virtual current 中文意思是什麼

virtual current 解釋
有效電流
  • virtual : adj. 1. 實際上的，實質上的，事實上的。2. 【物理學】虛像的。3. 【物理學】有效的；【計算機】（網上）虛擬的。4. 〈古語〉具有可產生某種效果之內在力的。
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  1. This paper is divided into four parts which respectively discusses some basic theory problems and practice problems in detail. the first part marly outlines the development course of china academic information resources joint building and sharing. the second part analyzes the advantages from good campus network environments, teachers and students " information demands, the importance of academic libraries, and the opportunity of advanced education development in china. the third part analyzes the current situation from the library networks, documents acquisrtion, interlibrary loan, the digital development of library holdings, and the development of virtual storages

    全文共分四個部分，詳盡地論述了高校信息資源共建共享的基本理論問題和實踐問題。第一部分首先概述了中國高校信息資源共建共享的發展歷程。第二部分從良好的校園網路環境、高校師生的信息需求、高校圖書館的基礎地位和中國高等教育的發展契機方面分析了中國高等學校信息資源實現共建共享的有利條件。
  2. In order to change the unscalable condition of the current virtual venue server ' s design in the access grid, this paper gave a detail multi - virtual venue servers model, which introduced the concept of group and is more scalable and flexiable. this paper also gave the main interfaces of the new group management service. after this, this paper did a simulating implementation of the multi - virtual venue servers model

    文中提出了多虛擬會場服務器的設計彌補了目前虛擬會場服務器設計的不具有可擴展性的缺陷，提出了組服務器的概念，給出了組管理服務的主要介面，並且在ezvideochat系統中對多虛擬會場服務器模型進行了模擬實現。
  3. In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced

    本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。
  4. Fast directsound, eax, a3d, sensaura 3d or macrofx are just a few of the favourite standards supported. the seamless connectivity with dvd players, ac3 - and dts reproduction via the digital interface, as well as the full support of current windows operating systems from 98se to xp with wdm drivers, is also a big advantage. for an easy start, the package includes various applications from dvd player to audio editors and virtual sound studio ; it offers everything you can dream of

    對于愛好音樂的使用者來說，一套好的製作工具可激發靈感源源不斷， dmx 6fire 24 96對于專業的應用支持更是其專長，在專業領域中最普遍的asio及最新的wdm kernel streaming都在dmx 6fire 24 96的支持范圍中，不論您是使用steinberg的wavelab nuendo還是cakewalk的sonar ，您都能獲致最短的時間延遲，在96khz的采樣率甚至下可達1 . 5ms ，讓音樂作品完美無瑕。
  5. Each virtual - loop ' s output signals mainly derive from the pixel difference between consecutive image frames within the virtual - loop area. when the result of consecutive frame difference is smaller than the threshold, current frame subtracts the background to produce the virtual - loop ' s signals

    各個虛擬線圈的輸出信號主要來源於幀間差分，當幀間差分的結果小於判斷閾值時，系統會自動調用減背景圖像處理方法來產生虛擬線圈信號。
  6. A common data acquisition card can be used on laboratory virtual instrument engineering workbench through designing the external interface between labview and common date acquisition card on the software design ; used the idea of the double buffer and direct memory access, a real time data acquisition and logging about the succession, big capacitance leakage current is realized ; a digital filter is designed to filter high frequency signals

    在軟體設計上，設計了與普通數據採集卡的介面，實現了在labview環境中應用普通數據採集卡的功能；運用雙緩沖和內存直接映射的設計方法實現對連續、大容量泄漏電流信號的實時採集和存儲；設計了數字濾波器對採集后的原始數據濾去高頻干擾。
  7. Targeting to the real requirements of refrigerator production in the strong competition of the current globalised marketplace, this thesis introduced the principle of the agile virtual enterprise into new refrigerator development project to meet the diverse needs of customers. based on the idea of concurrent engineering ( ce ), new product development must be taken into consideration in order to adapt the rapid marketing change, to obtain agile responsiveness and reduce the time to market, to achieve lower price and better product quality and high chance to hit target

    本課題的研究針對美的冰箱項目的實際需要，根據當前冰箱市場競爭的態勢，把敏捷虛擬企業的理論運用美的冰箱項目oem模式之中，根據市場需求的多樣性，提出了新產品開發模式必須適應市場需求，快速反應，開發周期要短，性價比要優，命中率要高，因此必須引入敏捷開發模式。
  8. Based on the scrutiny of the application of virtual reality technology and the analysis of the current status of vr application in automobile design, a car body modeling system is proposed in this thesis. this system utilizes ug ' s powerful surface modeling, solid modeling, further development and highly interactive tools, nicer virtual environment to realize car body modeling and virtual assemble

    本文在討論了虛擬現實技術的發展及國內外研究現狀，並深入分析了虛擬現實技術在汽車設計中應用的基礎上，提出了一個基於ug平臺上的車身虛擬造型系統，該系統藉助于ug軟體強大的曲面、實體造型功能以及二次開發功能，良好的輸入輸出界面、交互工具，很好的虛擬環境效果來實現車身的三維虛擬概念造型、虛擬裝配。
  9. Because the virtual myocardial cell contains cardiac electrophysiological detail such as ionic current and action potential

