Self-subtraction improves consistency in spectral curve fitting

• Published in: Journal of quantitative spectroscopy & radiative transfer Vol. 277; p. 107991
• Main Authors: Kojić, Dušan, Tsenkova, Roumiana, Yasui, Masato
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.01.2022
• Subjects: Bandwidth estimation; Curve fitting; Resolution enhancement; Second derivative; Voigt profile; Resolution enhancement; Second derivative; Voigt profile; Curve fitting; Bandwidth estimation

•A purely functional algorithm for resolving positions and widths of overlapped bands is presented on the basis of self-subtracted spectra.•Significant improvements, demonstrated both theoretically and practically, over the popular second derivative transform are achieved.•The method eliminates any...