分形模型参数与粗糙度参数Ra关系的研究
Study of the Relationship Between Fractal Model Parameters and Roughness Parameter Ra
介绍了W－M分形模型参数（D,G,γ）的物理含义，研究了分形参数（D,G,γ）与粗糙度参数Ra之间的联系，导出了分形参数（D,G,γ）与粗糙度参数Ra关系式，用数值分析拟合方法验证了关系式的正确性。
The W-M fractal model and the physical meaning of fractal parameters (D, G，y) are briefly introduced in this paper. The relationships between model parameters and roughness parameter Ra are studied theoretically. The simulation shows that their relationships are correct.
W-M fractal model / fractal parameters / roughness Ra
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