振蕩轉動 的英文怎麼說

中文拼音 [zhèndàngzhuǎndòng]
振蕩轉動 英文
vibration rotation
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
  • : 轉構詞成分。
  • 轉動 : 轉動turn; run; twirl; roll; revolve; rotate
  1. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅及模式選擇電路中開關管的寬長比的選擇及模式換點的設計。
  2. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    波有下述特徵: ( 1 )周期較長,多數在30 ? 120s范圍,故稱慢波; ( 2 )幅度較大,其isi最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k范圍內變; ( 3 )在isi連續變化過程中往往出現突然折,暫稱其為拐點。
  3. With the increasing initial orientation angle and length - width ratio, the drifting distance, the fluctuation of the orientation angle, lateral drifting velocity and rotation velocity all increase, while the final settling velocity decreases with the increasing length - width ratio

    初始取向角和長寬比增大,則粒子的橫向漂移以及取向角、側向漂移速度和角速度的幅度都增大;同時隨著長寬比的增大,粒子的沉降速度相應減小。
  4. We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase

    研究了探測場或驅場失諧情況下開放的型無粒子數反激光系統中原子響應的時間演化規律,並與探測場和驅場都共時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅場或探測場失諧時,原子對探測場和驅場色散的響應不再為零,雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅場增益(吸收)的時間演化規律明顯改變;隨著失諧的增大,探測場增益(吸收) 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼子的演化規律;驅場色散驅場失諧量的增加而時間變長,幅和穩定值變大
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻;其次從逆變器-異步電機系統能量換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻;最後的實驗結果驗證了系統低頻建模和判據的實用性和正確性。
  6. To avoid high frequency oscillation in the course of autopilot design, damping coefficient value was treated as a constraint, the rise time was taken as objective, and the other performance criteria were taken as constraints, then the robustness design problem was solved by multi - objective optimization method

    摘要在導彈控制系統設計過程中,考慮了自駕駛儀的高頻問題,將其化為系統的一個約束條件,同時把上升時間化為目標函數,其他設計指標視為約束條件,採用有約束多目標優化的方法解決了系統魯棒性設計問題。
  7. The adm system mainly includes a oscillator, a clock generator, an amplifier, a pre - amplif ier, a comparator, an agc ( automatic gain control ), an adm analyzer & synthesizer, a d / a converter and a lowpass filter

    整個系統包括:內置器,時鐘產生器,放大器,前置運算放大器,比較器, agc (自增益控制器) , adm分析綜合器,數模換器以及低通濾波器。
  8. From single - phase power supply, the shocks have driven two of the permanent cigang rotor rotary rotary magnetic field, and reducer with calculated design to export different rotational speed and moment, with the corresponding reduction in rotational speed increase moment

    由單相電源供電,產生兩相旋磁場驅永久磁鋼子旋,與減速器配合,根據計算設計可以輸出不同的速和力矩,隨著速減少的相應的力矩增加。
  9. Abstract : a two - pole axially - laminated anisotropic ( ala ) rotor reluctance motor, with a high saliency ratio, is de - veloped. based on it, the performance characte istics of the motors are investigated with open - loop operation. it is proposed that an intensive oscillation occurs at low speed, corresponding to the frequency supplied a little greater than the natural one of the system

    文摘:研製了一臺高凸極比的兩極ala子磁阻同步電機,實驗研究了電機的開環運行特性,研究結果表明電機開環運行時存在一個比較嚴重的低頻,這個發生在電機電源頻率略大於電機的自然頻率后的某一頻段,且會導致電機失去同步
  10. In chapter 3, we studied the effect of gaussian transverse profile for the driving and laser fields on lasing without population inversion ( lwi ) in a closed v - type system and an open v - type system. moreover, we discussed also the effect of the unsaturated gain coefficient, the cavity - damping rate, the ratio of the atomic injection rates and atomic exit rate on the corresponding systems. in chapter 4, we mainly discussed the effect of doppler broadening on the gain, dispersion and the frequency up - conversion of the open v - type lwi system and compared the differences and the same between the open system and the corresponding closed system

    發現: ( 1 )在考慮doppler展寬的情況下,通過選取合適的實驗室條件(比如合適的原子環境溫度等)可得到合適doppler展寬值,從而使系統獲得最佳增益; ( 2 )要想實現系統的頻率上換,同時又要獲得足夠強的無反激光增益,則系統頻率換比不能選取的太大; ( 3 )對于開放系統,比較小的粒子注入速率比與退出速率對產生無反激光是有利碩士學位論文摘要的: ( 4 )由於dopp1oy展寬的存在,當探測場與驅場的傳播方向相反時,增益在探測場失諧的某一段區域產生,且幅、頻率失諧范圍的大小與dopper展寬的取值有關。
  11. We get into several theoretical discussions in the part two, and point out that the huge population is the very encumbrance of the modernization course in the country. historical experience of china farming since 1950s is covered in the third section, which prove the theoretical hypothesis reached in the former chapter, the suggestion here is that decision maker have to pay the most attention to the excess baggage. part four focus on the strategic decisions of wuhan, the archtypes of agricultural modernization are created in this part, also a conclusion is draw that, instead of putting the three strategies together, agricultural integration is the most suitable choice for the rural area of wuhan

    在文章的第三部分,首先運用一般的歷史分析方法,對我國農業現代化的歷史進行了總結和歸納;在此基礎上,運用系統力學的方法,建立了不同歷史時期農業發展問題的系統基模,並以此對農業現代化的態復雜特性進行了深入的研究和探索;也進一步證實了我國農業現代化進程的最為本質的制約因素是農業勞移問題,同時還指出,歷史上的種種「失誤」 、 「不足」 ,正是由於缺乏或忽略了對農業現代化的這種態復雜特性的深刻認識,並導致了我國農業現代化進程的過度與滯緩。
  12. A powerful tool of dynamical system analysis named normal form method is presented in this dissertation, and then it was used to analyze oscillation phenomena in interconnected power grids. using nonlinear coordinate transformation of normal forms, a fully described power system can be converted to an equivalent reduced order model, which can still use the conventional modal analysis of small signal stability problems

