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spatial data modeling中文是什么意思

  • 空間數(shù)據(jù)建模 空間

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  • The distribution gis data management methods and its application in distribution running are systematically researched , which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ) , and distribution planning , which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure , the distribution feature and the two common gis data models are analyzed , which are vector and raster data models . then the conceptual and logic data models of distribution gis are designed . the spatial data storage structure is given by using vector method , and their detailed data management methods are proposed
    （ 4 ）將gis的空間信息分析功能應(yīng)用于配網(wǎng)空間負(fù)荷預(yù)測(cè)（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規(guī)劃的優(yōu)點(diǎn)，提出了一種根據(jù)饋線的歷史峰值負(fù)荷進(jìn)行外推的組合slf法：首先采用負(fù)荷轉(zhuǎn)移耦合法來(lái)修正負(fù)荷歷史，消除由于負(fù)荷轉(zhuǎn)移引起的誤差；然后根據(jù)實(shí)際饋線路徑和配網(wǎng)gis圖形分層，運(yùn)用圖層疊加分析得到饋線的實(shí)際供電范圍；接著采用灰色關(guān)聯(lián)度聚類(lèi)方法對(duì)饋線負(fù)荷增長(zhǎng)曲線進(jìn)行聚類(lèi)分析；最后采用遺傳規(guī)劃來(lái)對(duì)灰色聚類(lèi)結(jié)果進(jìn)行符號(hào)回歸，分別得到每一類(lèi)曲線的最佳擬合曲線形式。
  • This paper supplies systematic research on data organization method which is suitable for hngis , at the same time studies deeply on the optimization of transit route with many goals in highway network . ( 1 ) based on the systematic analysis on the spatial data model and the spatial data structure , through study on two kinds of commonly used gis data models : raster data model , vector data model and the characteristics of highway network , the paper plans the logistic data model of hngis , and proposed the spatial data storing structure based on vector method
    本文系統(tǒng)的研究了適合于公路網(wǎng)gis的數(shù)據(jù)組織方法，同時(shí)，對(duì)公路網(wǎng)多目標(biāo)最優(yōu)出行路徑問(wèn)題也給予了深入的研究： ( 1 )通過(guò)對(duì)兩種常用的gis數(shù)據(jù)模型(矢量數(shù)據(jù)模型、柵格數(shù)據(jù)模型)及對(duì)公路網(wǎng)絡(luò)特征的分析，設(shè)計(jì)了公路網(wǎng)gis的邏輯數(shù)據(jù)模型，給出了基于矢量方法的空間數(shù)據(jù)存儲(chǔ)結(jié)構(gòu)。
  • Firstly this paper ananlyzed the way and problem of digital city in 3d visualization . then generalizing the development in 3d cis . especially in 3d spatial data model . based on the existing 3d data model , digital city is composed of piont , wire , surface > soild , we can use 3d vector data model in building 3d city model . on the other hand the paper emphasizes 3d reconstruction and 3d interactive of city building model
    本文首先分析了數(shù)字城市三維可視化所面臨的問(wèn)題和發(fā)展現(xiàn)狀，總結(jié)了當(dāng)前3dgis ，特別是3d空間數(shù)據(jù)模型的特點(diǎn)和功能，在此基礎(chǔ)上，把數(shù)字城市中幾何目標(biāo)分類(lèi)為：點(diǎn)、線、面、體四種類(lèi)別，采用了三維矢量數(shù)據(jù)模型建立三維城市模型，而且本文著重探討了城市建筑物的三維重建以及三維交互。
  • This dissertation first discusses spatial data characteristics , and introduces spatial data models , spatial data structures and spatial indexes , and focus on the spatial data cache technology and the fast inquiry implementing agent technology and then analyzes the advantages of taking agent technology to solve the problems such as the network bandwidth dependence , the stability of data service , and query speeds which occur in the gis spatial data . this dissertation also discusses agent - based spatial data query model - absqm , which is designed according to agent
    本文首先討論了空間數(shù)據(jù)的特征,對(duì)空間數(shù)據(jù)模型、空間數(shù)據(jù)結(jié)構(gòu)以及空間索引進(jìn)行了分析與論述,重點(diǎn)探討了空間數(shù)據(jù)緩存技術(shù)和實(shí)現(xiàn)快速查詢的agent技術(shù),分析了agent技術(shù)解決gis空間數(shù)據(jù)導(dǎo)致的網(wǎng)絡(luò)帶寬依賴、數(shù)據(jù)服務(wù)穩(wěn)定性、查詢速度等技術(shù)問(wèn)題所具有的優(yōu)勢(shì),對(duì)設(shè)計(jì)的基于agent的空間數(shù)據(jù)查詢應(yīng)用模型( absqm )進(jìn)行了論述。
  • At the same time , we study the spatial data model , the spatial index and relationship of oralce spatial , at the end of the thesis , combined with the develop of the system of the medical healthy emergence mobilization of shanxi provice , we model a mathrnatic model for the command and control system of the system by petri net , then , we introduce the constituation of the system and the design of the database , at the last , we settle several difficult problems we encounter when we develop the system
