A discrete integral transform for rapid spectral synthesis
Journal of Quantitative Spectroscopy and Radiative Transfer(2021)
Abstract
•Novel approach for spectral synthesis resulting in typical performance increase of 2~3 orders of magnitude.•Generic approach that can be applied to any spectral code or database.•Arbitrary accuracy: Voigt function is approximated as accurately as needed.•Additional performance increase for line-of-sight spectra.•Easy to parallelize: GPU implementation yields further 2~3 orders improvement.
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Key words
Spectroscopy,Synthetic code,Data-analysis,Optimization
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