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一种新的APS数字式太阳敏感器测姿算法 被引量:1

A New Algorithm Of Attitude Measurement For APS-Based Digital Sun Sensor
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摘要 APS数字式太阳敏感器是卫星运行过程中所需要的姿态测量部件,是目前太阳敏感器的发展方向。APS数字式太阳敏感器在测姿时需要计算太阳像质心在APS成像面上的位置,常规的质心法在计算时存在着时间上的浪费,尤其当太阳像的面积相对成像面面积较小时,时间浪费尤其明显。本文提出了一种新的太阳像质心快速计算方法,该方法能够大幅度提高质心的求解速度,并且能够保障一定的计算精度。 APS-based digital sun sensor is necessary for the satellite to measure its current attitude, which is the developing trend of the sun sensor. When APS-based digital sun sensor is used to measure attitude, the centroid coordinates of the sun image on the APS is required to be worked out. The usual 'Centroid' algorithm consumes overfull time, especially when the area of the sun image is more smaller than that of APS. A new fast method to calculate the centroid of the sun image is brought forward in this paper. The merit of the new algorithm is that it can improve the speed of the calculation obviously and ensure the demand of the precision.
出处 《传感器世界》 2007年第6期6-9,共4页 Sensor World
关键词 APS 数字式太阳敏感器 测姿 质心 算法 仿真 APS digital sun sensor attitude measurement centroid algorithm simulation
作者简介 何丽,中国人民解放军73908部队工程师,电子工程学院博士毕业,专业为光电工程。研究方向为光电工程 通讯地址:江苏省南京市中央北路97号73908部队(邮编210037)联系电话:13401989663 Email:heli1734@sohu.com 胡以华,中国人民解放军电子工程学院博士生导师、教授,研究方向为航天信息对抗,图像处理、光电对抗。 杨勇,中国人民解放军73908部队工程师,研究方向为雷达工程。 徐自飞,中国人民解放军73908部队工程师,研究方向为雷达工程。
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参考文献12

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二级参考文献5

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