this paper is composed of two parts including 5 chapters . in the first part ( including chapter 2 ^ 3 ), this paper explains an improved geometry-model method to eliminating eclipse shadow, using satellite imaging theory and projection theory to convert plane rectangular coordinates into rectangular spherical coordinates . otherwise, through studying eclipse's shape and size, this paper uses a math-function-model to eliminating eclipse shadow 本文共有五章,主要内容分为两部分;第一部分包括第二、三章的内容,利用可见光云图成像原理以及点的投影法,将平面云图投影到三维直角坐标的球面上,对用于云图阴影订正的原几何模型法加以改进,得到改进的几何模型法,并进行日食阴影订正实验;本文还利用数学函数模型法,通过研究月球在地球表面投射阴影的形状及其受影响程度,从另一方面进行可见光云图日食阴影的订正实验研究。