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A Simple Relation between Active And Passive Microwave Remote Sensing Measurements of Earth Terrain

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4 Author(s)
Leung Tsang ; Department of Electrical Engineering and the Remote Sensing Center, Texas A&M University, College Station, TX 77843 ; Blanchard, A.J. ; Newton, Richard W. ; Kong, Jin Au

A simple approximate relation between backscattering coefficient and emissivity measurements is derived. The relation is applicable to active and passive microwave remote sensing of earth terrain where volume scattering plays a dominant role. From the relation, one can obtain a rough estimate of the backscattering coefficient from the emissivity and vice versa. Such estimation is useful in checking experimental measurements and also helps to ascertain the validity of theoretical models. It also safeguards against obtaining arbitrarily high values for both backscattering coefficients and emissivities.

Published in:

Geoscience and Remote Sensing, IEEE Transactions on  (Volume:GE-20 ,  Issue: 4 )

Date of Publication:

Oct. 1982

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