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《Surveying and Mapping of Geology and Mineral Resources》 2008-01
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Surveying Accuracy and Analysis of Circular Culture Object

LIU Ke-li(School of Architectural Engineering,Shandong University of Science and Technology,Zibo Shandong 255049,China)  
The determining orientation of circular culture object is a common problem in survey.The position and shape of circular culture object must be determined and its accuracy of the coordinate and radius(location parameters) of circular object must be evaluated.But there is not a complete model of determining orientation of circular object and the accuracy evaluation.This paper presents direct calculating formula of location of the circular object's centre,radius(location parameters) and the accuracy evaluation of three location parameters.Then the adjustment model is given.At last,all formulae are right provided by the instance.It is useful that locating and evaluating of circular culture object are necessary.
【CateGory Index】: P217
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