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use data
相关语句
  利用数据
    1. On the basis of the analysis of the background, progress and methods of land use / cover change (LUCC) research on the world, the main contents and methods in this paper is proposed for focusing on spatial-temporal land use data capture and quality control, and land use / cover change (LUCC) modeling and analysis in Jiading district, Shanghai.
    1、详细分析了国内外土地利用/覆盖变化的研究背景、研究进展和研究方法,由此提出了本文的主要研究内容和研究方法,即以上海市嘉定区为研究区域,研究以土地利用数据采集、土地利用数据质量控制、土地利用变化建模及分析等。
短句来源
    Based on land use data of 1985 and 2000 in Hetao Irrigation District, land use change and landscape pattern change were analyzed.
    利用1985年和2000年的土地利用数据,对内蒙古河套灌区的土地利用变化及景观格局变化进行了研究。
短句来源
    While defining the spatial auto-relation index and an algorithm for spatial autocorrelation measurement is propsed,and the fair results are obtained in the experiment with the land use data.
    本文以名义尺度下的栅格数据作为研究对象,通过定义空间自邻接指数提出一种空间自相关测度算法,并将其应用到土地利用数据分析中得到了较好的试验结果。
短句来源
    Land use data consist of spatial data and attribute data. Land use spatial data are characteristic of continuously distribution in geographic region. Land use attribute data also contain rich semantic information and thematic information.
    土地利用数据可分为空间数据和属性数据两种,土地利用空间数据具有连续分布整个地理空间的特点,土地利用属性数据具有丰富的语义信息和专题特征。
短句来源
    Taking Jiading district, Shanghai as the study area, this paper has studied some essential problems on modeling land used change at the views of time and space, including sptatil-temporal land use data collection and acquisition, land use data processing and quality control, land use change process, causes and driving forces, and land use change models.
    论文以上海市嘉定区作为研究区域,以土地利用数据采集、处理、质量控制、建模、分析为研究主线,围绕时间域和空间域两个角度,对嘉定区土地利用数掘的采集与获取,土地利用数据处理与质量控制,土地利用变化测度、机制与驱动力,土地利用变化模型等进行了系统研究。
短句来源
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  使用数据
    Besides, on the base of researching popular metadata criterion home and abroad, the estuarine and coastal metadata content criterion is built in this paper, and browsing and querying core metadata functions have been finished, which can help user understand information correlative with data, and help them use data effectively.
    另外,本文在研究国内外元数据标准的基础上,初步建立了河口海岸元数据的内容,并实现了核心元数据的浏览与查询,以帮助用户快速了解数据的状况,从而更有效的使用数据
短句来源
  “use data”译为未确定词的双语例句
    Based on the land use data in 1970 and 2000,the landscape pattern over an agricultural change period in Jianning,China has been analyzed with the GIS software-Mapinfo7.0 and a special index analysis software-Apack2.22. The results showed that great change has happened during the past thirty years.
    利用1970年与2000年的土地利用现状资料,采用地理信息系统软件Mapinfo7.0和景观指数计算软件Apack2.22对福建省建宁县农业发展转型期前后的景观格局变化进行了定量分析.
短句来源
    Then based on the land use data in 1995, a land use change matrix for 1995─2000 was worked out using a classification comparison method.
    然后结合1995年土地利用现状数据,运用分类结果比较法求得研究区土地利用/覆盖变化转移矩阵,据此对南川市1995─2000年土地利用/覆盖变化进行研究。
短句来源
    USING DIFFERENTIAL GPS TECHNOLOGY TO UPDATE LAND USE DATA
    运用差分GPS动态获取高精度土地资源变化数据的新技术
短句来源
    The Ponderation of Land Use Data Liquidating Project
    基于用地数据清理工作的思考
短句来源
    2. The methods for collection and acquisition of multi-source based spatial-temporal land use data in Jiading district are presented.
    2、研究了嘉定区土地利用多源时空数据的采集与获取方法。
短句来源
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  use data
We use data on open star clusters (OSCs) from the Homogeneous Catalog of OSC Parameters to determine some of the parameters of the spiral structure of our Galaxy: the pitch angle of the spiral arms
      
Numerous measurements for a small and varying number of background neutrons in the trap make it possible to extract and use data for determining the mean neutron lifetime.
      
Cases of alcohol or substance misuse and dependence were identified through standardised interviews with patients and keyworkers, and socio- demographic and in-patient psychiatric service use data were also recorded.
      
