拓撲屬性 的英文怎麼說
中文拼音 [tàpūzhǔxìng]
拓撲屬性
英文
topologic properties-
In the skeleton extraction, an novel approach for extracting the skeletons directly from the gray images is developed by simulating the procedure of water eroding the topography surface. the resultant skeletons are single - pixel width and connected. it also lies in the middle line of the object and keeps the topological properties of the original image unchanged
在骨架提取方面,論文提出了一種通過模擬水流沖刷地形表面的過程來直接從灰度圖象中提取目標的骨架的高效演算法,它可以得到連通的、保持目標的拓撲屬性的、處在目標的中線上的、近似單象素寬度的骨架。It is built using graphical technology of geographic information system and can be used as the graphical plate for power system software, making the operation and the management of the devices easy and intuitionist, and the analysis of network topology more automatic and accurate. in the aspect of the calculation of loss, this system calculates the loss of the active power and reactive power, forms the result in the database considering the differences of load - curves at every node, and allows the property or queries loss of the devices using graphic interface
它以地理信息系統( gis )的圖形化技術為基礎,為電力系統軟體架設圖形化平臺,使設備的操作、管理更加直觀,使電力系統的網路拓撲分析程序更加自動化、準確;在線損計算方面,考慮了各負荷節點負荷曲線的不同,可以從計算結果中分別統計有功損耗和無功損耗,也可以方便的在配網圖上對各種元件進行屬性查詢,損耗查詢等。Research result shows that the object - oriented geographic spatial model has stronger representative ability, is easier understood and accepted ; using the concept of geometric data type unify the process method of attribute and spatial data, and simplify entity query and analyses. the topologic relations between entities, which are not been stored in explicit formulation in the model, can be achieved through collective operation of geometric object ' s hypergraph model. compared with traditional his, the query and analyses ability of which based on new model are stronger
研究結果表明,面向對象的地理空間模型具有更強的表現能力,並且容易被理解和接受;採用幾何數據類型的概念,可以使對非空間數據和空間數據的處理方法相統一,而且會使對實體的各種屬性數據(包括空間屬性)的查詢和分析模型更加簡單;對于面向對象模型中不顯式表示的地理實體間的空間拓撲關系,可以利用實體的幾何對象的超圖模型間的集合運算來求得;基於面向對象地理空間模型的實體查詢和分析,也比基於傳統gis數據庫查詢和分析具有強得多的功能。Different from traditional research methods of network congestion, the topology of peer - to - peer networks was analyzed to understand network congestion. first, real traffic of gnutella networ.
從對等網路的拓撲屬性研究網路擁塞,首先分析真實的gnutella網路的流量,確定節點介數與網路擁塞之間存在關系。The synthesis, structure, properties and interface behavior of nanocomposite materials based on layered v2o5 and moo3, which can be topotactically reacted with alkali - metal ions ( li +, na ~ ( + ), etc. ) have attracted more attention in recent years. the intercalation of polymer into the interlayer is expected to improve the interface and interlayer structure of these materials, resulting in desirable novel characteristics. in this dissertation, vanadium pentoxide sols were synthesized by melt quenching in oxygen atmosphere
近年來,利用能與鋰等堿金屬離子發生拓撲化學反應的v _ 2o _ 5 、 moo _ 3等層狀氧化物的層間結構特徵,將聚合物嵌入層間來改善界面和層間性質,使材料呈現出許多優異的性能,對這類材料合成、結構、性能和界面行為的研究引起了人們的極大興趣。Stzware is a two and three dimension spatial analysis software based on realms math model developed by nuaa, and the two - dimension subset of this software defines spatial data types on 2 - dimension discrete grid, such as point set ( privpoints ), line set ( privlines ) and region set ( privregions ), and implements attribute operation functions of these 3 types and topology analysis functions among these 3 types
Stzware是由南京航空航天大學研製的基於數學模型realms的二三維空間分析軟體,其中的二維子集定義了二維平面離散網格上的空間數據類型:點集( privpoints ) 、線集( privlines )和區域集( privregions ) ,並實現了這三種類型的屬性操作函數和這三種類型間的拓撲分析函數。The synthesis, structure, properties and interface behavior of nanocomposite materials based on layered v2o5 and moo3, which can be topotactically reacted with alkali - metal ions ( li +, na +, etc. ) have attracted more attention in recent years
利用與li ~ +等堿金屬離子可發生拓撲化學反應的moo _ 3 、 v _ 2o _ 5等氧化物的層間結構特徵,使聚合物嵌入層間來改善界面、層間性質,導致材料呈現出許多優異的性能。The synthesis, structure, properties and interface behavior of nanocomposite materials based on layered moo3 and v2o5 which can be topotactically reacted with alkali - metal ions ( li +, na +, etc. ) have attracted more attention in recent years. the intercalation of polymer into the interlayer is expected to improve the interface and interlayer structure of these materials, resulting in desirable novel characteristics
近年來,利用能與鋰等堿金屬離子發生拓撲化學反應的moo _ 3 、 v _ 2o _ 5等層狀氧化物的層間結構特徵,將聚合物嵌入層間來改善界面和層間性質,使材料呈現出許多優異的性能,對這類材料合成、結構、性能和界面行為的研究引起了人們的極大興趣。( 3 ) in order to analyze the structures by fem, " exist / void " character for elements is set up in the topology structures represented by ga chromosomes
( 3 )設定有限元分析單元的「存在/不存在」屬性,使得ga染色體表徵的拓撲結構可以進行有限元分析。First, the thesis designs a whole geo - spatial data bank. generally, it involves in fundamental information preparation, writing standards, graph layer division, graph digitizing, collection of attribute data, edition, topological treatment, pretreatment, graph splicing, incorporation of attribute data and the final establishment
論文首先對研究區地學空間數據庫進行了整體設計,大體經過基礎資料準備、制定數字化圖層及屬性文件格式標準、劃分圖層、數字化圖形與採集屬性數據、編輯修改與拓撲處理、進行預處理、圖幅拼接與屬性數據合併,到地學空間數據庫建立。分享友人