hw3_s09 - incident radiation is 1 what is the diffuse or...

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ABE 4034; Homework Problems – 3 Due Date – Thursday 1/29/09 1. A given rough surface has a BRDF which is proportional to cos ( ! 0 ) cos ( ! s ), where ! 0 and ! s are the angles of incident and scattered radiation, measured from the normal to the surface. The BRDF has no azimuthal dependence. If the reflectivity for a normally
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Unformatted text preview: incident radiation is 1, what is the diffuse or hemispherical reflectivity (i.e., the average of reflectivity over the hemisphere of possible incidence directions) of the surface?...
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