拓撲代數 的英文怎麼說

中文拼音 [tàpūdàishǔ]
拓撲代數 英文
topological algebra
  • 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...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network

    本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發，介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術，比較了數據驅動模型和控制驅動（拓撲驅動）模型兩種轉發演算法，並由此引出下一代ip骨幹網路技術? ?多協議標記交換，闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。
  2. Indeed, readers familiar with the fundamentals of algebraic topology can easily prove the correctness of this presentation.

    事實上，熟悉代數拓撲基本原理的讀者容易證明這個表示的正確性。
  3. A general graphical user interface based on object - oriented technique, database and visualization in scientific computing has been conducted. we can draw electrical components of the distribution network and fill the components data easily. background programs analyze topology automatically and constitute node admittance matrix, node impedance matrix

    它使用圖形元件直接繪成系統接線圖，在屏幕上輸入元件參數，后臺程序自動進行網路拓撲分析，然後基於稀疏技術，利用支路掃描法形成節點導納陣，連續回代法形成節點阻抗陣。
  4. Through ( multi - level ) bordered block partition of the power system topology matrix, a bbdf coefficient matrix which is suitable for above decomposition is formed. when the equation is solved with parallel iterative method, convergence acceleration is achieved through damping newton method

    通過採用（多重）對角加邊的方法進行電力網路拓撲分割，以形成適合以上分解法求解的對角加邊形式的系數矩陣，并行求解后並對迭代過程進行阻尼牛頓法修正，以達到加速收斂的作用。
  5. In this paper, the main purpose is to study ( strong ) completely normal separation axiom in l - topological spaces and several algebra structures on l - fuzzy algebra

    本文主要是研究l -拓撲空間的（強）完全正規分離性和l - fuzzy代數中的若干代數結構。
  6. Electrical networks ; algebraification of topology and fundamentals of electrical network calculation

    電網.拓撲學的代數化和電網計算的基礎
  7. We find a simple relation between the maximal ergodic subgroup and distal properties of algebraic actions and characterize the distal properties of zd algebraic actions. we also prove that if the group action is equicontinuous then ergodicity and topological transitivity are equivalent

    討論了離散群在緊群上代數作用的極大遍歷子群與distal性質的關系；給出了z ~ d代數作用的distal性質的刻畫；證明了離散群等度連續作用下，遍歷與拓撲可遷等價。
  8. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  9. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出現的單元鉸接以及「棋盤格」等現象，研究了連續體結構拓撲優化過程的拓撲分析方法，以及在計算機上實現的簡便演算法.根據代數拓撲理論，單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接向量概念，在計算機上實現了結構的拓撲描述及拓撲運算，得到了結構在拓撲演化過程中的拓撲特性，方法簡單、可靠.在一定的拓撲約束下，根據應力分析結果，採用刪除單元、單元退化、移動節點等方法，可以用較少單元得到更為滿意的結果，提高計算效率.為演示方法的有效性，給出幾個包括常見經典問題的解答
  10. The thesis is organized as below : in chapter 1, the background knowledge is given which is needed for study on bluetooth security mechanism and implementation. first bluetooth technology is overviewed including its develop history, radio interface, physical links, interference, network topology, core protocol, etc. next communication security is introduced according to the model of network security architecture from osi. finally some primary cryptographic techniques are discussed based on symmetric encryption, asymmetric encryption and advanced encryption standard published years ago

    本文研究了利用藍牙技術提供各種安全服務和實現的課題，並通過一些具體實現的實例進行闡述，具體安排如下：在第一部分，本文首先回顧了藍牙技術及發展情況，主要包括藍牙發展簡史、藍牙標準的射頻介面、物理鏈路、干擾情況、網路拓撲結構以及核心協議等；然後介紹了通信安全的基礎知識，討論了osi系統中的四層網路安全結構模型；最後給出了各種加密技術的基本理論，包括對稱加密體制如des和blowfish 、非對稱加密體制（ rsa公鑰演算法、數字簽名和身份證明等）以及新一代的高級加密標準（ advancedencryptionstandard ， aes ）等。
  11. On topological reflexivity of the spaces of derivations on operator algebras

    運算元代數上導子空間的拓撲自反性
  12. 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。
  13. There is an important problem for the wdm network which is the traffic on the wdm network is dynamically variable, as a result, if the traffic on the virtual topology has changed, the performence of the network such as average number of weighted hops, the throughput of the network, the congestion of the network will decline, obviously, this is not acceptable for both the network administrators and network clients. in this thesis, the research of the plan of the wdm network under dynamically variable traffic can be classified into two main directions

