Aiming to the principle of dimensional target point location in close shot photogrammetry,a new kind of calculational method of dimensional target point location is put forward based upon collinear equation intersection method.
目前近景摄影测量学空间物点定位主要应用的是空间点线线交会原理,其数学基本形式有两种:共线方程交会法和投影矩阵交会法。
Lens equation of axis-beyond object point is derived by Fermat s principle, the process of derivation indicates clearly that near axial conditions are necessary and sufficient conditions of ideal image formation.
用费马原理推导透镜对轴外物点的物像公式,推导过程清楚表明近轴条件是理想成像的充分必要条件。
The imaging law and the charting method of bodies runs through the geometrical optics, the courses of reflection or refraction, especially the opticalels , are usually met with when charting and imaging virtual bodies and virtual dots, which are not expounded in the text book.
物体的成像规律及作图方法贯穿几何光学的始终 ,在折射或反射、特别是在光具组的成像过程中 ,往往会出现虚物的作图求像 ,而教材又没有具体阐明相应的内容 ,针对这种情况 ,在近轴条件下 ,用平行于主光轴的入射光线的性质阐明虚物在各光学元件中的成像规律 ,并对主光轴上虚物点的作用给出一般的方
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