    論文的最后，結(jié)合作者所承擔(dān)的“山西省醫(yī)療衛(wèi)生應(yīng)急動(dòng)員決策支持系統(tǒng)”的研制與開(kāi)發(fā)工作，先是用petri網(wǎng)對(duì)山西省醫(yī)療衛(wèi)生應(yīng)急動(dòng)員系統(tǒng)的指揮控制模型進(jìn)行了數(shù)學(xué)建模，然后介紹了本系統(tǒng)的構(gòu)成及軟件和數(shù)據(jù)庫(kù)的設(shè)計(jì)，最后是解決了系統(tǒng)中遇到的幾個(gè)難題。
  • In actual gis applications , both integrated gis platforms and specialized gis platforms are in demand . to satisfied with a special gis applications which has few spatial data , simple spatial objects , few demand for map ability , more demand for distance data access and more demand for multi - user cooperation ( i . e . : apply gis to telecomm resource management , electric power capital management , land property right management etc . ) , a spatial data model based on constructed point set storage is presented
    針對(duì)空間信息數(shù)據(jù)量較小、空間對(duì)象相對(duì)簡(jiǎn)單、圖形功能要求不高，但對(duì)遠(yuǎn)程數(shù)據(jù)訪問(wèn)、多用戶并發(fā)操作等功能要求較高的一類(lèi)特殊應(yīng)用(如電信資源管理、電力資產(chǎn)管理和宗地管理等) ，本文提出了一個(gè)基于構(gòu)造點(diǎn)集(用于空間圖形對(duì)象構(gòu)造的樣本點(diǎn)的集合，簡(jiǎn)稱為構(gòu)造點(diǎn)集)的全關(guān)系型空間數(shù)據(jù)模型，來(lái)滿足該類(lèi)應(yīng)用的特殊要求。
  • Spatial data is the key of gis functionality and data ' s collection , integration , analysis and representation of gis open the full process of spatial data . it compares some kinds of spatial data model of gis and points that more gis adopt vector data model as the main data model with people ' s improving requests to contents that data represent . multi - source spatial data enrich the representing ability of gis , the modules of multi - source data integration are analyzed and data integrati on in oil and gal field is studied
    空間數(shù)據(jù)是gis功能的核心， gis的數(shù)據(jù)采集、集成、分析和表現(xiàn)展現(xiàn)了gis數(shù)據(jù)使用的全過(guò)程，比較gis的幾種空間數(shù)據(jù)模型，指出人們對(duì)數(shù)據(jù)所能表達(dá)的內(nèi)容的要求增高，更多的地理信息系統(tǒng)采用矢量數(shù)據(jù)模型作為其主要數(shù)據(jù)模型；多源數(shù)據(jù)豐富了gis的表現(xiàn)能力，分析多源空間數(shù)據(jù)集成的模式，研究油氣田中的數(shù)據(jù)集成。
  • Based on the land - use database , the land database which support multiple expression of land information is established to realize scientific land management decision in different geographic space by applying object - retional database management gis graphic and attribute data to study the multi - scale spatial data model in land information system
    摘要本文基于土地利用數(shù)據(jù)庫(kù)，采用對(duì)象關(guān)系型數(shù)據(jù)庫(kù)管理gis圖形和屬性數(shù)據(jù)通過(guò)對(duì)土地信息系統(tǒng)多尺度空間數(shù)據(jù)模型的研究，建立支持土地信息多重表達(dá)的土地?cái)?shù)據(jù)庫(kù)，實(shí)現(xiàn)不同尺度地理空間下土地管理決策的科學(xué)化。
  • Finally , this paper introduces the status of arts of the spatial database ( sdb ) development . and presents sdb key technology such as spatial data modeling , query , optimizing and spatial data management technology . it is concluded that the development direction of sdb that geo - data and attribute data be managed under sdbms
    本文首先介紹了國(guó)內(nèi)外空間數(shù)據(jù)庫(kù)當(dāng)前發(fā)展動(dòng)態(tài)，其中主要介紹空間數(shù)據(jù)庫(kù)相關(guān)技術(shù)：空間數(shù)據(jù)模型、空間查詢優(yōu)化處理、空間數(shù)據(jù)庫(kù)管理技術(shù)等國(guó)內(nèi)外研究現(xiàn)狀，得出空間數(shù)據(jù)和屬性數(shù)據(jù)在數(shù)據(jù)庫(kù)體系下統(tǒng)一存儲(chǔ)管理為空間數(shù)據(jù)庫(kù)發(fā)展的必然趨勢(shì)。
  • Through full - scale and detailed investigation of application status of freeway safety management system , and based on the analysis of the system requirements , the authors present the whole framework of gis - based database including freeway basic information database , spatial elements database , decision - making model parameters database , and safety management counter - measures database , and introduce the content and structure of each subject database , and the design of spatial data model of freeway traffic network
    通過(guò)對(duì)系統(tǒng)的應(yīng)用狀況進(jìn)行全面、仔細(xì)的調(diào)查，在系統(tǒng)需求分析的基礎(chǔ)上，提出了以高速公路基礎(chǔ)信息庫(kù)、空間要素?cái)?shù)據(jù)庫(kù)、決策模型參數(shù)庫(kù)、安全管理對(duì)策庫(kù)為主體的數(shù)據(jù)庫(kù)整體框架，并介紹了各專題數(shù)據(jù)庫(kù)的內(nèi)容與結(jié)構(gòu)，以及高速公路交通網(wǎng)絡(luò)空間數(shù)據(jù)模型的設(shè)計(jì)。
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