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加权质心法亚像元定位误差研究
Authors
刘爱敏
吴易明
李朋
高立民
Publication date
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Abstract
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着重要的影响,合理对光斑 进行弥散可以达到提高测量精度的目的
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Institutional Repository of Xi'an Institute of Optics and Precision Mechanics, CAS
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Last time updated on 29/11/2016