Method for performing automatic seamless spectrum processing and wavelength calibration on space object

TL;DR: In this paper, a method for performing automatic seamless spectrum processing and wavelength calibration on a space object is proposed, which consists of a step of performing classification and preprocessing on a spectrum image of the space object, a step preprocessing bias images and dark field images of two-dimensional spectrums of the object and a scaling lamp.

Abstract: The invention relates to a method for performing automatic seamless spectrum processing and wavelength calibration on a space object. The method comprises the following steps: a step of performing classification and preprocessing on a spectrum image of the space object; a step of preprocessing bias images and dark field images of two-dimensional spectrums of the space object and a scaling lamp; a step of identifying, positioning and cutting the spectrum of the space object; a step of identifying and positioning the scaling lamp and then performing cutting; the step of performing tracing, rotation and spectrum drawing on the cut scaling lamp; the step of fitting a dispersion equation according to a known scaling lamp spectrum; a step of performing flat correction on the two-dimensional spectrum of the space object by use of a shot multiband flat field according to the dispersion equation; a step of performing tracing, rotation and spectrum drawing on the two-dimensional spectrum of the cut space object; a step of wavelength calibration; and a step of archiving and arranging all observation results.