The equivalence between the mamdani type fuzzy systems using trapezoid or gauss membership functions and the piecewise interpolation functions is demonstrated . and the estimation of the approximation error is given 对mamdani系统,分析了隶属函数分别采用梯形和高斯型时一维模糊系统与函数插值的等价性和逼近误差。
This method not only can deal with the problem of singularity , but can simplify the numerical process of interpolation function , based on the principle of minimum total potential energy , the formulas of pim are arrived 固定节点法不但可以方便地消除系数矩阵奇异问题,而且插值过程很简单。由势能最小原理,推导了点插值方法的控制方程。
Third , use the software of matlab , extract the contour pels from the defect of experiment image . multinomial function and the interpolation function was to make the disperse datas change slide curve . after this , the defects were more analysed 第三,运用matlab软件,从实验图像中取出有用的缺陷的轮廓象素,并采用多顶式和插值曲线拟合方法对离散数据进行处理,在此基础上对缺陷进行分析。
In order to achieve a computer code with a maximum degree of vectorization , the numerical flux function must be written uniformly with sign function . to get higher order accuracy , the muscl interpolation functions are applied for van leer and roe schemes Vanleer和roe格式摘要( abstraet )均采用muscl插值使格式具有高阶精度,并采用连续可微的vanalbada通量限制器,使格式具有良好的稳定性和收敛特性。
A simple method for selecting the transform matrix which preserve the above property of multi - scaling vector was presented . with the dilation property of the fractal interpolation function , one multi - scaling vector and it ' s refinement equation was presented 给出了r = 2时,能够保持尺度向量上述特性的变换矩阵的一个简单选取方法,并且利用分形插值函数的伸缩特性,给出了一个尺度向量并推导了其满足的加细方程。
However , because the meshless methods are relatively new , there exist the following technical problems : 1 . complexity in algorithms for computing the interpolation functions ; 2 . difficulties in the implementation of essential boundary conditions ; 3 本学位论文针对目前无单元发展中存在的主要技术问题:形函数计算;本质边界条件实现;影响域大小(包含其中的点数)的确定;辅助积分网格等问题进行了研究。
A new osculatory rational interpolation kernel function is established , which is different from the classical linear interpolation kernel functions . generally , it is a more accurate approximation for the ideal interpolation function than other linear polynomial interpolants functions . simulation results are also presented to demonstrate the superior performance of this new interpolation kernel function 本文构造了一个全新的图像插值核函数?自适应切触有理插值核函数,同现有的线性插值核函数相比,其空域特性和频域特性均最接近合肥工业大学博士论文理想插值核函数sinc函数。
This paper presents the trajectory planning of five - bar hybrid driven mechanism based on inverse kinematic theory and spline interpolation function , analyses the effect of rotational speed of real time non - adjustable motor on the acceleration of the manipulator end point and real time adjustable motor , and then derives the mathematic relationship between them 摘要运用逆运动学原理和样条函数给出了混合驱动五杆机构的轨迹规划方法,并讨论了常速电机的转速末端执行器和伺服电机加速度的影响,得出了他们之间的数学关系式。
At first , this paper presents two - demensional quartic convolution interpolation to smooth digital terrain . it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation . two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation . it can satisfy real - time route planning of ucav 首先,在轨迹规划前需要对数字地图进行平滑处理,本文提出了二维四次卷积插值法。它在二维三次卷积插值法的基础上利用三次样条插值法的插值函数具有三阶连续导数的性质而得来的。