Boots – shoes – and leggings
Patent
1991-06-24
1995-10-17
Voeltz, Emanual T.
Boots, shoes, and leggings
2502521, 73 1R, 364498, G01N 2101
Patent
active
054596777
ABSTRACT:
A technique for transferring a multivariant calibration model from a reference analytical instrument to a target analytical instrument that may be a different instrument, or the same instrument at a later time. In a "direct" approach, a plurality of transfer samples are selected, and a plurality of measurements are made for each transfer sample using the reference instrument, producing a reference instrument response for each sample. These measurements are repeated for the target instrument, to produce a target instrument response for each transfer sample. One then generates transfer coefficients capable of performing a multivariate estimation of the reference instrument responses for the transfer samples from the target instrument responses for those samples. The transfer coefficients may then be used to convert a target instrument response for an unknown sample into the equivalent response for the reference instrument. In an important "piecewise" variation, the transfer coefficients comprise a plurality of estimation coefficients for estimating each reference data value from more-than-one but less-than-all target data values. "Classical" and "inverse" transfer techniques are also described, wherein target instrument responses for the transfer samples are combined with reference instrument responses for the full set of calibration samples, to derive a multivariate prediction model for the target instrument.
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Kowalski Bruce R.
Veltkamp David J.
Wang Yong D.
Board of Regents of the University of Washington
Pipala Edward
Voeltz Emanual T.
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