直接逆轉 的英文怎麼說

中文拼音 [zhíjiēnìzhuǎn]
直接逆轉 英文
direct reversing
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 逆 : Ⅰ形容詞1 （方向相反） contrary; counter 2 [數學] inverse; converse Ⅱ動詞1 （抵觸; 不順從） go aga...
  • 轉 : 轉構詞成分。
  • 直接 : direct; immediate
  • 逆轉 : take a turn for the worse; become worse; deteriorate; set back; kick back; reverse; inversion; re...
  1. For some sediments and flow the flat bed does not occur and the bed form goes directly from dunes to antidunes.

    對某些泥沙和水流，平整床面並不發生，而床面形狀則直接從沙壟轉為逆行沙壟。
  2. Traveling wave revolving ultrasonic motor is the direct driver motor that transforms the electric energy to mechanic energy applying the converse piezoelectric effect of piezoelectric and friction driver

    行波型超聲波電動機是一種應用壓電陶瓷的逆壓電效應，通過摩擦力驅動，把電能轉換為機械能輸出的直接驅動電機。
  3. The ultrasonic motor is a kind of direct driver which is uses the converse piezoelectric effect of the piezoelectricity ceramics, by using transformation and the coupling of each kind of expansion and contraction vibration pattern enlarging the material microscopic distortion by resonate effect and transforming it to macroscopic movement of the rotor or the slide by the friction coupling

    超聲波馬達是一種利用壓電陶瓷的逆壓電效應，通過各種伸縮振動模式的轉換與耦合，將材料的微觀變形通過共振放大和摩擦耦合轉換成轉子或者滑塊宏觀運動的直接驅動器。
  4. A c a2 + / calmo dul in - dep endent pro te in kinas e i i ( c amkii ) antagoni st kn - 6 2 ( 5x l0 - ' mol / l ) presented in the intemal solution had no significan effect on the current peaks induced by extracellular nmda ( l0 # mol / l ), but prevented the inhibitory effect of b on inmda " these results indicate that gcs have rapid, reversible idebitory effects on lnmda intracellular application of b thiough microelectrode had no effect on inmda, howevet, extracellular application of b or b - bsa suppressed peaks of inmda : all these denote b exerts its influence on nmda receptor by cytoplasm membrane mechansms, which is naxnely rapid, nongenomic mechhasms

    加有快速、可逆的。非濃度依賴性抑制作用。通過微電極將b直接導入細胞內， inmda不受影響，而胞外給予b或besa ， inmda減小，提示b對nmda受體的調控通過膜機制產生，這種作用與經典的基因組機制不同；因為廣譜激酶抑制劑和特異的pka抑制劑均可翻轉b的抑制效應， camk11抑制劑也可阻斷b的效應，而這些激酶抑制劑本身對inmda即有強烈的抑制作用： pka激動劑本身對inmda無明顯作用，也不影響b對l 。
  5. Loosen the lock collar by turning it counterclockwise until it seats against the top of the memory stop

    逆時針旋轉鎖軸套將其松開直到其接觸到記憶止動裝置的頂部位置。
  6. Flux position & error in flux magnitude and error in torque are used as fuzzy state variables. fuzzy logic is used for choosing the switching state. a fuzzy logic controller can choose the switching states according to a set of fuzzy rules based on both specialists " experience and knowledge, which improves the response performance of the system effectively during start - up and change in load

    作為本文的一個創新點，針對普通的直接轉矩控制在給定轉矩躍變時反應較慢的缺點，提出了一種模糊控制器，把磁鏈位置、磁鏈誤差和轉矩誤差作為模糊輸入變量，應用模糊邏輯來確定逆變器的開關狀態，該模糊控制器根據一套基於專家經驗和知識的模糊規則來選擇開關狀態，從而有效地提高了系統在啟動和負載突變時的響應速度。
  7. Specific issues examined are : compensation for the variation of the stator resistance, the offset error of the dc bus voltage, the voltage error generated by the forward voltage drop the dead time of the switches, improvement of the steady state performance, and the speed sensorless control for the pmsm dtc drive system are of major concern in this thesis

    定子電阻變化，直流母線電壓漂移，開關器件反向相電壓降、逆變器死區時間引起的電壓誤差的補償，提高系統穩態運行性能以及永磁同步電機直接轉矩控制的無速度傳感器運行方案等問題都是本文研究的重點。轉矩的快速響應是直接轉矩控制演算法的一個卓越的性能。
  8. Because direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable for the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，採用了目前比較流行的數字信號處理器（ dsp ）作為系統的控制器，其處理速度高的特點正好符合本實驗的需要：在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  9. Due to the direct torque control requires very high performance of real - time, the popular microcomputer core dsp is used as controller in the design of hardware. its high speed of running is suitable to the experiment. in the main circuit, there is a highly integrated power element : ipm as inverter, which includes seven igbt, has high switch frequency and fault diagnosis function

    在本控制系統的具體實現上，由於直接轉矩控制對實時性要求很高，因此在硬體方面，本課題採用了目前比較流行的數字信號處理器（ dsp ）作為本實驗的控制器，其處理速度高的特點正好符合本實驗的需要；在主電路中，本系統使用了集成度高的功率器件：智能功率模塊（ ipm ） ，作為逆變環節，其集成了七個igbt ，實現了高開關頻率逆變以及故障診斷的功能，從而使控制系統的體積大大縮小、控制更加靈活。
  10. Prestack migration method, based on wave motion equation, is also developed for receiver function, and compared with ray method. both p - to - s conversion wave and direct p phase contained in receiver function are migrated and imaged by reverse - time migration for data gather including all receiver functions recorded in all seismological stations for one event, and imaging profile is finally obtained by stacking for all events

