起動波 的英文怎麼說

中文拼音 [dòng]
起動波 英文
starting wave
  • : 起Ⅰ動詞1 (站起; 坐起) rise; get up; stand up 2 (取出; 取走) draw out; remove; extract; pull 3...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 起動 : start (a machine, etc. ); switch on起動電動機 starting motor; 起動器 starter
  1. As the waves from the aleutian earthquake hit the hawaiian islands, they were driven ashore in a few places as a rapidly moving wall of water up to 6 meters high

    當由阿留申群島地震引浪到達夏威夷群島時,這些浪在幾處地方形成了最高可達6米高的快速移的水墻沖上海岸。
  2. Flowing into streams, i ' ve been flying spring stream and waterfall to freshen ridges and peaks up. mingling in rivers to be fleecy waves with songs for smiles of rocks along the side banks ; walking into lakes to gentle waves with green montains for the coming of sun, up and down. finally, i came to you, waiting for your embracing, for you ' re my longing sea, so you ' ll certainly not repudiate me

    我流經山谷,看過鳥語花香;我走過草地,聽過蟲鳴蛙鼓;我走過籬落,看過枝頭的第一抹新綠;我匯入泉源,化作飛泉瀑布,給峰巒梳洗打扮;我匯入江河,化作浪花朵朵,給岸邊的巖石唱聽的情歌;我匯入湖泊,化作溫柔的碧,和青山一,共同迎接日出月落;最後,我來到你面前,等待你的接納,我想你是海,你一定不會因我的渺小而拒絕我的到來。
  3. The calculation results indicate that the starting performance of forebody / inlet with wedge - shaped lip is better than that with plane lip at low flight mach number. at high flight mach number, the performance of the forebody / inlets designed by the two methods is approximate. at low flight mach number, the starting performance of forebody / inlet designed by the method of constant shock wave intensity is better

    結果表明:唇口帶楔角的進氣道在低飛行馬赫數下的性能優于唇口平直的進氣道;採用等激強度和等激角度方法設計的進氣道在高飛行馬赫數下的性能相近,在低飛行馬赫數下,採用等激強度方法設計的進氣道性能較優。
  4. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓形諧大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  5. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電勢類似正弦的準正弦反電勢無刷直流電機,本文提出一種基於六個離散位置信號的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電磁轉矩脈,分析了實現這種方法的主要控制環節,包括時電壓空間矢量的初始定位,阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  6. The transfer of earthquake wave in ground soil is related to soil characteristic, excitation magnitude, etc. it is not always amplificatory, but likely to be filter and isolation

    表明地基土層對地震的影響與場地土特性、地震大小等有關,不一定是放大作用,也可能和隔震作用。
  7. Thus, an open loop control scheme and a closed loop control scheme based on chopper system are introduced. lastly, a hardware and software design based on m icro - controller is presented

    本文最後對基於斬方式的三相交流異步電機的軟方法給出了基於遠程監控的具體實現方案。
  8. Mathematic model of wtg has been established which includes wind turbine, induction generator, thyristors, synchronous 6 - pulse generator and so on. the numerical simulation curves on the 275kva wtg are given

    建立了由晶閘管控制的風力發電機軟並網系統模型,以一臺275kva的發電機為例進行了模擬,給出了和並網的模擬形。
  9. In this paper, the starting parameters of the motor is estimated by kalman filtering arithmetic that is a parameter test mehod that can be considered the running state. base on the basic kalman filtering arthmetic, linearization extended kalman filtering arthmetic that is fit to the motor system that is a non - linear controled system is got

    因此本文利用卡爾曼濾遞推演算法對電機時的參數進行估計,該方法是一種結合運行方式的參數測試方法,從基本的卡爾曼濾遞推演算法出發,推得了適應電機這個非線性控制系統線性化的推廣卡爾曼濾遞推演算法。
  10. According to their changes, the decaying process can be divided into 4 stages : the drastic change stage the fluctuant reducing stage the stage tending to be stable the fluctuating and rolling stage

