拓撲特性 的英文怎麼說

中文拼音 [tàpūtèxìng]
拓撲特性 英文
topological features
  • 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...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. Based on characteristics and connectivity of the groups in molecules, the group contribution method and topological method was combined together, a new method was developed which can be used to calculate the density of alkyne from molecular structure

    摘要根據分子中基團的特性和連接性，將基團貢獻法和拓撲方法結合在一起，發展了一種計算炔烴密度的新方法基團鍵貢獻法，該方法具有基團貢獻法適用范圍廣和拓撲方法計算結果準確可靠的特點。
  2. And it is nothing other than the new philosophy of the nature whose characteristics are the quantification of substance and the mechanization of the movement that defends the existence and the property of this quantum second, the quantification of substance and the mechanization of the movement which are emphasized by the new philosophy of the nature offers a intuitionistic continuun which takes the extension of the space - time for the birth of calculous

    正是以物質的數量化和運動的機械化為特徵的新的自然哲學為這種量的存在及性質（特別是拓撲性質）和程序化的演算法提供辯護。其次，新的自然哲學所強調的物質的數量化和運動的機械化為微積分的產生提供了以時空廣延為模型的直觀連續統。
  3. We introduce five topological characteristics and geometry characteristics that are invariant under projective transformation specially perspective projection. the definition of homograph is given by means of these characteristics, and then the recognizing method of the homograph is proposed according to the definition of homograph

    接著，根據透視投影不變性提出了5個用來描述多邊形形狀的拓撲特徵和幾何特徵，這些特徵在透視投影下是不變的，以這些特徵給出了在透視投影下平面多邊形為類似形的定義。
  4. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次，針對acem系統特有的「電源諧波」特性，深入分析了濾波器方案，得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構，並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  5. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據無接觸電能傳輸系統特殊的負載特性，詳細分析並對比了並聯和串聯逆變器的工作原理及電路特點，設計出應用於無接觸系統中的高頻全橋串聯諧振逆變器的拓撲結構，進而設計並製作了系統的主電路，詳細的分析了主電路的工作過程。
  6. In the end, by studying the load character of contactless electrical power deliver system, this paper designs the high frequency full - bridge series resonance converter

    最後，文中詳細分析了無接觸電能傳輸系統的負載特性，進而設計出用於無接觸電能傳輸系統的高頻全橋串聯諧振逆變器的拓撲結構。
  7. The result of study shows the sr - qsw - buck converter adopted interleaving and magnetic integrated techniques achieves high efficiency, low volume, fast transient response, and satisfies severe performance requirements of vrm

    研究結果表明：採用磁集成技術的交錯並聯sr - qsw - buck拓撲具有效率高、體積小、瞬態響應速度快的特點，可以滿足vrm的嚴格性能指標要求。
  8. We investigate finer time scale statistical properties of this traffic, including burstiness, periodicity, and synchronization. utilizing the data gathered by our simulator, we compared the results with our prediction, after that, we investigated the root cause of a specific networking traffic pattern, under various network configuration and policies. the importance of our work is not only analyzing the cause of each traffic pattern, but also providing a beneficial formal method for future research

    在實驗結果的分析過程中，我們根據當前流行的網路拓撲建立了模擬路由試驗環境，特別針對lsa的突發性、周期性和同步流量的時域特徵進行了觀察，不僅探究了三種重要lsa流量的發生機理以及這些流量的變化對整體路由效率的影響，比對了我們的預測與最終的實驗結果，深入研究了統計圖表裡各種異常情況的成因和路由協議採用不同演算法和策略以後對整體路由環境的影響。
  9. Characteristic analysis is static characteristic analysis primarily. the suction characteristic solution bases the magnetic circuit computation via network analysis. the result indicated that, using network topology analysis to solve complex magnetic circuit the computation can achieve very good effect

    特性分析以靜態特性分析為主，其中吸力特性的求解基於磁路計算的網路拓撲法，結果表明，應用網路拓撲法求解復雜磁路可以達到很好的效果。
  10. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  11. Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering

