有效電動勢 的英文怎麼說

中文拼音 [yǒuxiàodiàndòngshì]
有效電動勢 英文
effective electromotive force
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 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...
  • 有效 : effective; valid; efficacious
  • 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
  1. The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120

    模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。
  2. Furthermore, this dissertation also gives a comprehensive analysis and comparison to the torque ripple factor, torque - current ratio and other aspects for pseudo - sinusoidal emf bldcm drived by 120 conduction mode, 180 conduction mode and self - synchronous svpwm mode respectively. the simulation and the experimental results indicate that self - synchronous svpwm method is more effective for minimizing the torque ripple without any expense of the torque - current ratio when the crest width of the back - emf waveform is less than 107 electrical angles

    對準正弦波反電動勢無刷直流電動機在120導通方式、 180導通方式和自同步svpwm三種控制方式下的轉矩脈動系數、轉矩電流比等方面進行了全面的分析與比較，模擬研究和實驗結果表明，當反電動勢的平頂寬度小於107電角時，採用自同步svpwm控制方法可以在不損失轉矩電流比的基礎上，更有效地抑制電磁轉矩脈動。
  3. Although the induced emf is not altered, the currents and their heating effects are minimized.

    雖然感生電動勢沒有改變，但卻把渦電流及其熱效應減到最小。
  4. Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays

    對比發現，燃氣機熱泵的一次能源利用率和（火用）效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐；對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理；通過熱經濟學的分析，得出燃氣機熱泵的供熱（火用）成本為11 . 2元gj ，這個價格與現行集中供熱的價格相比還是很有優勢的。
  5. On the base of model, considering the disturbance from the other 5 legs and variating load, we design an h - inf controller integrated with ip controller, which makes the system with the advantage of both h - inf control and ip control, and restrains the bad effect from variating disturbance. the simulation shows that this stradgy enhances the system robustness. in another solution, the coupling and load disturbances are regarded as the parameter variations of motor model, and the variation is observed, thus, the coupled dynamics of vamt is decoupled to 6 single motor systems

    在建立了模型的基礎上，本文針對單滑塊控制系統要受到其它滑塊及負載擾動的影響，採用h _控制方法設計的h _控制器與傳統ip位置控制器結合，使得系統具有ip位置控制器和h _控制的雙重優勢，有效地抑制了變化擾動對位置輸出的影響，模擬結果表明該方法大大提高了系統的魯棒性；本文提出的另一種方案是將桿間的耦合作用和負載擾動看作電機參數變化，利用觀測器進行觀測，從而將耦合的機床動力學系統解耦成為6個獨立的電機動力學系統。
  6. Then we set up the model of rectangle - shape pipeline. we compare it to circuit - shape pipeline on sides of the value of induced electromotive force, pressure loss when liquid flow trough the pipeline and resistance ' s value of the sensor. we get the result that we can finish the measurement of low - velocity flow by using the rectangle - shape pipeline

    接著對矩形測量導管進行建模，並在流體流經矩形測量導管時產生感應電動勢的大小、流體在測量導管中的壓力損失和傳感器內阻的大小對輸出信號的影響等幾個方面與圓形測量導管進行比較后得出採用矩形測量導管完全能夠有效地完成微流量的測量。
  7. With the annealing temperature increasing, the average optical transmittance increases and the absorption edge of the transmission curve of the films moves toward short wavelength

    Azo薄膜的塞貝克效應的結果表明: azo薄膜具有明顯的塞貝克效應，溫差電動勢隨著溫差（ ? t ）的增大而呈線性增大。
  8. It plays an important role in such aspects as saving the electricity, reducing the maintenance, realizing the automation and so on. becauce of its difference from d. c. motor, it is a complex controlled - object for its nonlinear, multiple variable, high order, compulsive coupling

    2 -試驗過程復雜。在交流調速技術中，變頻傳動是現代電力傳動的主要發展方向，它在節能減少維修、提高效率、實現自動化方面有很大優勢。
  9. To guarantee the validity and speediness insimulation, the back - emf is generated using piecewise linear curves. in the double loop of control system, a pi controller is adopted in the speed loop and a hysteresis current controller is adopted in the current loop

    為保證模擬快速性和有效性，模型採用分段線性法生成梯形波反電動勢，系統採用雙閉環控制:速度環採用pi控制，電流環採用滯環電流控制。
  10. For saving driver ics ' power consumption and cost, this research proposes a novel display pixel design with integrated charge pump circuits. the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels. there are two advantages for this developed novel pixel design. first, the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines. second, the high voltage driver ics are not necessary, such that the cost and power consumption of the corresponding driving systems can be diminished. from the simulation results, the pixel voltage indeed could raise to more than double input voltage by this proposed design. in addition, the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels

    為了節省面板電路驅動晶元的功率損耗以及製作成本，本研究提出一種新的像素電路設計，而在設計中將會融合電荷泵電路.利用這種電路設計的像素可有效地將像素電極上的驅動電壓提高到輸入電壓的2 3倍以上.此像素電路設計具有兩個優勢:第一，可以有效降低顯示面板的像素功率損耗;第二，不需高電壓的面板電路驅動晶元，因此可節省晶元的成本及功率損耗.由模擬結果可知，像素電極上的驅動電壓確實可由此像素電路設計而提高到輸入電壓的2 3倍以上;而像素的功率損耗也可有效地降低，約為傳統像素的1 / 2
  11. Semiconductor materials was laid on the base, and the corresponding electrode was lead to. the semiconductor material has selective adsorption to the gas that changes the electronic concentration which also raises hall coefficient, corresponding changes the export of hall electromotive force, so the gas sensors which is based on hall effect was made

