1) Data Compact Ratio(DCR)
数据紧凑度
2) data compaction
数据紧凑
3) compactness
[英][kəm'pæktnis] [美][kəm'pæktnɪs]
紧凑度
1.
This paper presents how to automatically recognize components in a digital iconological image by labeling connected component and calculate its compactness and centriod.
通过对目标连通区域标记及紧凑度、重心位置计算的方法来实现数字图像中特征目标自动识别的功能。
2.
The process and characteristics of urban expansion are analyzed using fractal dimension and compactness based spatial morphologic measurement coupled with land use change survey.
选用分维数和紧凑度作为城市形态指数,与城市土地利用变化相结合研究城市扩展的过程和特征。
3.
Compactness with independence for translation,rotation,and scale,compound moment that is dimensionless,normalized fouri-er descriptor with independence for position,size orientation,and starting point of the contour are proposed.
图像区域具有平移、旋转和缩放无关的紧凑度(Compactness),无量纲的复合矩(moment),与位置和大小无关的归一化的傅立叶描述子(Fourier Descriptor)三个形状特征。
4) compact ratio
紧凑度
1.
Fractal dimensions, compact ratios, shape indices and types of urban l and expansion of 31 Chinese cities in 1990 and 2000 were computed by using dynam ic land-use data from the National Resources and Environmental Database establis hed by the IGSNRR, CAS.
基于国家资源环境数据库动态土地利用数据,借助GIS软件支持,分别计算了1990年和2000年中国31个特大城市平面轮廓形状的分维、紧凑度和形状指数以及城市的用地扩展类型。
2.
and GIS as charting and analysis method,the relationship between the space and time rule and the shape characteristics of the urban construction land expansion of Nanjing City and the population development were analyzed in this paper,with such indexes as construction land expansion intensity,the centre coordinates,compact ratio,and elasticity coefficient.
以Landsat MSS/TM/ETM+卫星遥感影像为数据源,以GIS为制图和数据提取的分析手段,通过引入城市扩展强度、重心坐标、紧凑度、弹性系数等指标,研究了南京城市扩展的时空规律、形态特征以及与人口发展之间的协调关系;并应用回归分析,筛选了能够解释城市扩张的主要社会经济因子。
5) compactness ratio
紧凑度
1.
Fractal dimension of urban form is a notion defined at macro level,while compactness ratio or circularity ratio is a spatial measurement of cities defined at micro level.
在城市地理系统对称发育的假设条件下,从标准圆出发,基于城市形态的几何测度关系推导出边界维数的倒数与紧凑度以及圆形率的半对数关系。
6) compact rations
紧凑度
1.
Fractal dimensions,shape indices and compact rations of urban spatial morphology of 12 cities in Wuhan metropolitan in 1990 and 2000 were computed by using dynamic land-use data from the national resources and environmental database established by the IGSNRR,CAS.
以国家资源环境数据库数据为基础,采用分形维、形状指数和紧凑度等指标,结合GIS分析方法,分析了1990年和2000年武汉市城市圈城市空间形态特征及变化趋势。
补充资料：数据通信网(见数据通信)
数据通信网(见数据通信)
data communication network
shu)u tongxinwang数据通信网(datac。mmunicati。nne饰ork)见数据通信。
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