    本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上，以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線，從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上，進一步發現了信息網路所具有的一些新特徵: 1 ）網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系，具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 ）網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 ）網路微觀拓撲結構中的存在很強的集聚性（平均聚團系數很高） 。
  12. To appearances through the supply chain topological structure, supply chain is a network which is component with some independent enterprise and semi - independent enterprise. in the first of all, through the supply chain network character, this dissertation abstracted a model that embedded the supply chain essential, namely supply chain integration network model ( scinm ). the scinm was build based on metagraphs and describe the essential of supply chain commendably

    從供應鏈的拓撲結構來看，供應鏈是一個網路，即自主或半自主的企業實體構成的網路，本文首先從企業供應鏈網路性特點出發，抽象出一種體現供應鏈本質的供應鏈模型? ?供應鏈集成網路模型，該模型基於meta圖建立，很好的描述了供應鏈的本質。
  13. This idealized characteristics can be used for analyzing the converter topology but should not be used for the actual design, when, for example, heat sink requirements for the device are being estimated

    這個理想化的特性可以用來分析換流器的拓撲性質但是不能應用於實際設計，例如估計設備所需的散熱器。
  14. A real physical system may involve many variables but only one or more of them can be detected by modem data collecting equipment in recent years, the technique of phase space reconstruction is frequently applied to analyse and process time series. its significance is that the topological characteristics such as fractal dimension can be obtained, on the basis of investigation and research about the technique of phase space reconstruction up - to - now, this paper is also devoted to develop a new method for the prombles of detecting deterministic chaos of time series obtained from experimental data

    一個實際的系統可能會涉及多個相變量，但在實際問題中只能得到部分相變量的信息，近年來人們發展了相空間重構方法，能夠通過單變量信息重構吸引子，這種方法在時間序列分析和處理中得到廣泛應用，其意義在於能在拓撲等價意義下恢復吸引子的拓撲特徵，本文第三章在國內外有關時間序列的相空間重構研究狀況基礎上，致力於發展對時間序列進行確定性檢驗的新方法，即研究時間序列的分佈規律和赫斯特指數，並在相空間重構的基礎上，提取吸引子的特徵指數。
  15. 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
  16. The research work of this dissertation is focused on the network topology of p2p group communication. the major contributions of the dissertation are summarized as follows : 1. in the light of the characteristics of p2p group communication, we define two graph metrics, rh and rd, to quantify the matching degree between the overlay and the underlay network

    本文重點研究針對多媒體傳輸的p2p組通訊的網路拓撲，論文的創新性工作主要體現在以下幾個方面: 1 .針對p2p組通訊的特點，定義了根跳距和根距離兩個拓撲特徵指標參數來衡量測試拓撲圖和底層網路的吻合程度。
  17. In this thesis, six topological characteristics and geometry characteristics are proposed that are invariant under affine transformations and axonometric projection. the definition of homograph is given based on these characteristics, and then the recognizing method of the homograph is proposed according to the definition of homograph at the same time

    其次，根據仿射不變性提出了6個用來描述多邊形形狀的拓撲特徵和幾何特徵，這些特徵在軸測投影下是不變的，以這些特徵為約束條件給出了在軸測投影下類似形的定義。
  18. As an example, the time series of china composite stock index is considered firstly, the distribution of five day ' s return on china composite stock index is studied. secondly, based on the r / s analysis hurst exponent is worked out and determination detecting can be done. lastly, the topological characteristics such as correlation dimension and maximum lyapunov exponent are extracted from time series

    作為例子，本文對中國股票指數時間序列做了實證分析，首先研究了中國股票指數的五天收益率的分佈規律，然後運用重標極差分析方法計算出赫斯特指數，並以此為基礎進行確定性檢驗，最後在相空間重構的基礎上提取吸引子的拓撲特徵指數。
  19. The non - insulated topology characteristics, steady and dynamic principles, parameter design of vrm applied for low - input voltage situation are mainly analyzed

    本文重點分析、研究了應用於低電壓輸入的vrm非隔離性同步整流準方波buck變換器拓撲特性、穩態和動態性能，參數設計等。
  20. The classical conclusions of topological linearication of the differential equation x " - ax + h ( x ) ( none of the eigenvalues of a has zero real part ) are given by hartman and grobman. but, their conclusions are only limited to the small neighborhood of origin

    微分方程x ' = ax + h （ x ） （其中a的特徵根實部異于零）拓撲線性化的經典結論是由hartman和grobman給出的，但他們的結論都是局部拓撲線性化，即要求同胚函數限制在原點小領域內。
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