1) Numerical differentiation
数值微分法
1.
Calculation of ray trace in bending fiber with numerical differentiation
数值微分法求解光纤弯曲时的光线轨迹
2.
The first and second derivatives of the coordinates of a cam profile are calculated using numerical differentiation method,and substituted with curvature radius formulas in calculus,thus obtaining its curvature radius.
应用数值微分法计算凸轮廓线坐标的一、二阶导数,代入微积分学中曲率半径公式,即得凸轮廓线的曲率半径。
2) DDA
数值微分法
1.
Based on studying the way of polar moment of inertia,a new method of major and minor axis detecting by DDA was provided.
特征提取是葡萄干等级检测的基础,该文在研究极惯性矩计算长短轴方法的基础上,提出一种利用数值微分法进行长短轴检测的新方法。
3) differential quadrature method
数值微分法
1.
This paper uses differential quadrature method (DQM) to analyse the stability of archs subject to blenling and torsion, and compares the result with the one of the finite element method.
用数值微分法对弯扭作用下拱的稳定性进行了分析，并将数值微分法的计算结果与已有的有限元解进行对比，表明该方法比其它数值法具有优越性。
5) numerical method for ordinary differential equation
微分方程数值法
6) numerical differential algorithm
数值微分算法
补充资料：数值微分法
数值微分法
differentiation, nunerical
数值微分法!成压”侧血位犯，.可旧欣川;朋巾中ePeH.po一。.e明e二.oe} 用数值方法求函数的导数.当徽分学(由吮比以阎以dcul留)方法不适用(函数是由表格得到的)或者相当困难(函数的解析表达式是复杂的)时采用这种微分法. 设在区间【a，b]上定义了函数“，并给定结点x‘，a二xl
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参考词条