1) box counting
盒维数法
1.
The edge of non-metallic inclusions in steel was counted using the method of box counting in fractal theory,and idiographic range of fractal dimension for each kind of inclusions.
应用分形理论的盒维数法对钢中非金属夹杂物颗粒外缘的分形维数进行了分析计算,得出了各类夹杂物颗粒外缘分形维数的具体范围,并对维数与夹杂物特性的关系进行了分析。
2) box-counting dimension
计盒维数法
1.
The fractal dimension of the metallic material was calculated by box-counting dimension.
通过仿生、分形与材料制备相结合的途径,以天然分形材料海藻作为基底材料,利用化学沉积 和电沉积的方法,制备出具有明显分形结构的金属镍,用计盒维数法计算出其分形维数为1。
3) box dimension
盒维
1.
The box dimension of the P wave and the f wave were calculated,and the evident differences between the related information (when AF ap.
本研究提出了一种简便有效的、基于频数直方图的由心电图 (ECG)检测QRS T波的新方法 ,从而获得未房颤时的P波、房颤时的f波 ;文中利用分形维分析法对P波、f波信号进行了处理和分析 ,计算了P波和f波的盒维数 ,特别是 ,比较了未房颤时和发生房颤时的相关信息的显著差别。
4) box-counting fractal dimension
计盒维
1.
Determination of the box-counting fractal dimension and information fractal dimension of beef marbling;
牛肉大理石花纹计盒维和信息维的测定
5) box counting dimension
盒维数
1.
The box counting dimension was implemented to quantitatively describe the characteristics of the acoustic emissio.
此外,采用经典欧式几何方法描述声音信号误差较大,提出了用曲线盒维数作为特征值来量化具有混沌特性的点焊声音信息,结果表明,盒维数能反映点焊质量微小变化,可提高质量检验的准确性。
2.
According to the non-linear character of voltage signal during aluminum alloy spot welding,the nugget quality is quantitatively described by using the Box Counting Dimension as the characteristic parameter for the first time.
针对铝合金点焊过程中电压信号的非线性特点,从分形理论出发,首次尝试利用盒维数作为特征量对点焊质量进行定量描述。
3.
On the basis of the fractal theory, general form and calculation method of the fractal characteristic are given, that is the calculation model of non-close fractal curve length and closed area, and box counting dimension algorithm.
基于分形理论,给出了分形特征的一般形式及其计算方法———非闭合分形曲线长度与围成面积的估算模型和盒维数的算法。
6) box-counting dimension
盒维数
1.
Start with the unit interal [0,1],using a sequence of decreasing dissection ratios,gets a Cantor set and give its box-counting dimension when the sequence limit exists.
以[0,1]区间为研究对象,利用单调递减的分割比例序列构造了Cantor集E,给出了该序列极限状态下E的盒维数。
2.
Based on the calculation method of box-counting dimension and digital image memory principles,the relationship between digital image and pixels matrixs as well as narrating how to obtain fractal figures from binary images was discussed.
依据盒维数算法思想及数字图像存储原理,探讨了数字图像像素矩阵与图形之间的关系以及如何通过图像二值化获取分形曲线图形。
3.
This paper introduces the definition of box-counting dimension and its theoretical solution algorithm in fractal theory and gives the computation method of fractional dimension in discharge hydrograph.
介绍了分形理论中盒维数的定义及其理论求解方法,给出了流量过程线的分维估算方法;运用此理论研究了雅砻江锦屏二级电站猫猫滩闸址处典型年天然月平均流量和人工调节下泄的月平均流量过程线的形态特征。
参考词条
补充资料:等维数理想
等维数理想
eqtn-dhneraional ideal
等维数理想[仰‘一山m改‘.目油川;IlecMeluaHll“‘期e幼〕 (在某个域k上有限生成的)整区R的一个理想m,它具有如下性质:在准素分解m=勿;,n…门勿,中,所有与准素理想勿,,…,汤,相伴的素理想玛,’’、平:皆有相同维数,也就是说,对所有i,商环R/叭皆有相同的为间1维数.这一共同的维数称为等维数理想m的维数(由nrns沁noftheeq山~dinrnsjonalideal). 如果R是某一仿射簇X上的正则函数环,那么R的一个理想m是等维数的,当且仅当由m所定义的子簇YC=X的所有不可约分支都有相同维数. 月.B.K”~撰【补注】一个等维理想也称为非混合理想(坦爪血比记份1).人们有时也用(理想的)“等维数”(闪w,dinrn,s沁n)来替代术语“等维数理想的维数”. 整闭的Noc公rr整环是一个整区,它的所有主理想是等维数的,【AI],p.l%.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。