attribute vector 中文意思是什麼
attribute vector
解釋
屬性向量-
Taking gis software ( arc / info and arcview ) and visual foxpro as basic plat, protracted the system maps of land resource, those basic subject maps included land use status map, land types map, soil types map, grade map and soil organic substance map, combing with former summarizing research results, built the spatial basic database of land resource ; based the spatial database, by the means of attribute table manipulation and take the map plot as basic unit to get the subject attributes of basic information, combined with social economy attribute information, built the attribute database ; take the spatial basic database as basic work, by the means of vector piles to get the land resource dynamic movement system maps, included land use status, land types and soil organic substance dynamic movement map
以gis軟體（ arc info 、 arcview ）與visualfoxpro為基礎平臺，繪制完成土地資源的系列圖，包括土地利用圖、土地類型圖、土壤類型圖、坡度圖、土壤有機質圖等基礎專題圖件，結合以前的工作成果，構築土地資源的空間本底數據庫；通過空間疊加分析，得到基礎單元圖斑，採用屬性表操作的方法獲取基礎單元圖斑的專題屬性信息，結合社會經濟屬性信息，建立屬性數據庫；以空間本底數據庫為基礎，採用矢量疊加對比分析的方法，得到土地資源動態變化系列圖，包括土地利用、土地類型、土壤有機質等動態變化圖。 -
Traditional mixed data model, which manages special data in the form of files and manages attribute data in the form of relation database, is adopted during building special database ( attribute database vector and grid database ) which is the nucleus of the data bank
數據庫中的核心部分?空間數據庫（屬性數據庫與圖形圖像庫）採用傳統的混合數據模型，以文件的形式管理空間數據，以關系數據庫管理屬性數據。 -
The spatial attribute is a coordinate geometry, or vector - based representation of the shape of the feature
而空間數據則為空間對象的幾何坐標或向量表示。 -
From the mapping relationship between information vector matrix and relative vectors, rough approximation, attribute relative reductions and selecting optimal attribute reductions set algorithms based on binary vector matrix were proposed
摘要根據向量矩陣與向量之間的映射關系，研究了基於二元向量矩陣演算法的粗糙近似、屬性約簡以及最優屬性約簡集的獲取。 -
The item of attribute frequency in the scan vector was taken as heuristic information to improve the efficiency of attributes reduction
以掃描向量中的屬性頻率項作為屬性約簡搜索的啟發信息，提高了屬性約簡效率。 -
There are three means to decrease the number of attributes : delete irrelevant attributes to the task using fisher ' s discriminant ratio ; merge correlate attributes according to pearson ' s correlation coefficient ; reduce the dimensionality of the attribute vector by singular value decomposition
在屬性選取時根據fisher函數把對分類影響小的屬性刪除，由pearson ' scorrelationcoefficient將相關聯的屬性合併，用singularvaluedecomposition減少屬性向量空間的維度。 -
In this paper, using arcview, in the process of land cover classification of kaifeng city, the geographical data such as the land use map are made into vector maps, then the assistant data, containing attribute of each land cover sort, are gained
本文以開封市土地覆蓋分類為例，利用arcview軟體對開封市土地利用圖等地理數據進行矢量化處理，得到包含各類地物屬性的輔助數據。
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