A MULTISPECTRUM NONLINEAR LEAST-SQUARES FITTING TECHNIQUE

被引：269

作者：

BENNER, DC ^{[1
]}

RINSLAND, CP ^{[1
]}

DEVI, VM ^{[1
]}

SMITH, MAH ^{[1
]}

ATKINS, D ^{[1
]}

机构：

[1] NASA,LANGLEY RES CTR,DIV ATMOSPHER SCI,HAMPTON,VA 23681

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 1995年 / 53卷 / 06期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

D O I：

10.1016/0022-4073(95)00015-D

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An extension of the nonlinear least squares spectrum fitting technique has been developed for the simultaneous fitting of multiple spectra. This procedure's smaller number of fitted parameters as compared to fitting one spectrum at a time improves the determination of spectroscopic parameters. A more reliable evaluation of the errors associated with the solution is possible. Correlations among fitted parameters may preclude their determination from a single spectrum fit. If the correlations differ from spectrum to spectrum, however, separation of these parameters is often possible when including the spectra in one solution. Overfitting is also avoided when combining spectra with sufficiently different experimental physical conditions.

引用

页码：705 / 721

页数：17

共 46 条

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