    因為虛擬心肌細胞是包含了離子電流、動作電位等心臟的電生理細節的。
  10. Virtual myocardial cell describes electrophysiological detail such as the open and close of the ionic channel and ionic current with mathematical model

    虛擬心肌細胞是用數學模型來描述了細胞興奮過程中細胞膜各離子通道的開放、關閉及離子電流的活動等電生理細節。
  11. The feed - back provided by the reflected electron beams reduce the start - up current and the start - up time in a vircator, while the existence of klystron cavity improves the extracting efficiency, hence the radial reflex klystron oscillator with virtual cathode combines the advantages of both devices, becomes a compact, efficient set

    利用虛陰極反射電子束對調制腔的正反饋，可以減小起振電流和起振時間，而且提高了微波產生效率。它是一種結構簡單，緊湊，不需要引導磁場的器件。
  12. Plants gently move to the current of the virtual water

    輕輕廠搬遷至目前的虛擬水
  13. Virtual reality is the hot issue on the edge of the current international multimedia technology

    在省教育廳領導的支持下，完成了《電氣工程虛擬實驗室》省級重點實驗室的立項。
  14. 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阻抗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阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，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技術實現該系統網路化的方案。
  15. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓矢量控制策略進行分析，提出了給定參考矢量所在區間判斷的簡化方法，以及電壓矢量作用時間的求取方法；分析了電流滯環控制策略，推導出開關頻率與滯環帶寬以及整流器輸入電感之間的關系；應用瞬時功率理論分析pwm整流器功率控制原理，通過虛擬磁鏈估計有功功率和無功功率，用matlab實現了直接功率控制，並驗證了該控制方法的正確性。
  16. The radial high current forms the virtual cathode in the reflected high frequency field, which further modulates the emitted electron beam

    徑向強流電子束在徑向反射場中會形成虛陰極振蕩，單獨的虛陰極振蕩產生的微波效率低。
  17. The test instruments based on this method are highly precise, but costly. the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method. the fft method is used to process the measurement data, which can decrease the measurement error

    本文作者研製了基於虛擬儀器的變電站接地網接地測量系統，該系統以labview為軟體開發平臺，採用小電流測試法，並利用快速傅立葉變換方法對測試信號進行數字濾波處理，提高了該系統的信噪比。
  18. The advanced control laboratory focuses on designing and developing strategies for control of contemporary electromechanical systems. current research areas include control of robot manipulators, multi - robot systems, visual tracking and control, control of induction motors, home automation, control of maglev systems, nano control, virtual reality, guidance and control of vehicles

    尖端控制實驗室是由傅立成老師所領導的研究群，研究范圍涵蓋國防、工業控制、奈米與磁浮精密定位技術、多群組機器人、影像追蹤與視覺、虛擬實境、機器人學與控制理論發展等。
  19. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中，首先採用mmg分離式數學模型及相關的系列化試驗結果，建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程，並編制計算程序，經與試驗結果比較，證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度，作者在上述已有程序基礎上，對有關模型參數進行偏移修正，探討了相應參數變化后的操縱性指數，對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討，所得結論與工程實際相吻合，具有實際應用價值，並為進一步提高船舶操縱性預報的精度打下了基礎;然後，在已有的船舶靜水操縱運動模型基礎上，考慮雙槳雙舵的影響，建立了內河雙槳雙舵船舶的操縱運動模型;最後，綜合考慮風浪流作用力的影響，進行了船舶的操縱運動模擬計算。
  20. In this paper the development and status in quo about temperature measuring technologies and instruments for temperature measurement are fist summarized, and the characteristics and localizations of the current hardware - based instrument for temperature measurement are also pointed out ; and then we take the thermocouple and thermo - resistance instrument for temperature measurement as the example to analyze the most representative temperature measurement and the principle of instrument, including the temperature measuring mechanism, physical structure and notices ; an advanced manufacture technology of instrument - - - virtual instrument technology and the virtual instrument based on which are introduced in succession. this paper also narrates at length the origin, characteristics and system structure. the virtual instrument and hardware - based instrument are contrasted, which stands out the superiority of virtual instrument ; finally we combine virtual instrument and the technology of temperature measurement, which comes into being the virtual multi - channel instrument for temperature measurement debated in detail in this paper

    本文首先概述了常用的溫度測試技術和溫度測試儀器的發展與現狀，指出了當前硬體化溫度測試儀器的特點和局限性；然後以熱電阻測溫儀和熱電偶測溫儀為代表分析了最具代表性的溫度測試與儀器的原理，其中包括它們的測溫機理、物理結構和注意事項；接著介紹了一種先進的儀器製造技術? ?虛擬儀器技術以及在此基礎上形成的虛擬儀器，對虛擬儀器的產生、特點、系統結構做了較詳細的介紹並和傳統硬體化儀器做了對比，突出了虛擬儀器的優越性；最後把虛擬儀器和溫度測試技術相結合，形成了本文著重介紹的虛擬式多通道溫度測試儀。
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