拓撲的 的英文怎麼說

Compactness of lawson topology in continuous dcpo

拓撲的緊性

Covering space and the unification of rough sets and topology

覆蓋空間及粗糙集與拓撲的統一

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。

A lot of network management functions benefit from accurate and up - to - date knowledge of topologies, such as performance evaluation, event correlation, fault location, resource allocation and etc. this paper mainly deals with the design and implementation of the topology management subsystem ( tms ) in a snmp - based nms which supports three parts of functions : discovering of osi layer - 3 and layer - 2 topologies, visualizing them as topology graphs, and editing the graphs

準確且及時更新的網路拓撲信息是性能評估、事件綜合分析、故障定位、資源管理等網管功能的基礎。本文論述了一個基於snmp的網管系統中拓撲管理系統的設計與實現。該系統提供osi第3層和第2層上拓撲的自動發現、拓撲圖的自動生成以及拓撲圖的編輯等功能。

The paper emphasesd on the following issues : integrating network topology automatic discovery and network performance monitoring into an uniform web environment via activex control technique. constructing a hierarchic network monitor system based on distributed data replication technology via sql server replication function. analysising the relation between network usability, error and discard rate consequently to find out a formula, which can be used to calculating the congestion likelihood and setting the threshold for alerting the congestion situation

論文重點論述了以下幾個問題：採用控制項技術，使網路性能監視、網路拓撲的自動發現集成在統一的web平臺上；運用sqlserver的復制功能，構造一種基於分佈數據復制技術的層次式網路監視系統；對網路利用率、出錯及丟棄百分比信息進行分析，找出它們在推算擁塞可能性時的量化公式，並應用於閥值設置，以實現對擁塞可能性進行預警；研究分析在不同范圍內的拓撲發現工具及演算法，並針對系統需求設計實現一種域內分級式網路拓撲發現演算法。

Based on the theory of molecular set nests and prime elements set nested in [ 67, 68 ], with the cuted set f and jm, we have obtain the equivalent theorem, the decomposition theorems, the representation theorems about l - smooth co - topology, the equivalent conditions of constructing a - smooth co - topology by a family co - topologies and the equivalent theorem of closure operator. we have proved that - smooth closure operator is reasonable, discussed the relations between - smooth closure operator and closure operator, - smooth continuous goh and continuous goh, and given a kind of product of - smooth topological molecular lattices

藉助文[ 67 ， 68 ]中提出的分子集合套和素元集合套理論，結合文[ 83 ]並以截集蘆f _ [ a ]和f ~ [ a ]為工具刻畫l上smooth余拓撲f ，從而給出了l - smooth余拓撲的刻畫定理、分解定理、表現定理和由余拓撲族構造l - smooth余拓撲的充要條件

In this article the operation of interleaving two - transistor forward topology and average current - mode control are discussed

本文研究了交錯並聯雙管正激變換器主電路拓撲的工作原理和平均電流控制方式。

In more and more complex network environment only combining multiple topology discovery algorithms guarantees the accuracy and completeness of the topology

在日益復雜的網路環境下，將多種拓撲演算法結合使用才能保證拓撲的完整性、正確性。

The principles and characteristics of synchronous rectification ( sr ) are given, and advantages of self - driven sr in low power applications is detailed. review of several topologies which incorporate self - driven sr makes the constrains of conventional self - driven sr scheme apparent and thus a new scheme to drive srs is proposed. the developed single - winding self - driven synchronous rectification ( swsdsr ) scheme works properly in topologies that drive symmetrically the transformer ( push - pull, half bridge, . . ). it allows for maintaining the srs on even when the voltage in the transformer is zero, which is impossible to do in traditional self - driven approaches

本文針對低壓/大電流輸出的小功率dc / dc變換器，圍繞著變換器的效率問題，分析了同步整流的原理和特點，重點闡述了自驅動同步整流在低功率場合的優勢，在分析比較了多種與自驅動同步整流相結合使用的電路拓撲后，指出常規的自驅動同步整流方案限制了與之結合使用的電路拓撲的范圍這一局限性，從而給出了一種新穎的單繞組自驅動同步整流方案。

