網路阻抗 的英文怎麼說

中文拼音 [wǎngkàng]
網路阻抗 英文
network impedance
  • : Ⅰ名詞1 (捕魚捉鳥的器具) net 2 (像網的東西) thing which looks like a net 3 (像網一樣的組織或...
  • : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • 網路 : 1. [電學] network; electric network2. (網) meshwork; system; graph (指一維復形); mesh
  • 阻抗 : [電學] impedance
  1. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析,提出了「虛擬分支」的概念和相應的基元模型,並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及的計算公式。
  2. Model of urban public transit net impedance function

    城市公交網路阻抗函數模型
  3. However, by the time a lightning strike has traveled through the distribution network, surge arrestors will have dissipated a proportion of the charge, network impedance will have shaped the impulse and the residual energy can be represented in terms of its waveshape, and its peak current which is what will be present at a service entrance

    然而,雷擊經過電力進行傳送以後,避雷放電器會將一部分能量泄放掉,也會對電涌進行修整,而殘余的能量將可以以它的波形來體現,其峰值電流也就是建築物進入端將會出現的情況。
  4. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊,對輸入的實驗數據進行了最小二乘法的曲線擬合;根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入,並由此輸入確定磁致伸縮換能器的諧振頻率及電氣模擬參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻率及其電氣參數。同時,採用當前比較先進的web技術,實現了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  5. 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,后臺程序自動進行拓撲分析,然後基於稀疏技術,利用支掃描法形成節點導納陣,連續回代法形成節點陣。
  6. The development of a visual short circuit software under ptcad2000 is presented in this paper, as well as the system structure, the definition of the data structure, the interface to ptcad2000, the conversion of the original wiring diagram of power network to calculable power network, the implement of three sequence network, the implement of impendence matrix and admittance matrix of power network considering the zero sequence mutual inductances among lines, and the implement of short circuit calculation by using computer

    本文介紹了在ptcad2000平臺下短電流可視化計算軟體的開發。介紹了軟體的系統結構、數據結構定義、與ptcad2000平臺的介面、電力系統原始接線圖轉成等值可計算、序的生成、考慮零序互感線時電導納矩陣和矩陣的生成,以及故障點短電流計算的計算機實現。
  7. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元線性回歸的用戶諧波發射水平估計方法,該方法在假設公共聯接點諧波發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電圖,按照最小二乘法原理,利用電各參數的復數關系推導關于系統側諧波的二元線性回歸方程,並根據諧波的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。
  8. Finally this paper propose the structure diagram of adaptive distance protection based on neural network impedance relay, which describes entire logic procedure from data acquisition unit to trip unit

    最後提出基於神經網路阻抗繼電器的自適應距離保護結構框圖,描述從信號採集單元到動作出口單元的整個邏輯過程,並對自適應距離保護的前景作出展望。
  9. Three - dimensionally braided structural composites have distinct structure that is fully integrated, continuously spatial fiber - network impregnated with ductile material. the new innovative materials have not plies as conventional composites have, and put an end once and all to low interlaminar strength showing in laminate materials. because of their enhanced stiffness and strength in the thickness direction, near - net - shape design and manufacturing, superior damage tolerance and specified aerospace function, the braided composites are gaining more and more attention of industry and academia

    三維編織結構復合材料是完全整體、連續、多向的紡線(纖維束)的,充填以延性材料,這類新材料已失去通常復合材料的層合板概念,由此,層合板復合材料層間脆弱的致命弱點在編織結構復合材料中得到克服,所以編織結構復合材料具有高的強度和剛度(包括在厚度方向) ,接近實際形狀的製造,高的沖擊韌性、高的損傷,和按實際設計要求的特定的航空航天方面的使用功能,因而廣泛地受到工業界和學術界的關注。
  10. Acoustic impedance blending inversion based on bp and ga algorithm

    和遺傳演算法的波混合反演
  11. For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described

    在總線電纜的安裝方面,著重討論了電纜的選型原則、安裝方法和噪防擾措施;在安全保護設備安裝方面,介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式(實體概念和fisco模型)下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法;在元件的安裝方面,主要列舉了通用終端器、中繼器、鏈設備、總線電源及其模塊等的選擇、安裝和集成方法,為總線系統的安裝提供了可以借鑒的實用經驗。
  12. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進行曲線擬合的方法,對三種擬合方法進行了比較,曲線擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入,並由此輸入確定了磁致伸縮換能器的諧振頻率及其電氣模擬參數;最後通過labview提供的功能,實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實現該系統化的方案。
  13. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點,對其中的牽引變壓器的工作狀態進行了分析,指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短大、電流的高次諧波、壓波動大可能引起的過勵磁以及直流磁化等問題,同時給出了相應的一些解決方法。
  14. The impedance matching criterion that the sum of all the radiating slot normalized conductances is equal to 2 for the inner feed, and also the sum of all the coupling slot normalized impedances for the series - shunt inner feeder is equal to 2 are verified by using microwave network theory

    採用微波理論,在內部饋電情況下,分別對一條輻射波導上輻射裂縫的歸一化導納和為2的匹配設計準則,以及對串並形式饋電裝置,對耦合裂縫的歸一化和為2的匹配設計準則進行了證明。
  15. Equipment under test to the measurement terminal. the high pass filter output signal is switched from either conductor to the measurement terminal

    大體上講,電源穩定從檢測設備eut向測試埠看,是一個高通濾波器。
  16. A method to simulate network operations by adding the corresponding branch - impedance matrix to the original network is described in this paper

    文中介紹了採用向操作前的原追加相應的支陣來模擬操作的方法。
  17. A new viewpoint to observe the relation of bus voltage, bus current injection and branch current of the network considering branch mutual inductance has been provided in this paper. the process of building the z - matrix of a large - scale power network is set forth in particular in this paper. and the method is employed in the fault computation system successfully

    本文為了從演算法上提高故障計算的速度,在完全計及支互感的前提下,利用節點注入電流與支電流以及支電流與節點電壓的關系,提出了一種能夠統一處理互感和無互感線、快速形成大規模電節點矩陣的新方法。
  18. This thesis discusses some effective algorithms that appear recently in distribution power flow calculation at length, for instance, back / forward sweep method, zbus method, newton zbus method with modified method, loop - impendence equation method and so on. it gives basic calculation theories, calculation steps and some particular regarding issues of every algorithm, according to many examples validate the effect of algorithms and finally obtain the characters, rang of use, virtue and shortcoming of every algorithm

    本論文詳細討論了近來出現的配電潮流計算的各種有效演算法,如前推回代法、 zbus法、牛頓zbus法及其改進、迴法等,給出了各種演算法的計算基本原理,步驟以及應該注意的問題,並通過大量的算例進行驗證,從而通過比較得出各種演算法的特性、應用場合和優缺點。
  19. The tests show that the neural network impedance relay has good function to anti fault resistance and adaptability to variation of system condition

    經測試該神經網路阻抗繼電器具有良好的過渡電功能,且能自適應于系統工況的變化。
  20. In every load node, load is processed as an equivalent grounding resistant, thus formulating a simple circuit. a refined genetic algorithm combined with the idea of tabu search used in distribution networks reconfiguration to reduce loss is presented in this thesis

    其基本思想是將每一負荷都看作一個迴,將負荷等效成一接地,再加上環,共同形成迴矩陣,進而迭代求解潮流。
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