FIELD: measuring technique.
SUBSTANCE: the mode includes measuring of true temperature of the surface by magnitude of brightness temperature no less than on three lengths of waves. Measuring of no less than three components of spectrum one can calculate logarithm of making coefficient of spectral radiating capability on coefficient of transmission of an intermediate sphere for each length of the wave. At that every three meanings of the length of the waves are chosen so near that dependence of the logarithm from the sworn product from the length of the wave would be linear. The meanings of the logarithm of the sworn product are subtracted out of measured reverse meanings of brightness temperatures and received expressions are summarized for receiving of a reverse meaning of sought true temperature.
EFFECT: possibility of determination of true temperature at the expense of increasing of friendly signal.
3 cl, 2 dwg
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