This paper presents the generation background of feature technology and the related concepts and methods of feature modelling.
本文介绍特征技术产生的背景和特征建模的有关概念与方法。
Followed, based on the IR catalogue data, an approach for modelling the celestial background observed in any time, on any eyeshot and at any visual angel, is presented.
提出了一种基于星表数据的建模和仿真方法，模拟在任意观测时刻、任意观测地点观测到的星空背景。
Followed, based on the IR catalogue data, an approach for modelling the celestial background observed in any time, on any eyeshot and at any visual angel, is presented.
提出了一种基于星表数据的建模和仿真方法，模拟在任意观测时刻、任意观测地点观测到的星空背景。
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