一种改进的恒星相机在轨检校方法An improved on-orbit calibration method for stellar camera
谢俊峰,龚健雅,江万寿
摘要(Abstract):
目前利用星对角距进行恒星相机在轨检校时,一般有两种方法,一种是不考虑镜头畸变,只检校相机内方位元素;另一种考虑畸变的影响,先检校相机内方位元素,再用多项式来拟合畸变。本文在利用镜头畸变规律的基础上,将畸变与相机内方位元素一并检校。实验表明,该方法比其他两种方法能更有效的提高相机检校精度。
关键词(KeyWords): 星对角距;恒星相机;在轨检校;内方位元素;镜头畸变
基金项目(Foundation): 国家973计划项目(2006CB701300-G)
作者(Author): 谢俊峰,龚健雅,江万寿
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