discrete topology 中文意思是什麼

discrete topology 解釋
離散結構
  • discrete : adj. 1. 分離的，分立的；顯然有別的。2. 不連續的；【數學】離散的；【哲學】抽象的 （opp. concrete）。adv. -ly
  • topology : n. 地學志；【數學】拓撲學；拓撲（結構）；【解剖學】局部解剖學。adj. -ical
  1. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變流器採用占空比擴展有源箝位正激式高頻脈沖直流環節電路拓撲，由占空比擴展有源箝位正激式高頻脈沖直流環節電路與dc ac逆變橋級聯而成，前級採用電壓型pwm前饋控制技術，后級採用三態dpm電流滯環控制技術。
  2. The temperature range is - 30 ~ 80. the topology of the step - up dc / dc converters and its basic principle is first analyzed in this thesis. then based on the conventional pfm control scheme, a discrete pulse frequency modulation is presented and the state space average model related to the ccm ( continue current mode ) and dcm is established

    然後在傳統的脈沖頻率調制方式的基礎上，分析了一種離散脈沖頻率調制方式，並建立了這種調制方式下升壓型dc / dc變換器在電流連續（ ccm ）工作模式和電流斷續（ dcm ）工作模式的狀態空間平均模型。
  3. 2. considering the characteristics of topology optimization of structures with discrete variables, a mathematics model of topology optimization of structures with discrete variables, including sectional variables and topology variables, with the aim of getting the minimum weight of the structures, is built up in this paper. this paper develops a from easy to difficult structure stability analysis mechanism, which

    2 .論文針對離散變量結構拓撲優化的特性，建立了包含截面設計變量和拓撲設計變量，以結構重量最小化為目標的離散變量結構拓撲優化數學模型，採用了由易到難的結構機動性分析機制，大大減少了結構重分析次數。
  4. Chaos in three typical topology power electronic converters with a close loop controller is studied. the discrete iterative model is established and analyzed for the chaos in close loop boost converter working in discontinuous conduct mode. the tracking control method is used to control chaos of this converter, simulation results show its effectiveness

    研究了三種典型拓撲結構的電力電子變換器閉環工作時的混沌現象，針對工作在電流斷續模式（ dcm ）下的boost變換器中的混沌現象，分析了其數學模型，並採用軌跡跟蹤控制方法進行了控制，模擬結果表明了該方法的有效性。
  5. In addition, for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation. this paper firstly put forward three principles : attribute principle of adjoining isolines, attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines. the bivalue - topology algorithm based on boundary tracking is given, which is founded on the three principle and is used to fill isoregions

    另外，在這兩部分中除了對邊信息鏈表的形成過程以及基於邊信息鏈表的等值線生成做了詳細討論外，還對規則格網數據的等值線追蹤中，一個網格單元上含四個等值點的特殊情形給出了一個比較有效的演算法，並在任意離散點數據部分對平面點集的三角剖分進行了著重討論。
  6. Hybrid genetic algorithm for discrete topology optimization of trusses

    離散變量桁架結構拓撲優化的混合遺傳演算法
  7. The numerical solutions show the integer - coded ga is effective. when number of the discrete value between representation for binary coding and in discrete list ca n ' t be corresponded by one - to - one, integer coding is predominant, and better solutions are achieved under the same parameters. in chapter 5, ga is applied to configuration optimization of truss with mixed variables and topology optimization of truss with singularity

    通過算例表明，整數編碼的遺傳演算法是有效的，而且在二進制編碼所能表示的離散值個數與變量的可選離散值數目不能一一對應大連理工大學博士學位論文一時，整數編碼顯示了它的優勢，在相同的控制參數下，能夠得到比二進制編碼更優的結果。
  8. In chapter 5 we introduce the concepts of topological reflexivity in several topologies, namely, the discrete, the norm, the strong and the weak operator topology. we prove that the spaces of (, ) - derivations on certain operator algebras are topologi - cally reflexive in the weak operator topology. the automorphisms and (, ) - derivations of reflexive algebras in banach spaces are also characterized in this chapter

    在第五章中我們引進了在離散拓撲、范數拓撲、強運算元拓撲和弱運算元拓撲下的拓撲自反性，證明了某些運算元代數上（ ， ） ?導子空間在弱運算元拓撲下是拓撲自反性的，同時我們還刻畫了自反代數的自同構和（ ， ） ?導子。
  9. We consider the following periodic boundary valve problems ( pbvps ) : where ( i. e., f is continuous as a map from the topological space i + r2 into the topological space r ( of course the topology on i, will be the discrete topology )

    考慮下面的周期邊值問題（ pbvps ） ：其中（ f是從拓撲空間i r ~ 2到拓撲空間r （這里的拓撲是離散拓撲）的連續映射）
  10. The method of generating elements and nodes automatically by reading coordinate data on surface of bus body is introduced and realized to discrete the topology space of three - dimensional turbulent flow field around buses

    客車周圍流場三維湍流數值模擬的空間離散化研究實現了由車身外表面離散點坐標數據文件自動剖分生成單元、節點和邊界條件的方法。
  11. 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。
  12. New method of discrete topology optimization of rigid frame

    離散變量剛架結構拓撲優化設計的一種新方法
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