Design and Implementation of Visualization and Analysis Tool for 1-D Spectrum Based on MATLAB

With the development of LAMOST spectroscopic Sky Survey project, the accumulated spectra in the world have stepped into tens of millions of magnitudes. Due to the need of scientific research or the continuous output of a large number of low signal-to-noise ratio spectra, a large number of manual spectral identification tasks are often involved in spectral processing. In order to facilitate users to carry out manual spectrum recognition efficiently and conveniently, this paper designs and implements a one-dimensional spectral visualization and analysis tool based on MATLAB programming technology. The tool includes spectral line identification, filtering and denoising, redshift measurement, and equivalent width estimation. The tool is simple, intuitive in operation. It has high application value in the search of special celestial objects and the artificial processing of LAMOST "UNKONWN" spectra.