拓撲不變性 的英文怎麼說
中文拼音 [tàpūbùbiànxìng]
拓撲不變性
英文
topological invariance-
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。In the first part, the concepts of the completely normal spaces and strong completely normal spaces in l - topological spaces are defined, which are the generalization of the completely normal spaces in general topological spaces. they are some good properties such as hereditary, weakly homeomorphism invariant properties, good l - extension, but they are n ' t producible in general. moreover, their several sufficient and necessary conditions in induced spaces are presented
第一部分的主要內容如下：第一部分這一部分是將一般拓撲學的完全正規分離性的概念推廣到了l -拓撲空間，給出了l -拓撲空間的完全正規分離性和強完全正規分離性的定義並討論了它們的若干性質，比如，它們都是可遺傳的，弱同胚不變的， 「 lowen意義下好的推廣」等。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。Switch - based interconnects with irregular topology allow the wiring flexibility, and incremental expansion capability required in this environment. however, the irregularity also makes routing and deadlock avoidance on such systems quite complicated
Autonet ， myrinet等用於nows的交換式高速網路使布線靈活、系統可擴展能力加強，但其拓撲的不規則性使路由避免死鎖的問題變得復雜。In the electrical control the action of power electronic switch changes the structure of electrical circuit, the electrical circuit has character of discontinuity. the control electrical circuit formed by power electronic switch is described as variable structure control system
在電力系統控制中，由於電力電子開關的動作改變電路拓撲，系統具有不連續性，使得各類電力電子開關組成的控制電路可以被描述為變結構控制系統。These achievements will enrich the relationship between pair - network and network, and further understand the internal connection between hereditarily closure - preserving families and point countable families or locally finite families, and better certain topological non - variability of the space with pair - networks, and enrich the theory of generalized metric space. this paper reached some principal conclusions about the space with - hereditarily closure - preserving pair - networks
弱遺傳閉包保持雙網路空間的類似結構，這些結果將更加充實雙網路與網路之間的關系，進一步明確遺傳閉包保持集族與點可數集族或局部有限集族之間的內在聯系，完善由雙網路確定的空間關于拓撲運算下的某種不變性，豐富了廣義度量空間理論18 cohen f s, huang z, yang z. invariant matching and identification of curves using b - spline curve representation
第四，利用圖像畸變的拓撲不變性質對特徵匹配剪枝，降低計算代價。The analysis reveals that single - switch converter can not be converted into tl topology by the basic method because of its asymmetry
分析表明，由於單管直流變換器結構的不對稱性，無法使用基本變換方法對其進行三電平拓撲變換。This dissertation is faced to the process of steel rolling to found network of manufacture material flow, basing on it founding guide line evaluation system of the cost of unit standard producing working procedure, guide line evaluation system of the quality cost of unit standard producing working procedure and guide line evaluation system of performance and efficiency ; and base on the cost data of all kinds of material flows, manufacture flow, flux data, manpower, energy consume, material consume, capital asserts occupied, fund occupied, and the production in working procedure, throughput of the materials in working procedures in the flow and countercurrent flow in the network of material flow of recorded in working procedure producing, using the “ whole closed down lane ” model to describe network of manufacture material flow of steel rolling, found the cost analyzing model system of the network faced to producing process. make the cost increasing of the producing by abnormity material flow in working procedure, and even the cost increasing of the producing procedure as the cost of the management behavior of working procedure fallen under cost evaluation guideline in responsible working procedure, so as to ration measure the factors fast correlated with management behavior by measuring the cost
