Restoration of digital spectra - A comparison between two methods

Details Restoration of digital spectra - A comparison between two methods Restoration of digital spectra - A comparison between two methods

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.110..311b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 110, no. 2, March 1985, p. 311-319.

Astronomy and Astrophysics

Astrophysics

Digital Data, Image Reconstruction, Optical Data Processing, Stellar Spectrophotometry, Computer Programs, Data Reduction, Emission Spectra, Fortran, Fourier Transformation, Line Spectra, Normal Density Functions, Variable Stars

Scientific paper

In the present comparative study of two digital data restoration methods, with a view to astronomical application, the results obtained for the same sets of spectroscopic data, both simulated and experimentally observed, are discussed. The first of the methods employs Fourier transforms in conjunction with a filtering process; the second works in the space domain and is based on the use of cubic splines. Comparable results are obtained by both methods, with good precision.

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