自振蕩的 的英文怎麼說

中文拼音 [zhèndàngde]
自振蕩的 英文
self oscillatory
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 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...
  • : 4次方是 The fourth power of 2 is direction
  1. Amplifier self-oscillates at a frequency depending on the velocity of the fluid.

    放大器頻率就取決于流體速度。
  2. A method to eliminate self - oscillation in testing hfe of low power uhf audion

    一種消除方法
  3. But sometimes self - excited oscillations and noise may appear in hydraulic flapper - nozzle servo - valve if its construction is not selected very correctly. if self - excited oscillations and noise appear in hydraulic servo - valve, the performance of hydraulic control systems may lose stability

    因它具有非常快響應速度,所以是目前應用最廣泛伺服閥,但它也存在激現象,容易產生激噪聲和,嚴重影響伺服控制系統穩定性。
  4. Aim to eliminate the influences of backlash nonlinear characteristics, a second generation adaptive pid controller based on single neuron is given. the result of simulation and the debug of actual digital servo system shows that the controller can effectively get rid of the sustained oscillation of the system caused by the backlash characteristics, and can improve the system accuracy

    隨后,採用改進型單神經元適應pid控制器來消除間隙非線性對系統影響,模擬結果表明所採用方法能有效消除間隙特性引起系統,並且能夠提高系統跟蹤精度。
  5. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下,三能級原子在光子晶體中發發射問題.由於量子干涉和光局域化作用,兩個上能級中占據數將具有周期或準周期性質,這不僅依賴于兩個上能級與禁帶相對位置,同時也依賴于原子初始狀態,而且還與驅動場強度、驅動場入射位相有關.這些性質既與真空中帶有驅動場原子發發射性質不同,也有別于無驅動場作用下光子晶體中三能級原子發發射性質
  6. Because the self - oscillation, the dynamic accuracy of the servo system is not only correlative with servo system parameters but also influenced by the input signal amplitude, frequency and the system self - oscillation state

    由於狀態存在,伺服系統動態精度不僅與伺服系統參數有關,還受到輸入信號幅值、頻率以及頻率影響。
  7. For the amplitude - frequency response at the self - oscillation frequency is one, a method to calculate the dynamic accuracy and the index of the servo system is provided, by comparing them, the scheme to design the verifying unit is presented

    利用伺服系統在頻率點幅頻特性為1這一特點,將輸入信號頻率、幅值、系統狀態和系統參數聯系起來,構建了伺服系統動態精度計算公式和指標估算經驗公式,並根據兩者關系提出動態精度校正方案。
  8. Finally, the experiment was performed in order to exam the effect. the pulsating liquid flows through a single pipe heated electrically. the heat transfer coefficients were measured under different conditions

    將helmholtz共腔產生脈沖射流引入換熱器后,當強度達到一定程度后,可以強化換熱。
  9. The analysis and control of self - excitation oscillation in multi - pass systems

    多程放大系統中分析和抑制
  10. Simulative study on eliminating of self - excited oscillation in turning process via neural network control technology

    利用神經網路控制技術消除車削過程模擬研究
  11. There are various kinds of the self - oscillations in the preamplifier system of the high power laser facility, the origins of them were analyzed in theory

    摘要分析了高功率激光裝置預放大系統內外各種來源,通過理論計算和實驗驗證提出了各種抑制方法,並在實踐中得到驗證。
  12. ( 3 ) the frequency may transit from the second harmonic oscillating frequency to the third one when the hot temperature is higher than the specific temperature and the pressure is higher than the specific pressure

    在實驗中發現,在一定加熱溫度和工作壓力下,系統頻率從第二諧頻率跳變到第三諧頻率。
  13. It was found in preliminary tests that sound pressures of the oscillations were diminished with tripping wires or side jets when the wires or the jets were introduced into the impinging shear flow in certain ways

    初步試驗表明,在一定條件下絆線或旁射流削弱了流動。為探求它們削弱機理,在非撞擊剪切層上進行一組可控實驗。
  14. On the basis of the primary studies upon the nonlinear interactions between the unstable waves and the self - excited oscillations in the flow, experiments were focused upon the attenuation effects on the oscillations of tripping wires, side jets and deflected plates, and upon the mechanisms for the attenuations

    在對流動不穩定波之間非線性相互作用過程和基本規律研究基礎上,實驗研究了絆線、旁射流和折板削弱效果與機制。
  15. Just under this urgent consideration, based on the fact that self - oscillation can produce pulsation of flow, to influence the flow boundary layer, thus to increase convective heat transfer coefficient, it is necessary to devote to the mechanism of self - oscillation and apply it to a heat exchanger

    正是在這種迫切要求下,基於能產生脈沖流動而影響流動邊界層從而提高對流換熱系數來強化換熱考慮,需要開展對機理及其應用研究。
  16. The relaxation oscillation in solid - state laser with relaxation oscillation pumping is studied theoretically by the rate equation. the undulation of the laser photon density contains relaxation oscillation frequency itself and that of pumping. when those two frequencies are close, the oscillation will be resonated

    我們用速率方程小信號近似方法對泵浦帶有弛豫固體激光器弛豫特性進行了系統理論研究,發現實際光子數起伏同時具有身固有弛豫頻率和泵浦光弛豫頻率兩種分量。
  17. There are many optical depletion mechanisms, such as diffraction depletion, the transimission of a reflector, scattering of the medium in the cavity, non - life absorption and so on, so the quality factor ( q factor ) is low. in

    利用這種微諧腔製作激光器,其發輻射頻率落在光子晶體禁帶范圍內,有效降低了激光閾值,從而使激光器具有低閾值高效特點。
  18. In the course of the low phase noise research, by integrating many aspects, using recent accomplishments, i come up with my method and theory, that by comprehending and controlling subcircuit of oscillator ' s resonator, can let us know exactly their working states. using this method and theory, combining the vco circuit of this subject, i deduce and demonstrate particularly the reason of low frequency oscillation, and come up with the measure of avoiding it. this makes design and producing vcos can avoid the disturbing of low frequency oscillation, and improve the features of vcos. at later process of debugging vco, using this method makes the vco achieves very good working state

    在低相噪研究中,綜合了各方面情況,運用了當今低相噪vco研究成果,並提出了對諧電路結構進行總體把握,從而準確得知電路工作狀態思想和理論。運用此方法,在論文中結合本vco電路拓撲結構,詳細推導和論證了低頻產生原因,並提出了避免發生低頻措施。使低相噪vco設計及調試能免於低頻干擾,從而有利於提高vco各項指標。
  19. For the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters. when the pressure increases, self - oscillation intensity will increase. by applying the self - oscillation generated by the resonance chamber to the heat exchanger, and when the self - oscillation intensity achieves a certain degree, heat transfer will be enhanced

    對于同一結構腔,水力參數不同,產生強弱也不相同,隨著壓力增加,強度也增加;將共腔產生引入換熱器后,當達到一定程度強度后,可以強化換熱。
  20. In terms of diagnostic analysis chiefly, including of lanczos filter, single value decomposition ( svd ), ceof, composite and correlation analysis etc., and numerical modeling, the temporal and spatial characteristics of the intraseasonal oscillation ( mjo ) of the air - sea system and the causes are investigated in this paper

    本文對海氣系統季內時空特徵及其成因作了氣候學研究。主要採用診斷方法( lanczos濾波、奇異值分解、復然正交函數分析、合成分析及相關分析等) ,並結合數值模擬。
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