    根據其變化可將腐解過程分為四個階段:劇烈變化階段緩降階段相對平穩階段階段。表明dtg曲線與dta曲線一樣可以反映腐解過程的特徵。
  11. The algorithm is also applied in the broken rotor bars detection in squirrel cage induction machines, which is dependent on detecting the twice slip frequency modulation due to the speed or torque in the stator current, and the rotor bar faults can be detected effectively without some preprocessing

    指出可以利用信號的小脊線來提取頻率隨時間連續變換的信號的瞬時頻率,並將該瞬時頻率提取演算法成功地應用到異步電機定子電流信號的分析中,有效地提取出了轉子斷條故障特徵。
  12. Based on this, it analyzes effect to cannon mouth vibration caused by tube curve bringing bourdon domino effect. from deducing formula, it calculated connection of tube camber and cannon jump of angle, and discussed feasibility of carrying through shot modifying by tube camber

    在此基礎上分析了身管彎曲引爾登效應對火炮炮口振的影響,並從炮身振入手,通過公式推導,計算了身管彎曲度與火炮跳角之間的關系,從理論上探尋了根據身管彎曲度進行射擊修正的可行性。
  13. In this chapter, the method of bldcm rotor position detection is first discussed. then the principle and algorithm of bemf zero crossing point detection is explained. in succession, the chapter dissertates the software realization of the bemf zero crossing point detection algorithm, the software disturbance filter and the modification of phase displacement, and the software realization of commutation point

    在這一章中,先簡述了無刷直流電機的轉子位置器檢測方法;然後論述了反電勢過零檢測原理和演算法以及該演算法的軟體實現、軟體濾和相移修正、換相點的軟體實現;最後對軟體開環換相策略作了詳細論述。
  14. The thesis realizes the control exciting winding method and the best exciting in towards polarity method provided in this thesis with singlechip ( at90s8535 ) and scr hardware. it proves these methods are accurate and available through the control exciting winding test. analyzing the stator current and exciting current test curves on a salient - pole synchronous motor with 2kw - 4 poles, it solves the starting - difficulty of salient - pole synchronous motors, and improves motors " starting capability

    通過在一臺2kw 、 4極凸極同步電機上進行異步試驗和分析試驗過程中的勵磁繞組電流和定子繞組電流的形,證明了本文提出的勵磁控制線路的正確性和可行性,較好地解決了凸極同步電難的問題,同時改善了電機的性能。
  15. Chirp up the chirp is played from start frequency to the end frequency

    短促聲開始短促聲頻率對結束頻率播放。
  16. Chirp up down the chirp is played from start frequency to the end frequency and again to the start frequency in time defined by play chirp time

    短促聲結束短促聲頻率對結束頻率播放,然後重新回到播放短促聲時定義的頻率。
  17. End frequency defines the final frequency of the chirp like for start frequency ( the chirp can start from low frequency and end up on high or opposite way around )

    結尾頻率定義短促聲的最後的頻率相位為頻率(短促聲可能從低頻率開始,在高或相反的區域結束) 。
  18. It is both a theoretic and a practical project. after analyzing several identification methods, the writer put forward a method based on t - model equivalent circuit. to consider the skin effect, the writer modified the t - model equivalent circuit, adding the skin effect coefficients

    經過分析幾種常用的電機參數辨識方法,如頻響法,最小二乘法和卡爾曼濾法等之後發現在本課題的前提條件? ?空載全電壓下無法進行辨識,因此藉助于電機的t型等效電路模型。
  19. Simulation results show that the wavelet transform is suitable for the discrimination of the distant fault current from the train starting current

    對計算結果的討論表明了使用小變換來鑒別地鐵遠方短路電流和列車電流是可靠的。
  20. In the fourth level ? the very deepest sleep ? brain waves are like calm ocean waves. . long, slow, and rolling

    在第四階段,即最深層睡眠階段,腦電就像平靜的海浪? ?長長地、緩慢地
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