Microwave ellipsometry apparatus reflects circularly polarized train of microwaves from vegetation at predetermined angle of incidence to determine ratio of intensities of electric field components and their phase differences. Refractive index given by water content of vegetation and thickness of vegetation layer are computed from formula based on Maxwell's equations.
Remote sensing of vegetation and soil
NASA Tech Briefs ; 1 , 4
1977-03-01
Miscellaneous
No indication
English
Laser remote sensing of water, soil, and vegetation [4070-16]
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