Abstract: This paper will describe the development of a method for measuring the point-to-point global geometric accuracy of a very accurate, large, drum scanner that has been recently developed for the cartographic market. The process described is used to verify the accuracy of a scanner whose media handling capability is 44 in. $MUL 64 in. and whose accuracy specification is to be verified as better than .003 in. circular error throughout its entire scanning area. The technique developed is based on proper measurement fundamentals and is applicable to various types and sizes of scanning and plotting instruments. !
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机译：摘要：本文将描述一种方法的开发，该方法用于测量非常精确的大型鼓式扫描仪的点对点全局几何精度，该方法最近已为制图市场开发。所描述的过程用于验证扫描仪的精度，该扫描仪的介质处理能力为44 in。$ MUL 64 in。，并且其精度规格在整个扫描区域内都应验证为优于.003 in。的圆形误差。开发的技术基于适当的测量基础，并且适用于各种类型和大小的扫描和绘图仪器。 ！
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