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18 September 2009 Complex microwave transmittivity of tree crowns
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Abstract
A model for the complex transmittivity of tree crowns in the microwave band is proposed. Experimental technique and results of measurements of the tree branches complex transmittivity (module and phase) in the frequency band 0.8-8 GHz are presented. It is noted that an abnormal frequency dispersion of the refractive index is observed in the experiment that is connected with the resonance attenuation by branches.
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A. Chukhlantsev, S. Golovachev, V. Kobylianskij, S. Marechek, and Yu. Tsargorodtsev "Complex microwave transmittivity of tree crowns", Proc. SPIE 7472, Remote Sensing for Agriculture, Ecosystems, and Hydrology XI, 74721Z (18 September 2009); https://doi.org/10.1117/12.835874
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