    論文將力系統非線性分析的正規形理論應用於互聯系統低頻分析中,利用正規形方法的非線性坐標變換,將高階電力系統化為等價的低階系統,在保留非線性信息的同時,使其仍然可以使用常規小信號穩定研究的模式分析方法。
  13. This thesis measured the vibration signals of 1 # and 2 # running turbine - generator sets in a generating plant and their vibration signals that are indispensable to the study are gained. firstly, the low frequency faults of machine stand in generator side, rotor unbalance, misalignment, oil whirl, oil whip are diagnosed by fft analysis. secondly, applying wavelet theory to probing the instantaneous abnormal phenomena of the signals and to show their components

    首先應用fft分析診斷出1 #和2 #汽輪發電機組存在的發電機側機座松子失衡、不對中、油膜渦、油膜等故障,再運用小波分析探測信號中的瞬態反常現象並展示其成分,比較精確地診斷出了該發電廠運行中的1 #和2 #汽輪發電機組存在的碰摩故障。
  14. Then numerical experiments on forcing dissipation and heating response of dipole ( unipole ) are carried out using global spectral model of quasi - geostrophic barotropic vorticity equation. for every experiment model integration is run for 90 days on the condition of three waves quasi - resonance. the results are given as follows : ( 1 ) under the effects of basic flow intensity and dipole ( unipole ) forcing source, there exist strong interaction among the three planetary waves, and there also exist quasi - two - week and intra - seasonal oscillation of the three planetary waves

    然後,用數值試驗的方法,應用強迫耗散準地正壓渦度方程的全球譜模式,並在方程中考慮了偶(單)極子的熱力強迫作用,在三個行星波準共的條件下,模式共積分90d ,得出: ( 1 )在基本氣流強度和偶(單)極強迫熱源的共同作用下,三個行星波之間存在很強的波?波相互作用,且波呈現準雙周和季節內
  15. On the aspect of errors analysis of hrg, a brief introduction of the close - loop detection theory of hrg is present first. later the expressions of close - loop detection errors are deduced in theory. the impact of stimulating signals, turning speed, outside appended oscillation, the location & area of electrodes, and the current loss in capacitor is considered, and the primary analysis of error compensation is given

    在半球諧陀螺誤差分析方面,本文從半球諧陀螺的閉環檢測原理出發,對半球諧陀螺閉環檢測誤差進行了分析和推導,考慮了激勵信號、速率、外界附加、電極位置及極板面積和電容傳感器等因素造成的陀螺誤差並對誤差補償進行初步分析。
  16. In this thesis, a multi - disk rotor supported by two plain journal bearings is used for the numerical and experimental studies. the one aim is to analyze the nonlinear dynamic characteristics of the rotor system under different varying parameters ; the methods of online elimination of the oil whip and subharmonic vibration are developed and studied also. besides the expression of the nonlinear oil film force is proposed, so that the unbalance of the nonlinear rotor system may be identified online

    作者在總結了前人大量的有關非線性研究工作的基礎上,確立了本文的研究目標:一是以工程應用為背景,研究子-軸承系統由非線性油膜力引起的非線性特性以及各種影響因素,力圖通過對子-軸承系統非線性特性的分析,找到切實可行的在線消除油膜的辦法;二是研究非線性油膜力的表達方法式,使非線性子系統的不平衡量在線識別成為可能。
  17. This microstructure stimulates the piezoelectricity thin film rocking bar using the oscillating circuit to have the vibration, rocking bar impetus slide around translational motion, simultaneously tows the crank to have the rotary motion

    該微結構?用電?激發起壓電薄膜搖桿生成,搖桿帶?塊前後直線移,同時牽引曲柄生成旋
  18. Interface capturing method for multi - fluid flow, which smear out the tangential discontinuity, is developed to simulate the compressible flow. the multi - fluid problems can be transformed to a single - fluid to resolve, using the fluid dynamic conservative equations coupled with the interfaces capturing equations, and any of stability and non - oscillation scheme for the whole computational region. the two schemes mentioned above are better

    給出的方法具有以下特點:引入界面捕捉方程將切向間斷抹平,形式上將多流體計算化為單一流體計算,數值計算通過解流體力學和界面捕捉耦合方程組來實現,可以應用的差分格式是任何一種穩定和不產生非物理現象的差分格式,前面提到的兩種格式只是其中效果比較好的格式。
  19. For an ev drive system, the variation of rotor time constant will bring on variation of torque and exorbitant line voltage even the field orientation may be destroyed. the varied torque will affect ev dynamic performance, and the higher voltage will limit the output power due to the bound of batteries in ev

    對于電汽車驅系統來說,子時間常數的波會導致輸出矩和電機電壓的波,並且嚴重時會導致系統出現矩的波會影響汽車的態性能,電機電壓的波則會由於電池電壓的限制而影響電機的輸出功率,這些都是電汽車的驅系統應該避免的問題。
  20. The mathematical model of working process is built, and the theoretical analysis is accomplished, too. from the viewpoint of energy building and transform, another new method, named as additional resonant starting way, is presented. the principle of working and the structure of the circuit are described in detail

    通過分析負載變化對串並聯逆變器啟的影響,在預充初始能量研究的基礎上,從能量補償和能量換的觀點,提出了兩種新的啟方法:負載充磁啟方法和附加方法。
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