The primary studies in this paper are the following : ( 1 ) we define a generalized alexandroff topology on an l - fuzzy quasi ordered set which is a generalization of the alexandroff topology on an ordinary quasi ordered set, prove that the generalized alexandroff topology on an l - quasi ordered set ( x, e ) can be obtained by the join of a family of the alexandroff topologies on it, a topology on any topological space can be represented as a generalized alexandroff topology on some l - quasi ordered set, and the generalized alexandroff topologies on l - fuzzy quasi ordered sets are generalizations of the generalized alexandroff topologies on generalized ultrametric spaces which are defined by j. j. m. m. rutten etc. ( 2 ) by introducing the concepts of the join of l - fuzzy set on an l - fuzzy partial ordered set with respect to the l - fuzzy partial order and l - fuzzy directed set on an l - fuzzy quasi ordered set ( with respect to the l - fuzzy quasi order ), we define l - fuzzy directed - complete l - fuzzy partial ordered set ( or briefly, l - fuzzy dcpo or l - fuzzy domain ) and l - fuzzy scott continuous mapping, prove that they are respectively generalizations of ordinary dcpo and scott continuous mapping, when l is a completely distributive lattice with order - reversing involution, the category l - fdom of l - fuzzy domains and l - fuzzy scott continuous mappings is isomorphic to a special kind of the category of v - domains and scott continuous mappings, that is, the category l - dcqum of directed - complete l - quasi ultrametric spaces and scott continuous mappings, and when l is a completely distributive lattice in which 1 is a molecule, l - fuzzy domains and l - fuzzy scott continuous mappings are consistent to directed lim inf complete categories and lim inf co ntinuous mappings in [ 59 ]

本文主要工作是： （ 1 ）在l - fuzzy擬序集上定義廣義alexandroff拓撲，證明了它是通常擬序集上alexandroff拓撲的推廣，一個l - fuzzy擬序集（ x ， e ）上的廣義alexandroff拓撲可以由其上一族alexandroff拓撲取並得到，任意一個拓撲空間的拓撲都可以表示為某個l - fuzzy擬序集上的廣義alexandroff拓撲，以及l - fuzzy擬序集上的廣義alexandroff拓撲是j . j . m . m . rutten等定義的廣義超度量空間上廣義alexandroff拓撲的推廣。 （ 2 ）通過引入l - fuzzy偏序集上的l - fuzzy集關于l - fuzzy偏序的並以及l - fuzzy擬序集上（關于l - fuzzy擬序）的l - fuzzy定向集等概念，定義了l - fuzzy定向完備的l - fuzzy偏序集（簡稱l - fuzzydcpo ，又叫l - fuzzydomain ）和l - fuzzyscott連續映射，證明了它們分別是通常的dcpo和scott連續映射的推廣，當l是帶有逆序對合對應的完全分配格時，以l - fuzzydomain為對象， l - fuzzyscott連續映射為態射的范疇l - fdom同構於一類特殊的v - domain范疇，即以定向完備的l -值擬超度量空間為對象， scott連續映射為態射的范疇l - dcqum ，以及當l是1為分子的完全分配格時， l - fuzzydomain和l - fuzzyscott連續映射一致於k . wagner在[ 59 ]中定義的定向liminf完備的-范疇和liminf連續映射。

This paper introduces the routing scheme of the wireless router : include centralized mobile routing technology and dynamic network routing protocol. the simulation model of the network routing protocol is also described, and the model ' s validation is verified. this paper will give a good reference to the routing implementation of the wireless mobile self - organizing network system, and the building of the simulation model lays the foundation for the evaluating of the network performance

根據上述思想，本文介紹了無線移動自組織網路中「無線路由器」的路由設計方案，包括採用集中方式進行用戶尋徑的移動路由技術和用於維護網路拓撲的網路路由協議的設計，對網路路由演算法進行了模擬模型的建立，並驗證其有效性。