    本文還在接收函數射線反投影疊加成像的基礎上，提出了一種基於波動方程的接收函數疊前偏移成像方法，將同一事件接收函數中的轉換波和直達p波震相以各自的速度向深度方向逆時延拓成像，並通過不同慢度接收函數的疊加，得到最終的偏移成像結果。
  11. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量，直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈，藉助于離散的兩點式調節產生pwm信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
  12. Make sure the diaphragm tab and compressor guides are properly located in their body slots by rotating the handle counterclockwise until the stem is in the full up position

    通過逆時針方向旋轉手柄，直到閥桿位於完全上升的位置，確保隔膜接頭片和壓縮裝置導架位於閥體上的相應的槽上。
  13. This paper make a study of controller on permanent magnetsyn - chronous motor. the permanent magnetsyn - chronous motor has many virtue such as simply structure and simle solidity etc. with this excellence. it has more and more uses in industry and agriculture. the idea of this paper is to control permanent magnetsyn - chronous motor system through vector control. to solve the problem of pid regulator, we use the fuzzy control and self adaptive pid

    本文設計的思路是採用轉子磁通定向的矢量控制技術，主電路採用spwm和交-直-交電壓型逆變器，其中spwm採用sa4828晶元直接產生，在控制器的實現方面，採用了tms320lf2407型dsp晶元作為主控板cpu ，實現了電流、轉速雙閉環的控制系統。
  14. “ europe is becoming more open to china, but i can ' t sustain that unless china shows the same openness to us, ” mr mandelson told the financial times, warning he would come under increasing pressure to take tougher action if beijing did not move to clear market barriers

    歐洲對中國限制國外企業直接進入和利率轉換政策表示不滿.如中國今年頭七個月以8600萬歐元貿易赤字逆差的增長，降低人民幣的市場價值率.歐洲對華逆差加劇了對中國的不滿
  15. The direct torque control theory is a kind of new control method after vector control theory in ac control field. it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector. adopting the stator magnetism field direction method, it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced

    直接轉矩控制技術是繼矢量控制技術之後交流調速領域中新興的控制技術，它採用空間矢量分析的方法，直接在定子坐標系下計算並控制交流電動機的轉矩和磁鏈，採用定子磁場定向，藉助于離散的兩點式控制產生脈寬信號，直接對逆變器的開關狀態進行最佳控制，以獲得轉矩的高動態性能。
  16. In this scheme, the torque of motor is calculated and controlled in the staler reference frame. by using stator field orientation, the optimum switching mode is achieved to control the inverter

    它直接在定子坐標系下計算和控制交流電動機的轉矩，採用定子磁場定向控制，直接對逆變器的開關狀態進行最佳控制。
  17. Ultrasonic motor ’ s vibration is excited by the conversely piezoelectric effect of piezoelectric materials. with the friction coupling, the rotation of the rotor or moving of the slider is generated. as a direct driving motor, it is becoming a hotspot in the field of mechanical and electrical control

    超聲波電機利用壓電陶瓷的逆壓電效應產生超聲振動，並將這種振動通過摩擦耦合來直接驅動轉子或滑塊的運動，它作為一種直接驅動電機已成為當前機電控制領域的一個研究熱點。
  18. In the conventional pmsm dtc system, the stator flux linkage is calculated from the integration of the difference between the machine input voltage and voltage drop across the stator resistance, and the input voltage is obtained by synthesizing the dc - link voltage and the switching mode of the inverter

    在常規直接轉矩控制系統中，定子磁鏈是通過直接積分電機端部輸入電壓與定子電阻壓降之差計算得到的。電機端部的輸入電壓又是通過電機直流母線電壓和逆變器的開關狀態綜合得到的。
  19. However, there is no concept directly corresponding to objects in non object - oriented systems. a lot of object - extraction approaches for extracting objects from legacy systems into object - oriented systems. the paper did a lot of in - depth research about object - extracting approach on module features

    由於在非面向對象系統中沒有與對象直接對應的概念，因此目前提出了大量的對象抽取方法，通過逆向工程思維，將非面向對象系統轉換為面向對象系統。
  20. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are caculated and controlled in the stator reference frame, and the optimal pwm gating signas are generated to control the inverter according to the output of the bang - bang regulator. in this paper, the dtc system is designed based on dsp. a speed estimation method is derived detailedly and the sensorless speed close - loop control is conducted. in this system, there are some problems, such as flux drift and torque ripple. to resolve these problem, a modified flux caculation method and some measures such as speed lpf, torque slide filtering are adopted. the system performance is enhanced by these mersures

    直接轉矩控制採用空間矢量的概念來分析異步電機的數學模型和控制其各物理量，直接在定子坐標系中計算和控制轉矩和磁通，藉助于離散的兩點式調節（ bang - bang控制）產生pwm信號，直接對逆變器的開關狀態進行優化控制，以獲得轉矩的高動態性能。本文採用dsp設計了直接轉矩控制系統，詳細推導了速度估計方法，進行了無速度傳感器的速度閉環控制。
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