1) multiple-polarized range profile
距离—极化矩阵
1.
The main creative work includes:a) A novel radar target recognition algorithm based on multiple-polarized range profile is presented.
本文的主要创新性工作有:a)针对宽带多极化雷达,并以三种简单目标柱锥、圆锥、球锥作为研究对象,将一维距离像与极化信息相结合,提出了基于距离—极化矩阵的雷达目标识别算法。
2) distance matrix
距离矩阵
1.
Study on the improved topological index of distance matrix and its application;
改进的距离矩阵指数W_1~*及其应用研究
2.
The element of matrix in the distance matrix S*_~ij is defined and the topological index W* based on the distance matrix is defined as well.
定义了矩阵元Sij和基于距离矩阵的拓扑指数W。
3.
According to the adjacency matrix and distance matrix of the two units, the sequential formulas to calculate Wiener topological indices or molecular topological indices have been given.
将任一枝状烷烃拆分为由直链单元与余下烷基两部分构成,从隐氢图的距离矩阵和邻接矩阵出发,分别导出了计算该烷烃的MTI和Wiener拓扑指数的递推公式,进而证明了直链烷烃的MTI与Wiener指数间存在3。
3) matrix distance
矩阵距离
1.
Based on the minimum matrix distance criterion, the method equals to aggregating individual pairwise judgment matrices to find a matrix, the sum of whose distances to the individual matrices is minimized, and then the latter reduces to a goal programming model.
在分析了基于层次分析法的群体决策方法的类型、评价准则后,提出了一种基于最小矩阵距离准则的群体决策方法。
4) distance matrix method
距离矩阵法
5) three-dimensional distance matrix
三维距离矩阵
1.
A novel three-dimensional topological index 3-DM(W)was proposed on the basis of this three-dimensional distance matrix and the same calculation formular of Wiener index(W).
本文从有机化合物分子三维空间结构出发,用其原子间的空间距离以替代二维距离矩阵,传统表示方法中的拓扑距离(键的数目),首次提出并建立表示分子空间结构的三维距离矩阵计算模型,并基于三维距离矩阵提出三维结构拓扑指数3- DM(W),将分子所含原子个数和支化度组合作为BP人工神经网络(BPANN)的输入参数,利用BPANN预测烷烃化合物的临界温度(T_c),结果精度符合化工计算的要求。
6) Hamming distance matrix
海明距离矩阵
补充资料:距离
①在空间或时间上相隔:天津~北京约有一百二十公里ㄧ现在~唐代已经有一千多年。②相隔的长度:等~ㄧ拉开一定的~◇他的看法和你有~。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条