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基于ε_σ模型的GIS直线元误差带研究

The Error Band for Line Segment in GIS ε_σ Model
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摘要 本文首先运用函数的单调性和极值理论,证明了在不确定性εσ模型中,平面直线元误差带具有"两端大,中间小"的几何特征,然后求出了线元误差带最小带宽的位置及其最小带宽,最后,利用计算机进行实例计算,从实验上证明了该结论的正确性。 In this paper, the error band for GIS uncertainty εσ mode of two-dimension line segment is studied. Based on the monotone and extreme theory of function, the geometrical shape of error band for line segment εσ model theoretically is proved, and the minimum and its position of error band mathematically is obtained.
作者 刘伯红
出处 《微计算机信息》 北大核心 2007年第25期221-222,214,共3页 Control & Automation
基金 重庆邮电大学自然科学基金资助(A2006-58) 重庆市教委科学技术研究基金项目(040511)
关键词 GIS 线元 εσ模型 误差带 GIS, line segment, εσ Model, Error Band
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