磁極變換 的英文怎麼說

中文拼音 [cíjíbiànhuàn]
磁極變換 英文
reversal of magnetism
  • 磁 : 名詞1. [物理學] （磁性; 能吸引鐵、鎳等的性質） magnetism 2. （瓷） porcelain; china
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  1. For starters, the core ' s motion could help explain why magnetic north and south periodically wander or reverse over earth ' s history

    就像起動器一樣，地核的運動有助於解釋南北磁極周期性變換或歷史上地球磁極的翻轉原因。
  2. Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control

    再次，本文介紹了角度控制與電機轉向的關系，並對基於半橋變換器的電勵磁雙凸極電動機換相角與相電流及輸出轉矩的關系進行了理論分析和模擬驗證，提出了優化電勵磁雙凸極電機換相角的方法。
  3. The properties of the weak - coupling bound polaron in quantum well are studied using the linear combination operator and the unitary transformation method

    摘要採用線性組合算符及幺正變換方法研究了磁場對量子阱中弱耦合束縛極化子的性質的影響。
  4. Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel

    在充分考慮國內外不同的液壓泵電動機的基礎上，本文選用了雙凸極永磁電機作為整個系統的電機本體，並配以電動機控制器（控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分）組成整個液壓泵電動機系統。
  5. In this paper, the bias - magnetic of ppfc and the parameters effect on the bias - magnetic are all studied. firstly, the bias - magnetic principle of ambipolar converter and some basic relations are analysed under two different conditions ( different von and different ton )

    首先在導致偏磁的兩種情況下（管壓降不同和導通時間不同）下，從理論上分析了雙極性變換器變壓器偏磁原理及基本關系。
  6. The other is supported by emerson network power co., ltd as an advanced research project. and this paper mainly introduces how to design and realize a four - quadrant running srd system to control a 3kw srm ( 8 / 6 poles ) based on a dsp ( tms320f240 ), which uses h - bridge power convertor and power - consumption braking method

    本文基於省重點科研項目「開關磁阻電機新型控制及其調速系統」和深圳emerosn網路能源公司預研部項目，分析討論了如何設計實現一套以3kw的四相（ 8 6極） srm為控制對象以dsp為控制核心採用h橋式功率變換器和能耗制動方式的四象限運行srd系統。
  7. One can also imagine changing the orientation of the source or drain with a magnetic field, introducing an additional type of control that is not possible with a conventional fet : logic gates whose functions can be changed on the fly

    想像一下，如果可以利用磁場來改變源極與汲極的磁性方向，這就等於引進了一種新的控制方法，可以製造出運作時能切換功能的邏輯閘，這是傳統fet辦不到的。
  8. As a new kind of motor, switched reluctance motor ( srm ) has a doubly salient structure, and its windings are only mounted on the stators. these characteristics bring srm lots of virtues : solid structure, high reliability and efficiency, good fault - tolerance, low cost etc. switched reluctance driver ( srd ) combined srm with modern power electronic technology and control technology

    開關磁阻電機（ srm ）作為調速電動機的新品種，採用定、轉子雙凸極鐵心結構，並且只在定子上裝有集中繞組，轉子上無繞組或永磁體，具有結構簡單堅固、運行可靠、效率高、功率變換簡單、容錯性好和成本低等優點。
  9. The evolution of the local spin in a molecular magnet peg and [ mn4 ] 2 interacting with an injected electron is studied, we find that the variation in the magnetization of fe8, [ mn4 ] 2 and the electron spin crucially depends on the strength of the exchange interaction. we calculate the time evolution of the entanglement between the injected electron and fe8, [ mn4 ] 2

    在磁性分子fe _ 8和[ mn4 ] _ 2的自旋動力學和糾纏演化的研究中，我們發現糾纏度隨著時間而改變；自旋和糾纏度的振動幅度強烈依靠于交換作用，結果提供了用分子磁體和極化電子進行編碼和讀出數據的可能性。
  10. Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology

    另外，本文還建立了雙極型sr電機系統模型，採用了h橋式功率主電路，詳細分析了其工作原理，並在磁場、損耗等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。
  11. Research on the switch directions control of the variable pole based on the singlechip

    基於單片機的變磁極性換向控制研究
  12. Pole shifts are a cataclysmic inversion of the planet ' s axis of rotation, up to 180 degrees ; a sudden slippage of the planet ' s solid crust around the molten core

    磁極轉換是行星旋轉軸的大變動倒置，等於180度翻轉；在熔化的地核周圍行星固體外殼突然意外的滑移。
分享友人
分享到 Line

分享到臉書