The user can select a high - level view of the network topology showing the status of all routers and links, focus in on a specific area of the network, or view only specific types of routers, such as backbone routers

使用者可以選擇網路拓撲的高級別視圖，顯示所有路由器和鏈路的狀態。可專注于網路的一個特定的區域，或者只查看路由器的特定類型（例如骨幹網路由器） 。

The non - insulated topologies applied for middle - input voltage and the insulated topologies applied for high - input voltage are discussed, the operational models of topologies are established, and the relevant topologies are improved, then the important parameters of vrm are studied

本文詳細論述了中壓輸入的vrm非隔離型拓撲和高壓輸入的vrm隔離型拓撲，建立相關拓撲的工作模型，對拓撲結構進行了相應改進，並對vrm性能有重要影響的參數進行詳細分析。

With the best modulation strategy which was found on condition that it must have largest energy transfer ratio, smallest current ripple of the inductor, and realizing zvs of each switches, the converter overcomes the drawbacks presented by the conventional zvs fb converter, such as high voltage stress of each switches, large current ripple of the inductor, and severe parasitic ringing on the rectifier diodes, so it can get higher efficiency, faster respond speed, and wider application area. the operation principle of the proposed converter is analyzed and verified by a 3kw, 50khz experimental prototype. experiments and research results show that the scheme of the tl topology derivation is reasonable, adjusted modulation strategy makes some other severe problems in conventional topologies easy to solve or makes the converter more competitive

研究結果表明，本文提出的三電平拓撲變換方案合理，針對各種三電平拓撲尋找到的控制策略可以解決變換器存在的某些問題或使變換器表現出更突出的優勢：例如針對單管直流變換器三電平拓撲的控制策略可以減小電感的設計值，針對推挽直流變換器三電平拓撲的控制策略可以實現開關管的軟開關、解決變壓器偏磁問題等，針對全橋直流變換器三電平拓撲的控制策略可以減小電感的設計值、實現開關管的軟開關等。

The push - pull tl converter can be deduced by using the basic tl topology derivation and by special derivation only used in this topology, in which, the voltage stress of each switches is input voltage

應用三電平拓撲的基本變換方法，經過對該拓撲結構的特殊變換，得到了推挽三電平直流變換器的拓撲，其開關管的電壓應力為輸入電壓，與傳統推挽直流變換器相比，電壓應力降低了一半。

Finally, the above - mentioned two soft - switching inverter prototypes are made and tested, and the experimental results show the feasibility of circuit topologies, the correctness of theoretical analysis, and the rationality of parameter design. and that, these two circuits can realize the aim of soft - switching, reduce the circuit losses and increase the system efficiency

最後形成了上述兩個軟開關變頻器樣機並對其進行了實驗，實驗結果證明了電路拓撲的可行性、理論分析的正確性以及參數設計的合理性，且這兩個電路均能較好地實現軟開關，減少了電路損耗，提高了系統的效率。

In this paper, firstly by the use of the relations between fuzzy points and fuzzy sets and implication operators of fuzzy logic, definitions of (, a ) - fuzzy topology and r - fuzzy topology are given

首先通過使用模糊點、模糊集和模糊邏輯蘊涵三者之間的關系，我們給出了（ （ ? ） ， （ ? ） ） -模糊拓撲和r -模糊拓撲的概念。

The question of magnetic path is transformed into the form of circuit topology to derivate the equivalent circuit between stator and rotor

為了便於分析，將磁路問題轉換成電路拓撲的形式，推導出定轉子之間的等效電路。

Based on comparison of different dc / dc converter, push - pull forward converter ( ppf ) is selected as main system prototype

在比較多種常用拓撲的優缺點后，本文選用推挽正激電路作為主電路拓撲。

As for the choice of the circuit ' s topology, the pfc stage is adopted boost structure and the pwm stage is adopted two transistors forward after several sorts of advantages and deficiencies of circuit ' s topology are compared

在電路拓撲的選擇上，比較了各種電路拓撲的優缺點，最後選定前級pfc電路採用boost結構，后級採用雙管正激電路。