    當我們把半導體材料塗敷到基片上，並引出相應的電極，由於氣敏材料對個別氣體有選擇的吸附特性從而改變了材料中的電子濃度，也就引起了霍耳系數的相應變化，輸出的霍耳電動勢也跟著變化，就製成了基於霍耳效應的氣敏傳感器。
  12. In the hall effect, hall electromotive force is not only related to the current density, magnetic field and the distance of the poles, but also to hall coefficient directly

    據知，霍耳效應中輸出的霍耳電動勢除了跟輸入的電流強度、磁場強度及輸出電極的間距有關外，還與霍耳系數成正比。
  13. Oled ( organic electroluminescent diodes ) is one of the most promising next - generation flat panel display technology due to its outstanding advantages, such as high efficiency, flexible, and low voltage. and much progress has been made in the researches on the materials and device structure in the last decade

    近年來， oled （有機電致發光）的研究進展對技術和商業都有著深遠的影響。與傳統的顯示方式相比，有機電致發光明顯具有起動電壓低，高效率，高亮度，厚度薄而且彎曲性能比較好等優勢，它的應用前景是非常誘人的。
  14. Chief justice, mr. andrew li kwok - nang ; and the director of public prosecutions, mr i. g. cross. a total of 12 panel sessions were held to discuss the background, magnitude and scope for developing long - term strategies and co - operation in dealing with cyber crime, money laundering, changing trends in narcotic crime and triad societies

    大會共設十二個小組討論環節，就電腦罪行、清洗黑錢、販毒活動的趨勢以及三合會罪行四個主要范疇，探討有關問題的背景、規模和范圍，並研究發展長遠策略及合作計劃，以有效打擊上述罪行。
  15. We bring forward a new method to reduce the additive electromotive force ( emf ) in circuit of the electrode leads

    提出了一種有效抑制電極引線迴路中附加感生電動勢的方法。
  16. The simulation results testify the reasonability and validity of the back - emf, and also testify the validity of the method for modeling

    模擬結果證實了反電動勢控製法的可行性和有效性，也證明了該建模思路的有效性。
  17. To implement this method, the structures of both the hardware and the software are analyzed in detail. the simulation and the experimental results show that this control technique can effectively minimize the torque ripple caused by distortion of the back - emf

    闡述了實現這種方法的軟、硬體結構，模擬研究和實驗結果表明這種控制策略可以有效地抑制由於反電動勢的偏差所產生的電磁轉矩脈動。
  18. Ttis study first discuss how 1ogistics company make use of netwrk to twe mangement, and then analyze the benefit, finally present advice to logistics company for futuf progress. the results of thes study are as followedffirst, the network environment is necmp for logishcs company. secon4the use of lithermation technology, netwotk skills and atmatic equipment will bring logistics company benefits, such as orrtiine information, reduced labor cost, cut down mistake and omission, no paper environmnt, effective store control, well inveneq cedl and on tli11e, correct accounting recoids and statements. third, b c ommerc e corp ofati on s e ntru s t t he l og ist ic di striblltion to l ogi shc s company, and ecommerce corporations can concem customers " goods and custoffier managenent. logistics con1pany can make use of scale advantage to hefo t customer / consumer receive goods more quickly

    研究結果指出，網路化環境為專業物流公司必行的決策，應用信息科技，網路技術與自動化設備將為專業物流公司帶來的效益有：即時有用的信息、抑減人力成本、減少錯誤與遺漏、無紙化環境、有效的儲位控制、良好的存貨控管以及即時正確的會計記錄與報表；電子商務公司將物流配送委由專業物流公司處理后，電子商務公司就可專注于提供顧客滿意的商品、豐富網站內容及做好顧客管理；而專業物流公司在接受電子商務公司的委託后，就可利用其規模優勢協助顧客消費者更迅速地取得所購的商品。
  19. To meet the needs of the development of international and domestic situations, improve the overall competitiveness of china ' s telecommunications industry and promote its sustained, healthy, rapid development in the new age, we need to make full use of favorable conditions ; resolve unfavorable conditions to a minimum ; make new breakthroughs in perfecting the supervision mechanism, forming an effective structure of competition, shifting operation mechanism and improving the external environment ; and raise its ability to operate in the environment of market economy and the framework of international regulations

    使我們在我國電信業的改革進程中，能夠充分利用有利條件，最大限度地化解不利因素。在不斷完善監管機制、形成有效競爭格局等方面取得新的突破。切實的提高在市場經濟環境與國際規則框架下我國電信運營企業的運作能力和水平，更好地適應國際、國內形勢發展的需要，提升我國電信業的整體競爭能力，推動我國電信業在新的歷史時期里持續健康快速發展。
  20. The result shows are as following, first, using a. c. impedance measurement to measure the compression sensibility of cfrc can eliminate the polarization effect at the electrode of cfrc specimen and the thermoelectric force of the electrode effectively ; the thermo sensitive effect can be avoided by using little electric current, so the a. c

    結果表明：採用交流阻抗法測試cfrc試塊的壓敏效應可以有效地消除cfrc試塊的電極處的極化效應和電極界面的熱電動勢；採用小電流供電可避免溫敏效應，因此交流阻抗法要比直流電阻法穩定性好。
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