The reasonable method based on theory of Ⅱ order to determine the unattached height and intervening distance of tower crane;
基于二阶理论的塔机独立高度及附着间距的合理确定
The influence of sampling spacing and sampling length on the fractal parameters of the two typical surface profiles was discussed and the scale independence of fractal parameters was determined.
通过结构函数分析法研究了不同采样间距及不同取样长度时金属研磨及刨削加工表面轮廓线的分形特性，分析了采样间距及取样长度对粗糙表面轮廓线分形参数Ｄ及Ｇ值的影响，确定了金属加工表面轮廓线分形参数的尺度独立性。
It is studied in this paper that linearity of measure curve, a new kind method about independent linearity is brought forward and different linearity are compared based on examples.
研究了测量曲线的线性度;提出了一种求取独立线性度的新方法,并结合实例对不同的线性度进行了综合比较。