To evaluate segmented reconstruction algorithms for spiral multi-slice computed tomography (MSCT) that use data from two cardiac cycles to improve temporal resolution (τ) for imaging of the heart.
      
Subdivision of polygon parcel in land-use data generalization
      
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To improve remotely sensed imagery classification accuracy is one of the main topics in the field of remote sensing application research. Integrating geographic data, interpretation knowledge used by expert, a new method was proposed. In classification procedures, DEM, slope and previous land use data were used as well as imagery, knowledge was represented by rules. The method has been approved to be effective to improve the classification accuracy compared to a Maximum Likelihood Classifier.

提高计算机遥感影像的分类精度,是遥感应用中研究的主要问题之一。作者以规则的形式表示遥感影像解译知识,使用TM影像数据和DEM、坡度、土地利用图等地理辅助数据,从遥感影像处理/地理数据/专家知识一体化的角度出发,使用基于知识的方法进行了研究,改善了分类精度。实例研究证明了方法的正确性。

The dynamic monitoring of land use is an important routine work of land managers. Generally speaking, it consists of five components: ① actively identify the changes of land use; ② accurately and rapidly collect the spatial and attribute data of changing areas; ③ automatically update the land use spatial database; ④ computer based manage and organize land use information; ⑤ query, visualize and map the land data. Unfortunately, in most areas of China, land use maps are updated in traditional manual way, in...

The dynamic monitoring of land use is an important routine work of land managers. Generally speaking, it consists of five components: ① actively identify the changes of land use; ② accurately and rapidly collect the spatial and attribute data of changing areas; ③ automatically update the land use spatial database; ④ computer based manage and organize land use information; ⑤ query, visualize and map the land data. Unfortunately, in most areas of China, land use maps are updated in traditional manual way, in which paper and cards are main media for data representation. Obviously it lacks flexibility in data management and needs a long term mapping period. Secondly, in traditional way land use change can't be identified actively. Furthermore, it is time consuming and cost consuming in routine surveying ways. In order to satisfy the practical use, a new approach to dynamic monitoring of land use change is proposed based on the integration of RS, GIS and GPS technologies. Remote sensing technology, which has made great progress in many applied fields, can provide an efficient means for active identification of land use change. Because the resolution of remotely sensed data is not enough for mapping land use map at a large scale, differential GPS is necessary for accurately collecting change data in the field. The GPS receivers Magellan ProMark X-CM are selected to organize differential GPS system, which includes one base station and several mobile surveying GPS receivers. Considering cost, those data GPS received are based on post differential processing way, not real time kinematic. The error of post processing data is less than 2 meters, so they can satisfy mapping requirement at 1∶10 000 scale. By integrating both RS and GPS data into GIS, change data layer can be created. By means of spatial analysis tools of GIS, the change layer can be overlaid with historical land use data, and dynamic change information will be abstracted. This approach to dynamic monitoring of land use is a fully digital operation, so it makes best use of computer and GIS to manage, display, query and map the land use data. In our pilot area of Jiaoqu County in Inner Mongolia, the procedure is established and carried out. Compared with the traditional way, our new approach saves time about 60% and labors 50%. The resultant data collected by GPS are more accurate than those collected in traditional way. The users are very satisfied with our research work and they decided to adopt this new approach to accomplish the annual land use dynamic updating of Baotou City.

土地利用数据的更新是土地管理工作的重要内容之一。依靠常规的手段不仅更新速度慢、难以主动发现变化区域,而且成图周期长、误差大。依靠遥感(RS)手段可以主动快速地发现变化区域,运用差分GPS技术可以精确获取土地利用变化的数量和性质,GIS则是管理土地利用的图形数据和属性数据(如土地利用类型、权属、图斑号等)的有效工具。基于RS、GIS和GPS的集成技术建立面向工程目标的土地利用动态监测新方法是本文研究的内容。

The vehicles positioning information collected through Global Positioning System (GPS) record the location of vehicles in different time accurately. In this paper we use data collection method and image thinning algorithm to make out the actual road lines from vehicles tracks,the road lines can be used as a actual map to adjust the digital map. [

通过全球卫星定位系统(GPS) 采集到的车辆定位信息,较精确地记录了车辆在不同时刻的位置数据。本文运用数据采集和图像细化处理的方法,从中提取出了位置比较准确的道路曲线,为数字地图的校准工作提供了精确的图源

 
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