拓撲函數 的英文怎麼說

中文拼音 [tàpūhánshǔ]
拓撲函數 英文
topological function
  • 拓 : 拓動詞（把碑刻、銅器等的形狀和上面的文字、圖形印下來; 拓印） make rubbings from inscriptions pict...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. On quadratic function topological conjugacy

    關於二次函數的拓撲共軛
  2. In the framework, a control mesh may be arbitrary one - dimensional or two - dimensional orientated topological manifold, and the curve or surface is defined on differential manifold homeomorphic to the control mesh with a potential function as its basis functions. this method is an extension of nurbs, which efficiently overcomes the limitations of nurbs

    廣義有理參數曲線曲面定義在與控制網格拓撲同胚的微分流形上，以高度一般的勢函數為基函數，其控制網格可以是任意的一維拓撲流形和二維可定向拓撲流形。
  3. The classification of differential function germs whose codimention is less than or equal to 5 had been done by topologist r. thom

    對于余維小於等於5的可微函數芽的分類，拓撲學家r thom早就已經給出了分類結果。
  4. And cmac neural network adjusts weights locally, making its approximation quickly. in addition, the output only involves in linear computation, so it is suitable for online application

    此外， cmac網路的接受域是一個階躍式的臺階函數，適合於逼近負荷和相應的網損最小的拓撲之間的不連續的關系。
  5. The concept of countably subparacompact maps, countably metacompact maps and countably submetacompact maps are introduced, which are the extension of the respective covering property from the category top to the category top

    摘要主要定義了可數次仿緊映射，可數亞緊映射以及可數次亞緊映射，進一步將一般拓撲空間的覆蓋性質拓展到連續函數上。
  6. In this paper, subjects mainly focused are as follows : to meet with the requirement of forward business and the establishment of mid - long term generation planning of hydroelectric plant, the yearly runoff and the monthly runoff are studied in this paper, providing many kinds models that suited to min - long term runoff forecast, including the time series analysis, the nearest neighbor bootstrap regressive model, the grey topological model, recession curve model, threshold auto regression, mean generating function, and ann model etc. the forecast result proves that these models are useful

    本文從以下幾方面進行了較為深入的研究： （ 1 ）為了滿足水電廠的期貨交易及編制水電站中長期發電計劃的需要，本文對年、月徑流預測進行了研究，提出了徑流中長期預測模型，包括：時間序列模型、最近鄰抽樣回歸模型、灰色拓撲預測、退水曲線模型、門限自回歸模型、均生函數模型及神經網路模型等，從預測成果來看，效果較好。
  7. 8. this thesis initiates the 8 - quadrant angle computing method. this method can rapidly recognize the adjacency relationship of all the edges linked with the same node and avoid the complicated computing of trigonometric function. furthermore, this method can rapidly construct the adjacency relationship of all the arcs linked with the same node, in the construction of topological data structure in gis, which is helpful to the rapid construction of topological structure

    創造性地提出了a象限角度計演算法，它可以實現快速確定與同一結點相連接的所有邊的鄰接關系；避免了復雜的三角函數計算，而且該演算法還可以在gis的拓撲數據結構建立過程中，快速地構建與同一結點相連的所有弧段間的鄰接關系，為拓撲結構的快速建立創造了條件。
  8. The multi - objective computational model involving static and dynamic objectives was worked out where minimizing compliance and maximizing mean eigenfrequencies were both concerned

    以結構靜力學的剛度和動力學的特徵值作為優化的兩個目標函數，提出並建立了連續體結構拓撲優化設計的多目標優化模型。
  9. First, the principle of fuzzy reasoning based on topological transformation is constructed, then fuzzy topology based on inference rules and reasoning function is obtained

    在推理規則的前提與結論集合上分別建立fuzzy拓撲，構造出了拓撲變換推理函數。其次，研究了拓撲變換推理函數的性質。
  10. Further, general procedure of this method is summarized. finally, the connection between topological transformation reasoning function and uniform space is studied. in addition, the group in uniform space is created

    最後，討論了拓撲變換推理函數關系與一致空間的聯系，構造出一致空間的群結構，這為構造推理函數提供了一定的理論基礎與方法。
  11. It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect

    本文基於ansysparametricdesignlanguage （ apdl ） ，提出漸進結構法中應用區間法進行單元的篩選，通過單元「生死」的功能實現單元的恢復與刪除，根據濾波函數法原理提出修改的二階棋盤格處理方法，並就穩態熱傳導溫度控制問題，考慮熱、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。
  12. In the first part, hilbert ' s 16th problem and the studies on it are introduced, and the results of zq - equivariant vector fields of degree 5 ( q = 2, 3, 5, 6 ) are given. in the second part, the definitions of zq - equivariant vector fields and the method of detection functions are stated, and all the forms of nontrivial zq - equivariant planar polynomial vector fields of degree 7 are obtained. in the third part, a concrete numerical example of zt - equivariant perturbed planar hamiltonian system of degree 7 is constructed, and for the unperturbed vector field having maximal number of centers, its global phase portraits are analyzed ( having at least 9 topologically different phase portraits ). then, for a given parameter group, its phase portrait trend is studied

    第一部分介紹了hilbert第16問題以及它的研究與發展現狀，給出了近年來利用李繼彬提出的判定函數法得出的z _ q -等變（ g = 2 ， 3 ， 5 ， 6 ）的5次系統關於它的第二部分的研究結果；第二部分介紹了z _ q -等變向量場以及判定函數法，給出了7次平面多項式系統的所有非平凡z _ q -等變向量場具有的形式；第三部分給出了一個7次平面擾動hamilton系統，研究了它的具有最大中心數的未擾動系統（ z _ 7 -等變）的全局象圖，得到了9種不同的拓撲圖形。
  13. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律，在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面，並且具有處理復雜物質邊界及其拓撲結構發生變化（如分裂、破碎、合併）的能力，能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積，同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況； 2
  14. Professor guo dajun has summarized in his work [ 7 ]. such several important tasks and theirs application of nonlinear functional analysis as typical nonlinear operators, hammerstein integral operations, ordinarily and partially differential equations. the cone theory, the positive solutions of nonlinear operator equations, the number and the branch of solutions, and so on. reference [ 1 ] includes all levels of results of the domain such as nonlinear functional analysis

    郭大鈞先生在專著[ 7 ]中對非線性泛函分析的幾個重要課題及其應用，諸如典型的非線性運算元、 hammerstein積分方程、常、偏微分方程、遷移方程、錐理論及非線性運算元方程的正解、非線性運算元拓撲度和不動點定理以及固有值、解的個數與分支，都做了系統的概括和總結
  15. Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables

    分析總結了現有的三相整流電路拓撲及其控制策略，選擇以三相電壓型pwm整流器為研究對象，並採用電壓空間矢量pwm控制策略；分析研究了整流器的工作原理，建立了數學模型；研究了控制方法及其參數設計；提出了電壓空間矢量的pwm快速演算法，不需要三角函數表，由dsp實時計算得到精確的工作矢量及零矢量的作用時間。
  16. The conception of financial ecology provides a new research method for finance - the essential motivity of economics. it emphasizes the system view of financial field and the unfinancial field concerned as whole and the financial risk concerned with the financial external surroundings. the financial field is faced with complete opening from china affiliated to wto, and it takes rigorous test to our financial ecology

    在本文的研究中，運用了系統論、信息論的觀點和拓撲學的方法，通過構建金融生態中信息的響應函數和資源配置的結果函數，建立從金融生態的系統空間到信息空間，再到資源配置空間的映射，分析金融生態中的信息集中和信息分散的過程，從宏觀的運行機制上研究金融生態的信息效率問題。
  17. The first two chapters are about iterated function systems and the third one is about the topological entropy of a certain dynamical system

    其中一，二兩章是關于函數迭代系統，第三章是關于動力系統拓撲熵。
  18. ( 2 ) the query function find of matlab is flexibly applied in general topological analysis and sharply reduce the code and complexity of program

    （ 2 ）靈活運用matlab的矩陣查詢函數find ，對常規拓撲分析演算法進行了改進，大幅度減少了程序代碼和復雜度。
  19. And then based on this modal, some classic algorithms such as a * algorithm, are analyzed. in the process of the realization of the a * algorithm, an appropriate function, which can find the best route in according to the flow time and the length is always playing the great role. lastly, the essay concludes what have done mainly during this development process and the effectiveness of the study

    文中從城市道路網路的特點出發，分析了道路路段間的連通關系，建立了一個合理的網路拓撲模型，然後分析這個網路拓撲模型以及一些經典的演算法，依據a *演算法的思想，構造了合理的啟發函數，從而根據流量、時間、距離等參數求出源點到目的節點的最優行車路線。
  20. It is so difficult to establish object functions artificially that exploring the topology structure of electric system to establish object functions automatically is suggested

    另外，針對目標函數難以手工形成問題，建議採用掃描系統拓撲結構的方法，自動形成所需的目標函數。
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