Experimental results show that the fractal feature is effective for surface defects classification.
实验结果表明所提取的分维特征对于缺陷分类有较好作用。
The fractal feature of radar range is introduced based on the fractal feature of radar echo signal.
根据雷达回波信号的分形特性，分析提出了雷达作用距离也具有分形特征。
The fractal feature of M sets and generalized M sets corresponding to different critical points is studied.
研究了临界点对应的M集和广义M集的分形结构特征。
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