零電勢 的英文怎麼說

中文拼音 [língdiànshì]
零電勢 英文
zero potential
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  1. The selection of zero electric potential in calculation

    電勢計算中零電勢的選取問題
  2. Discussions about electric potential reference point

    關于電勢零點設置的討論
  3. Discussion on the selection of zero point of electric potential

    關于電勢零點選取的討論
  4. The choice of the zero point of electric potential

    論電勢零點的選取
  5. Discussion on selection of zero point of potential

    關于電勢零點選取的討論
  6. The randomicity and relativity of the selection of the referrence of the zero potential was discussed, also mentioned were two rules obeyed in a few special cases and the particularity of the potential distribution function

    摘要闡述電勢零點選擇中應注意的幾種特殊情況和應遵循的兩個法則，以及電勢分佈函數的特殊性等問題。
  7. Zero potential selection of electrostatic field

    靜電場電勢零點的選擇
  8. Zero potential selection of electrostatic

    靜電場電勢零點的選擇
  9. Then one of the methods of rotor position detection - bemf zero crossing point detection is explained in detail. in succession, the chapter dissertates the method of measuring phase voltage and supply voltage, and analyses the error of rotor position using this method

    對轉子位置檢測方法中的反電勢過零點法作了比較詳細的介紹，討論了反電勢法中相電壓和端電壓的檢測方法，並分析了利用該方法時而產生的轉子位置檢測誤差。
  10. Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter

    其次，就目前所研究的熱點? ?反電勢法，詳細討論了其轉子位置檢測的原理，在此基礎上提出了一種改進的反電勢過零點檢測方法，其可直接從電機端部得出反電勢對地的電壓值，而不是通過電機中心點電壓來得到反電勢。
  11. This paper uses " virtual neutral point method " to measure the " zero crossing ", then the soft deal " zero crossing " to get the six key position to commutate

    本文採用虛擬中點的方法來識別反電勢過零點，然後對過零點進行處理得到無刷電機換向的六個關鍵位置。
  12. The system uses the microchip pic16f877 made by microchip co. ltd as a control chip. it fulfills the capture of " zero crossing " point and the multifarious protective functions. it realize the approximately exact commutation of the motor and unmanned supervision of the system

    本系統是以microchip公司生產的pic16f877為核心晶元，軟硬體結合完成對反電勢過零點的捕捉和系統的各種保護，實現了電機較為準確的換向和無人監控安全運行。
  13. The chip jk3ce that is one of micro - controllers in motorola 68hc08 family is used as control unit in this system. the zero crossing point of the back emf can be obtained by comparing the terminal voltage with the virtual neutral point, then using the software of the system can figure out the commutation period. the electronic commutation replaces the mechanical commutation in this way

    本系統採用的控制晶元為motorola系列單片機中的jk3ce ，反電勢過零點可以通過比較電機端電壓和虛擬中點電壓來得到，將過零點信號送往單片機捕捉埠後由系統軟體來確定換相時刻，這樣就可以由電子換向裝置替代機械換相裝置，有利於提高系統運行的可靠性，並降低了系統維護的費用。
  14. Determine zero point of electric potential and iis calculation in static electric field

    靜電場中零電勢點的確定和電勢的計算
  15. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面分析研究了無位置傳感器無刷直流電動機運行方式的基礎上，細致闡述了反電勢過零檢測、相位判斷及相位補償的原理及實現方法，並且為了在較寬的范圍內提高bldcm的調速性能，採用了數字式轉速閉環控制。
  16. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點，同時在軟體中採用數字濾波以消除其它噪聲干擾，使檢測電路檢測到的反電勢過零點更加準確可靠，實現了對五位置傳感器直流無刷電機的數字控制。
  17. ( 3 ) the electric field breaks the energy degeneracy for symmetrical impurity position in the well, the results show that the redshift and blueshift of the impurity stark energy shift as the impurity position. ( 4 ) under the same external electric field, the impurity stark energy shift is obviously different with the different aspect ratio of the quantum well wires

    （ 3 ）當施主離子位於勢阱中不同位置時，零電場下量子阱線中的雜質態是關于施主離子位置中心對稱的簡並態，在外加電場作用下發生能級分裂，這種簡並不再存在;雜質的stark能移由於施主離子位置的不同表現為紅移或藍移。
  18. The discussion of electric potential reference point from some feign mistakes

    從幾個佯謬問題所引起關于電勢參考零點的討論
  19. An approximate analysis of medium frequency parallel converter used in power supply controlled by microcomputer is presented in this work. the proposed approach may be applied to converters whose industrial applications are induction heating and metal melting installations. it is shown that closed loop circuit feedback control and opened loop circuit control are separated during the zero - power start - up process

    通過閱讀資料和文獻，在對中頻感應加熱及其相關技術的發展、現狀和趨勢作了一個比較全面而深刻的研究基礎上，論文分析了並聯感應加熱電源閉環控制的控制策略，並採用閉環開環分離的方法，解決了零電壓啟動問題；設計了中頻感應加熱電源的微機控制系統。
  20. To attempt argumentation choice of zero potentail reference in electrostatic field

    試論靜電場中零電勢參考點的選取
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