromagnetic radiation and scattering theories.
3 directional emissivity is deduced from the Bidirectional Reflectance Distribution Function (BRDF) in the hemispherical scattering space of the objects.
4 method that the parameter of the BRDF model of the object sample obtained by using the Genetic Simulated Annealing Algorithm was introduced.
5 Absolute measurements of BRDF on tinfoil and ceramic tile are performed and the test materials present apparent specular reflection characteristics.
6 Besides sensor calibration, radiance calibration and atmospheric correction, BRDF of soil reflectance property should be taken into account.
7 Polarization BRDF can be used to describe the space distribution of radiation intensity of objects and it includes plenty of polarization information.
8 The spatial reflected characteristic and spectral characteristic from optical material surfaces were effectively described by the BRDF (Bi-directional Reflectance Distribution Function).
9 reflectance distribution function (BRDF) models treat plant density and optical properties differently and, therefore, can help to assess plant condition objectively.
10 Through the datum processing and analyzing of these measurements, this paper evaluated the BRDF of the Site.
11 To raise the uncertainty of BRDF value measuring, a new BRDF absolute value realization system is established.
12 During BRDF model constructing in urban areas, two important factors are vegetation covered in urban areas and the geometry structure of the urban.
13 shows that Monte Carlo is an effective approach to simulate the forest canopy BRDF and can be used to validate other forest canopy BRDF models.
14 The concept and the measuring theory of BRDF (bi-directional reflectance distribution function ) were discussed .
15 contributions on modelling of the reflectance of forests paid special attention to directional effects (BRDF).
16 Bidirectional reflectance distribution function (BRDF) can be used to study the laser scattering properties of target surface.
17 BRDF measurement results are closely related to the precision of measurement platform, the sensitivity of measurement instrument, and the stability of illuminating light source.
18 arm-adjustable corner device was designed for the BRDF system. Changing the distance to the sample by moving the detector arm made the device applicable to different wavelengths.