在企業管理信息化輔助工具所建立的數據平臺基礎上，建立了以基準物流圖模型為基礎的軋鋼生產主流程物流網路拓撲圖，根據圖論的理論求解最大流量和最小費用;計算每個生產節點的加工成本，分離質量成本，克服了單純財務數據進行成本核算所帶來的缺陷;建立了軋鋼生產主流程工序含鐵物料吞吐能力基準圖模型，並根據此模型建立了軋鋼生產主流程工序激勵物流協調性和匹配性、工序響應物流協調性和匹配性分析的過程能力指數計算方法;通過引入決策單元綜合投入與綜合產出效率最優原則的模型和基於投入不變、分析產出是否有效或基於產出不變、分析投入是否有效的模型，實現了對多個績效指標在不同績效值集合之間的相對比較，並可根據投入產出效率準則、或者投入（產出）有效性準則進行排序。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。For optical - layering approach, we propose an ant - based algorithm, which uses the ants " capability of finding shortest or near - shortest paths between a food source and their nests, to solve the logical topology reconfiguration problem. we give the ants routing formula based on dynamic load balancing and short path on the assumption that some conditions hold
前者適合於業務矩陣變化不是太頻繁的網路，提出利用螞蟻演算法解決業務的再路由問題，即利用螞蟻具有找到最短徑及不同種類螞蟻具有互斥的天然特性來進行邏輯拓撲重配置，從而保證了鏈路負載分佈的平衡性。Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper
有源電力濾波器可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。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。Furthemore, a weakly induced stratified t1 and stratified regular space is a stratified completely t2 space. the second section : it illustrates that a conclusion ( ( p ) [ ( p ) ] ) is wrong which is used by the proof of theorem 2. 2 of [ 13 ] via a example
這種層完全t _ 2分離性具有弱同胚不變性，遺傳性，在積運算下保持等性質，且弱誘導的層t _ 1的層正則l -拓撲空間是層完全t _ 2的。Subdivision surface can express smooth surface through low resolution control mesh and subdivision rules. it has been widely used in recent years, for it not only solves some problems in computer graphics, such as arbitrary topology and compatibility, but also retains several advantages of traditional nurbs, including the properties of localness and affine - invariance
由於細分曲面不但解決了計算機圖形學中遇到的任意拓撲和一致性表示問題，而且還保留了傳統nurbs曲面表示所具有的局部性，仿射不變性等良好性質，因而近年來得到廣泛的應用。When the parameters and resonant conditions are equal, nonlinear inductance can change the topology structure of response curves. changing the nonlinear resistance and the nonlinear inductance can control peak value of response curves. changing other parameters, amplitudes of response curves will change correspondingly, but the responses are different, one modal could be controlled by the other
2的情況下，改變了響應曲線的拓撲結構;無論是電阻非線性還是電感非線性，都會抑制兩個模態的振動;改變系統參數，振幅和共振區的大小會發生相應的變化，但兩個模態對參數變化的響應程度是不一樣的，可以通過一個模態控制另一個模態。Based on the advantage of the solid - switch, many fcls with solid - state switch have been proposed. fcl with series compensation which could limit the fault current and also make compensation is more flexible and practical when compared to the others. in this paper, a type of fault current limiter with series compensation is studied
基於此，研究者提出了各種不同拓撲結構的採用固態開關的故障限流器，其中，帶串聯補償的故障限流器，既具有串聯補償的功能，又能根據短路的實際情況改變限流程度，因而具有較大的靈活性和實用性。The solution existence for dynamic topology optimization of truss is explored from the engineering point of views : when the design variables ( section areas ) are continuous and their bound are not imposed, if there is no frequency constraint, the optimal solution always exists for a given optimization problem and contrarily, when the frequency constraint is considered, the frequency will become the key constraint and also the solution existence will be changed by the topology alteration
從一般工程意義上探討了桁架結構動力學拓撲優化設計解的存在性：無固頻約束時，設計變量連續且不考慮上限約束，則優化問題總是有解；考慮固頻約束時，頻率約束是是否有解的關鍵約束，並且改變結構拓撲形狀可以改變解的存在性。Not only have the reseach results about go - space enriched the contents of general topology, but also have increased ingenious creativity and breakthrough and made general topology more wonderful and lively because of making use of the theory about ordinal and cardinal in set theory, axiomitic system and combinatorial theory
一個世紀來， go -空間的研究成果不僅在內容上豐富和充實了一般拓撲學，而且由於藉助集合論的基數和序數理論、公理體系及組合思想等，在方法上也給一般拓撲學增添丁巧妙的創造性和突破性，使一般拓撲學變得更加精彩生動。The main results are as follows : ( 1 ) there exists an one - to - one correspondence between the invariant measures of mutually topologically equivalent semi - flows, and there also exists an one - to - one correspondence between the invariant measures of a continuous map and that of its suspended semi - flow
我們證明了如下結論： （ 1 ）在拓撲等價的連續半流的不變測度之間以及在連續自映射及其扭擴半流的不變測度之間存在一一對應，並且這對應保持遍歷性。分享友人