A study is made of the theory of linear fractal interpolation and a model called fractal interpolation approximate model is presented from the self - similarity of share price signals . also , a comparison is made of the interpolation method and times 研究了线性分形插值理论,结合股价信号的自相似性,提出了股价序列分形插值逼近模型,并作了插值方法和插值次数的比较。
Inverse distance weighted ( idw ) method is sensitive to the distance and circle distributions are found around sampling point . idw is an accurate interpolation method in case of the field information diffused from some center points 距离反比法插值对距离比较敏感,出现很多以采样点为中心的圆形分布,在以点为中心呈扩散状分布的农田信息,采用距离反比法具有较好的插值效果。
For eliminating contradiction between real - time and accuracy , we bring forward separately limit of error and reversal interpolation method . in the end , for decreasing calculation quantity , we resort to tri - spline interpolation in the articulation space 对于规划中精确性和实时性的矛盾,提出了以误差极限法和反向插值法来解决的方法,最后,为了减少规划过程中计算量,在关节空间进行三次样条插值。
Our algorithm significantly outperforms the classical bilinear and bicubic interpolation methods in terms of edge sharpness and artifact reduction . 4 . the applications of the continued fractions are extended , which will further push forward the study of the continued fractions 而本文的方法是基于用非线性方法进行边缘处理,该方法将newton线性插值方法和连分式有理插值方法进行有机的结合,提高了图像的插值速度和效果。
Through the comparison with fem , the reason of the above problems are found , which is the shape functions are constructed by fitting method , but not by interpolation method ; so the dissertation mainly studied the meshless method based on the theory of interpolation 通过与有限元法比较研究,指出了产生现存问题的根源就在于形函数的构造方法不同,相应地得出发展基于插值型形函数构造理论的无单元法是解决该问题的一种有效方法。
Through studying the general interpolation methods , such as biliner and bicubic , we present the three points interpolation arithmetic which can be used to achieve the image scaling function . the interpolation effect of this arithmetic is better than that of biliner , and it cost less time than bicubic 通过对双线性、三次曲线等常见插值算法的研究,提出了三点插值算法,该算法效果好于双线性插值,速度优于曲线插值,较好的完成了图象缩放功能。
To machine the honeycomb sandwich , an interpolation method based on a rotary axis is also studied . with the round vector function and rotary movement group , a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface 以圆矢量函数和回转运动群为工具讨论了曲面的误差变换,利用理论椭球面的误差曲面建立了实测曲面的数学模型,通过求解理论曲面的法线实现了实测曲面的等距计算和阴阳面数据转换。