Method of processing and correcting spectral data in two-dimensi

Details Method of processing and correcting spectral data in two-dimensi Method of processing and correcting spectral data in two-dimensi

1998-05-20

2000-11-28

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

702155, 356318, 356320, 600408, G01J 300

Patent

active

061547085

ABSTRACT:
The present method of processing spectral data calculates the first to fourth derivative spectra of an original spectrum with respect to the wavenumber and creates a two-dimensional representation by plotting coordinates consisting of the derivative values of some order as their abscissas and the original spectral values or derivative values of another order different from that order as their ordinates. In this two-dimensional plotting, maximal points, minimal points, maximal slope points (inflection points) and the like are clearly represented, so that a great amount of accurate feature information about the analyzed object can be easily obtained.

REFERENCES:
patent: 4975862 (1990-12-01), Keller et al.
patent: 5124932 (1992-06-01), Lodder
patent: 5379238 (1995-01-01), Stark
patent: 5660181 (1997-08-01), Ho et al.
patent: 5813987 (1998-09-01), Modell et al.
patent: 5828452 (1998-10-01), Gillispie et al.

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