    Wdm光傳送網是下一代高速廣域骨幹網的最具競爭力的候選者，但是， wdm網路存在的一個重要問題是在wdm網路上運行的業務量是動態變化的，這造成的結果是最初通過搭建光路設計好的光網路虛拓撲在新的業務量矩陣下它的性能如網路平均權重路由跳數，網路負載均衡性，網路擁塞等性能指標都有可能下降，這顯然是各個網路運營商和網路用戶所不能忍受的。
  14. These are 18. 100b ( analysis and metric spaces ) and 18. 700 ( linear algebra ). the course 18. 101 ( calculus in several variables ) would be useful and some familiarity with topological groups is also helpful

    學生需要預修18 . 100b （分析和度量空間）和18 . 700 （線性代數） 。預修過課程18 . 101 （多變數微積分）或者熟悉拓撲群都對學習本課程有幫助。
  15. The first generation spatial analysis database system, sadbs, uses " realms " as expression base of spatial data. it adopts discrete integer coordinate system to solve topological error in spatial database. it also uses multi - index data organization and plane - sweep algorithm, which improve the performance of spatial analysis operations

    第一代空間分析數據庫系統sadbs使用realms作為空間數據的表示基礎，它利用離散化的整數坐標系統，解決了空間數據庫的拓撲誤差問題；使用多索引的數據組織方法，引入平面掃描演算法，提高了空間分析操作的性能。
  16. This theorem have been generalized in many ways. there are mostly two aspects in them, one is replacing the space r in insertion theorem by completely distributive lattices with some countability, i. e., liu and luo in [ 6 ] try to use lower ( upper ) semicontinuous map well defined to define the normality of fuzzy topol ogical space and gain a series of good results [ 6 ]

    這一定理已經被以多種形式推廣，其中主要有兩個方向，一個是用具有某種可數性的完全分配格來代替插入定理中的實數空間r ，即劉應明和羅懋康在他們合寫的文[ 6 ]中就嘗試在格上定義模糊拓撲空間的正規性，並得到了一系列很好的結果。
  17. Carbon nanotubes and polycyclic aromatic hydrocarbons ( pahs ) are important research objects of structural chemistry. hexagonal system, which is used to represent mathematicaliy pahs in organic chemistry, is developed perfectly in this century. while the theories concerning different topological invariants and parameters on hexagonal systems tend gradual1y to achieve great successes, the performance of the calcu1ations by pen and paper is still rather tedious, or even impossibie, when the size of molecules increases

    碳納米管和多環芳烴（ pah ）是結構化學的重要研究對象，從圖論角度描述有機化學中多環芳烴的六角系統在近代得到了很大的發展，對六角系統的各種拓撲不變量和一些參數的計算已趨完善或正在逐步完善。
  18. It solves payment issue through sharing pos and brush card. it solves info sharing and exchanging problem by enterprise application integration it adopts research method of software engineering and uses touch - screen, network, database technology and so on to carry through total design of the system and build the software : it uses user status identify and responsibility control to ensure database and application program ' s security ; it strengthen the code by coding optimize ; it captures and discards application runtime error to enhance the system ' s stability ; it uses multimedia voice and moving picture to show help information, thus makes the system easy to use ; it greatly reduces the maintenance work of the system by self - updating function ; it is an opening system by using star - model network top structure, supporting standard network communication protocol ? tcp / ip and offering standard software interfaced criterion

    論文採用軟體工程的研究方法，使用觸摸屏、網路、數據庫等技術，進行了系統總體方案設計和軟體開發：通過對數據庫和應用程序的用戶身份識別和權限控制，保證數據存取和應用程序的安全性；通過對代碼進行優化提高了代碼的健壯性；通過捕捉並拋出系統運行時的異常錯誤提高了系統的穩定性；通過多媒體語音、圖形和動畫提示幫助信息來增強系統的易用性；客戶端程序自動升級功能提高了系統的可維護性，有效地減少了維護工作量；系統採用星型的網路拓撲結構，支持標準的tcp ip網路通訊協議和規范的軟體介面標準，具有良好的開放性。
  19. 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。
  20. ( 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。
分享友人
分享到 Line

分享到臉書