Boots – shoes – and leggings
Patent
1993-12-17
1995-06-27
Cosimano, Edward R.
Boots, shoes, and leggings
73 1G, 2502521, 356307, 364498, 36457101, 36457104, G01D 1800
Patent
active
054285585
ABSTRACT:
A method and apparatus are provided for correction of spectra for stray radiation in a spectrometric instrument, involving a sequence of steps as follows. Spectral patterns are obtained with the instrument initially for monochromatic radiation at a plurality of selected calibration wavelengths. By computer program, the peak profile at the calibration wavelength in each pattern is replaced with a substitute based on the remaining pattern. The resulting data are interpolated to effect values denoted "stray proportions" for the ordered wavelengths of the instrument. Spectral data at each ordered wavelength are obtained with the instrument for a sample, and multiplied in the computer program by stray proportions for corresponding wavelengths to effect further sets of values denoted "stray portions" that are identified to the ordered wavelengths. Each set is identified to one of the wavelength increments of the instrument across the spectral range. In each set, the stray portions for the ordered wavelengths are summed. The total for each wavelength increment is subtracted from the original sample data for the increment to effect spectral data corrected for stray.
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Cahill Jerry E.
Ganz Alan M.
Saviano Paul
Tracy David
Wang Yongdong
Cosimano Edward R.
Grimes Edwin T.
Ingham Herbert S.
The Perkin-Elmer Corporation
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