%0 Journal Article
%T THE ELIMINATION OF BRIGHT CONTINUOUS SPECTRAL BACKGROUND IN SPECTROGRAM BY MEANS OF COHERENT OPTICAL PROCESSING<br>消除光谱图中强连续背景的相干光学处理方法
%A MU GUO-GUANG
%A KANG HUI
%A LI ZHENG-MING
%A <br>母国光
%A 康辉
%A 李正明
%J 物理学报
%D 1980
%I 
%X From the point of view of the optical information processing, we consider the spectrogram in which the spectral lines are immersed in the bright continuous background as a low contrast optical picture. By means of the coherent optical processing system and a special high-pass filter, the Fourier spectrum of the continuous background can be reduced and then the final result may appear as a spactrogram without continuous background. This may be considered as a new method for enhancement of the ratio S/N of a spectrogram.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=9B3526D797F250BDFF77A906F1A0E207&yid=E56875464B1C0EC1&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=89FA2FA9891FF61E&eid=B3645A659773B73C&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=0