| 加权质心法亚像元定位误差研究 |
| |
| 引用本文： | 李朋,高立民,吴易明,刘爱敏.加权质心法亚像元定位误差研究[J].电子测量技术,2011,34(6):43-46,72. |
| |
| 作者姓名： | 李朋 高立民 吴易明 刘爱敏 |
| |
| 作者单位： | 1. 中国科学院西安光学精密机械研究所,西安710119;中国科学院研究生院,北京100049
2. 中国科学院西安光学精密机械研究所,西安,710119 |
| |
| 摘 要： | 加权质心法常用于CCD星敏感器或自准直仪的亚像元定位细分过程,它直接影响着系统的定位精度,因此对加权质心法的误差分析有着极重要的意义.从质心法原理出发,详细分析了误差产生的原因,并推导出了质心法和加权质心法的误差计算公式.然后以点斑为例,对其系统误差和随机误差进行了定量分析和比较.分析证明,光斑大小对于系统的测量精度有...
|
| 关 键 词： | 星敏感器 误差分析 系统误差 随机误差 |
Research on subpixel location error of weighted centroiding algorithm |
| |
| Li Peng,Gao Limin,Wu Yiming,Liu Aimin.Research on subpixel location error of weighted centroiding algorithm[J].Electronic Measurement Technology,2011,34(6):43-46,72. |
| |
| Authors: | Li Peng Gao Limin Wu Yiming Liu Aimin |
| |
| Affiliation: | Li Peng1,2 Gao Limin1 Wu Yiming1 Liu Aimin1(1.Xi'an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi'an 710119,(2.Graduate University of Chinese Academy of Sciences,Beijing 100049) |
| |
| Abstract: | Weighted centroiding algorithm is often used in the subpixel location measurement process of CCD star tracker and photoelectric autocollimator,it directly affects the locating accuracy of the system,therefore,it is of great significance to research on the error analysis of weighted centroiding algorithm.Basing on the principle of centroiding algorithm,causes of error were analyzed in detail in this article,and also error calculation formulas of centroiding algorithm and weighted centroiding algorithm were d... |
| |
| Keywords: | star tracker error analysis systematic error random error |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
