Method and system for optically measuring simultaneously the emi

Details Method and system for optically measuring simultaneously the emi Method and system for optically measuring simultaneously the emi

1989-07-11

1990-11-27

Lall, Parshotam S.

Boots, shoes, and leggings

250339, 250341, 364550, 374 9, 374126, G01N 2100

Patent

active

049741829

ABSTRACT:
A system and method for optically measuring simultaneously the emissivity d temperature of an object and the ambient temperature with a successive determination of values of spectral radiance or spectral radiant intensity in n wavelength bands in the visible and/or infrared radiation bands and with m temperatures of the object, by obtaining m rows of at least n=4 values of spectral radiance or spectral radiant intensity from the measurements of at least m=3 different temperatures of the object, forming from the rows a set of equations with n.multidot.m=12 unknowns and n.multidot.m measured values, expressing through a set of equations

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