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在分析计算机辅助设计线图数据处理的现状后 ,提出了其线图数据处理的GM (1,1)模型参数估计的函数变换法。该模型不仅适用于等间距也适应用于非等间距的线图。实例表明 ,该方法简单实用 ,值得在计算机辅助设计中推广使用
After analyzing the current situation of data processing of computer aided design line graph, a function transformation method of parameter estimation of GM (1,1) model is proposed. The model is not only suitable for equally spaced but also for non-equally spaced line drawings. The example shows that the method is simple and practical and worth to be popularized in computer aided design