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Vectorized Technology of Ventilator Characteristic Curve Graph
Author(s): 
Pages: 69-71,124
Year: Issue:  1
Journal: Coal Science and Technology

Keyword:  通风机特性曲线重合度矢量化自动绘制;
Abstract: 针对目前通风机特性曲线图形矢量化主要采用手工描点采集数据,使用Excel或自主开发软件绘图,数据采集和图形绘制是分离的,效率低且无法保证拟合曲线与原曲线的重合度等问题,利用矢量化方法,以原图为底板对曲线进行定位离散,并自动绘制出矢量图形.在此基础上,讨论了曲线采集点的数目和拟合方程的次数对拟合曲线重合度的影响.应用研究表明,该软件的效率是常规方法的5倍以上,自动绘制的图形与原图基本吻合,可以在现场...
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