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Enhanced target factor analysis
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DOI：10.1016/j.aca.2016.01.019.png)
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Abstract
En 中文
Target testing or target factor analysis, TFA, is a well-established soft analysis method. TFA answers the question whether an independent target test vector measured at the same wavelengths as the collection of spectra in a data matrix can be excluded as the spectrum of one of the components in the system under investigation. Essentially, TFA cannot positively prove that a particular test spectrum is the true spectrum of one of the components, it can, only reject a spectrum. However, TFA will not reject, or in other words TFA will accept, many spectra which cannot be component spectra. Enhanced Target Factor Analysis, ETFA addresses the above problem. Compared with traditional TFA, ETFA results in a significantly narrower range of positive results, i.e. the chance of a false positive test result is dramatically reduced. ETFA is based on feasibility testing as described in Refs. [16-19]. The method has been tested and validated with computer generated and real data sets. (C) 2016 Elsevier B.V. All rights reserved.
Keywords:
Enhanced target factor analysis
Target factor analysis
Soft methods
Feasibility check
Target spectrum
Pure component spectrum
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