杏耀手机登录线路测速在哪里【WWW.XINGYAOSHOUJIDENGLUXIANLUCESUZAINALI.EDU.CN】唐高宗时为皇后（655—683）、唐中宗和唐睿宗时为皇太后（683—690），后自立为武周皇帝（690—705），改国号“唐” ...

This paper introduces the algorithm, principle diagram, simulation tests and results of passive distance measurement technology to measure target distance based on infrared search and tracking system.