raster data model 中文意思是什麼

raster data model 解釋
柵格數據模型
  • raster : n. 【電視】光柵，（無圖像的橫線）屏面；【攝影】綱板。
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. Several data formats fit the raster model well

    有些數據格式可以很好地適用於柵格模型。
  2. This summary report describes how the planning department, with the help of the consultant, star vision ltd., has capitalized on the recent advancements in computer technologies ( including aerial photography, digital mapping, raster data modelling, three - dimensional data modelling and flythrough animation ) to deliver a 3d digital model of hk, which enables the management of planning data and assessment of visual impacts in a more effective manner

    規劃署在顧問星眺有限公司協助下，運用空中攝影、數碼測圖（ digitalmapping ） 、格柵數據模型（ rasterdatamodeling ） 、三維數據模型、模擬飛行（ flythroughanimation ）等先進電腦科技來開發一套香港立體模型的電腦系統，令處理規劃資料和評估景觀影響的工作達到更高的質素。本摘要簡介製作這個系統的過程。
  3. On the platform of digital basin derived from raster dem data, - a grid - based hydrological model and a subcatchment - based hydrological model were used to study the effects of spatial variability on runoff process on such aspects as precipitation, model parameters and soil evaporation

    在構建的數字流域平臺基礎上，建立分別基於子流域離散和柵格離散的數字水文模型，從而分析研究降水、模型參數和土壤蒸發的空間不均勻性對模擬水文過程的影響。
  4. The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics

    將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準，然後通過構建林地面積比與新安江模型參數sm的關系間接確定各子流域及各柵格單元的的sm值，新安江模型參數imp由配準好的土地利用和地表覆蓋信息直接提取，由此建立方案與方案，來分析受下墊面覆蓋的空間不均勻性影響的模型部分參數是如何對模擬水文過程產生影響的。
  5. In the first place, the study processed data of remote sensing and non - remote sensing to be digital, vector, raster and imagery geocode, established geographic database of soil erosion, and calculated elements " pixel maps of soil erosion. secondly, by using model builder of arcview to establish dynamic survey model of soil losses in longchuan river drainage basin. at last, to obtain maps of status & the forecast maps for soil conservation

    首先通過遙感與非遙感資料的數字化、矢柵化及圖形圖像地理配準，建立了水土流失地理數據庫，並運算出水土流失各因子像元圖；在此基礎上，憑借arcview子模塊modelbuilder的支撐，建立龍川江流域水土流失動態監測模型；最後運行該模型獲取水土流失現狀圖和防治預報圖等結果圖件，完成了研究區1998 、 1999年水土流失定量遙感監測任務。
  6. Land adaptability evaluation based on vector - raster mixed data model

    基於矢柵混合數據模型的土地適宜性評價研究
  7. 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

    本文系統的研究了適合於公路網gis的數據組織方法，同時，對公路網多目標最優出行路徑問題也給予了深入的研究： （ 1 ）通過對兩種常用的gis數據模型（矢量數據模型、柵格數據模型）及對公路網路特徵的分析，設計了公路網gis的邏輯數據模型，給出了基於矢量方法的空間數據存儲結構。
  8. Employing raster data model for data processing and integration, and

    在資料處理和集成中採用柵格資料模型；
  9. In the raster data model, the map s accuracy also depends on the map s scale

    在柵格數據模型中，地圖的準確性還依賴于地圖的比例。
  10. The library gives programmers a common data model covering all raster data formats and - through ogr - vector data formats

    該庫為編程人員提供了通用的數據模型，包括所有柵格數據格式和矢量數據格式（通過ogr ） 。
  11. 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用於配網空間負荷預測（ saptialloadforecasting ， slf ）的研究：綜合利用灰色理論及遺傳規劃的優點，提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法：首先採用負荷轉移耦合法來修正負荷歷史，消除由於負荷轉移引起的誤差；然後根據實際饋線路徑和配網gis圖形分層，運用圖層疊加分析得到饋線的實際供電范圍；接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析；最後採用遺傳規劃來對灰色聚類結果進行符號回歸，分別得到每一類曲線的最佳擬合曲線形式。
  12. On the basis of raster digital elevation model ( dem ) data over the laohahe river catchment in the upper and west area of the liaohe basin within inner mongolia autonomous region, the digital elevation drainage network model ( dednm ) is applied for assigning flow - vector directions over flat and depressional areas of the dem, for identifying stream network and watershed divides, and for establishing spatial topological structure of subcatchments and stream network

    基於遼河水系老哈河流域柵格數字高程模型（ dem ）數據，採用數字流域水系模型（ dednm ） 、河流工具rivertools 、地理信息系統arcview軟體，根據地形提取水系信息，構建數字流域水系、子流域與河網的空間拓撲關系。
  13. The algorithm takes advantage of the merits of the watermarks both in low frequency and high frequency and can embed more information with less distortion. experimental results show the algorithm is robust to many common image operations. as for the vector map data, an uniform model of embeding watermark for vector maps and raster maps is proposed after current trend of research and watermarking methods of 3 - d vector images are summarized, primary study results show the model is effective and promising to further research

    目前該問題在國內外都還處于探索階段，作者在分析了國內外三維矢量水印的研究狀況、研究方法后，提出了將矢量數據中的部分信息轉化為柵格形式后再嵌入水印的方法，該方法使地圖柵格數據和矢量數據在嵌入水印時能夠使用統一模型，初步的實驗結果表明該方法為二維地圖矢量數據的水印嵌入開辟了一種新途徑。
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