2) x-ray sky
空间X射线星图
1.
For the purse of x-ray sky image segmentation,an algorithm based on improved pulsed coupled neural networks was presented.
为进行空间X射线星图分割及在X射线背景噪声中提取目标源,提出了改进的脉冲耦合神经网络图像分割算法。
3) star image
星图
1.
A new method of star image high precision extraction besed on local entropy;
基于局部熵的星敏感器星图提取方法
2.
Subdivided locating method of star image for star sensor;
星敏感器中星图图像的星体细分定位方法研究
3.
Track acquisition method of dim target in star images of moving background;
一种运动背景序列星图弱小目标运动轨迹提取算法
4) star graph
星图
1.
This paper first shows that in an n-dimensional star graph Sn where n≥3,for each vertices SV(Sn),|S|=n-1,if Sn-S is disconnected,there exists a vertex v∈V(Sn) such that N(v)=S.
首先证明在n维星图Sn中,当n≥3时如果存在点集SV(Sn),S=n-1使得Sn-S是非连通的,那么存在点v∈V(Sn),N(v)=S。
2.
In this paper,the star total chromatic numbers of general Mycielski′s graphs of star graphs and fan graphs are searched at the different situations,and obtained the star total chromatic numbers of them.
讨论了星图和扇图的广义Mycielski图的星全染色问题,得到了不同情况下它们的星全色数,其中每个点的色集合包含该点及其关联边的颜色。
5) Star map
星图
1.
This paper think the Chinese ancient anstronomer did not use the western projective in the course of drawing star map,on the contrany,they have their own personality methods.
通过对中国古代平面星图画法的研究,认为中国古代的天文学家在绘制星图时并未采用西方投影几何方法。
2.
This paper presents the work of observing stars in the course of reforming calendar in Chong Zhen period at the end of Ming Dynasty,and preliminarily researches into the star catalogues and star maps arising therefrom.
该文介绍明末崇须改历过程中的恒星现测工作，并对由此产生的星表和星图进行初步的研究。
3.
From the above,the thesis made an attempt to prove the importance of China ethnic groups in the development of Star maps.
描述分析已知的中国古代少数民族部分星图基本内容,可知北魏、唐代和辽国的少数民族星图和中原汉民族的星图内容是基本一致的,但吸收了西方的黄道12宫的内容,特别是在辽墓的星图上的黄道12宫图象已趋于中国化。
6) star
[英][stɑ:(r)] [美][stɑr]
星图
1.
Crossing numbers of cartesian products of stars with 5-vertex graphs
五阶图与星图的笛卡尔积交叉数
2.
Signed total domination numbers of complete graph,star,fan,wheel and the complete multipartite graph were obtained.
对几类特殊图的符号全控制数进行了讨论,分别计算出这几类特殊图的符号全控制数的上下界,并找到了满足这些界的符号控制函数,从而得到了完全图、星图、扇图、轮图以及完全多部图的符号全控制数。
3.
Marián Klec has computed the crossing numbers of some the Cartesian products of 5-vertex graphs with paths,cycles and stars.
本文扩展了他们的结果,确定了1个5阶图与星图的笛卡尔积图的交叉数。
补充资料：图的减缩图(或称图子式)
图的减缩图(或称图子式)
minor of a graph
图的减缩图(或称图子式)【.皿以ofa脚户;MHHoPrpa中a」【补注】设G是一个图(graph)(可以有环及多重边).G的一个减缩图(nullor)是从G中接连进行下述运算而得的任何一个图: i)删去一条边; 五)收缩一条边; 说)去掉一个孤立顶点. NRobe由on与P.D.Se脚aour的图减缩定理(脚Ph nl的。r theon习11)如下所述:已知有限图的无穷序列G，，GZ，…，则存在指标i
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