振蕩現象 的英文怎麼說

中文拼音 [zhèndàngxiànxiàng]
振蕩現象 英文
oscillating phenomenon
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 蕩 : 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...
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 現象 : appearance （of things）; phenomenon
  1. Here a low cost optimal position system with speed - loop open and position - loop closed based on fuzzy control is presented, it employs fuzzy controller to verdict rotor velocity approximately and a fuzzy switching curve is substituted for real one to achieve bang - bang switch, no limit - loop or oscillation occurs. at the end of this chapter, a dc break curve is discussed

    為了實現經濟實用的點對點快速定位系統，實際系統採用速度開環、位置閉環結構，速度量從模糊控制器得到，既不實測也不軟體估計，用模糊開關線代替真實開關線進行控制量狀態切換，無極限環或振蕩現象，而成本則大大降低。
  2. We have observed and recorded the relaxation oscillation of double - clad ytterbium - doped fiber laser by a digital oscillograph. the relaxation oscillation frequency is 20. 0khz

    我們使用示波器觀察並記錄了雙包層摻鐿光纖激光器的弛豫振蕩現象，得到弛豫振蕩頻率為20 . 0khz 。
  3. Cell analysis is not only the cut - in point of study on the life process, but also the key subset in modern analytical chemistry

    無論是活性酶體系，線粒體體系還是細胞體系都存在許多自組織的時空振蕩現象。
  4. Two controlled bifurcation diagrams verses feedback strength are obtained respectively. it is found that the value of critical feedback strength is increased linearly as the coupled strength is increased linearly. the cml with sf loses synchronization and intermittency occurs if control strength is greater than the critical feedback strength

    對于時延反饋控制，臨界反饋控制值線性地隨著耦合映象格子的耦合強度的線性增長而增大;當控制強度大於臨界反饋控制值時，具有無標度拓撲結構的耦合映象格子系統會失去同步狀態進而出現間歇振蕩現象。
  5. Furthermore, the fiber phase - conjugator has been used in ld - pumped solid - state laser system with four - pass configuration to suppress the self - oscillating ( so ) phenomena caused by amplified spontaneous emitting ( ase ) in laser amplifier. when using 200 m fiber, the energy of so has been successfully decreased from 12mj to below the precision of energy - detector

    將光纖相位共軛鏡應用於四通放大結構中，有效抑制了放大級中的放大自發輻射引起的自激振蕩現象，使得自激振蕩輸出能量從12mj降低到能量計最小精度以下。
  6. Q - switching test of e - o modulator was carried out, the results displayed regular rectangular optical pulse figuration without any acoustic ringing, the leading and trailing edges is 5 ns

    製作的電光開關的光斬波實驗，結果顯示出正常的矩形開關光脈沖，上升和下降沿都是5ns ，看不出任何振蕩現象。
  7. In the fuzzy control method, a pi fuzzy control with nested control table is studied. experimental results show that the static error and the oscillation can be reduced

    在模糊控制研究中，提出採用pi型及模糊控製表嵌套控制方法，基本上消除了常規模糊控制存在的靜差和振蕩現象。
  8. In detail, the major work that have been done are as follows : l. irradiated by the 1. 06 m 1. 319 m 3. 8 m laser respectively, when the incident laser power density is between the saturation threshold and the damage threshold, the vibrating phenomenon and the zero - output phenomenon can be seen in the pv - type detectors " response curve

    論文的主要工作有： 1分別用波長為1 . 06 m 、 1 . 319 m 、 3 . 8 m的激光輻照光伏型（ pv ） hgcdte探測器，實驗發現，當輻照激光的功率密度大於其飽和閾值而小於其破壞閾值時，探測器的輸出存在「振蕩現象」和「零壓輸出現象」 。
  9. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在激波計算中的區域分解法，即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置，再在激波附近小范圍內，用低階格式及人工壓縮方法以消除彌散效應.在激波區域外，應用高精度格式，減少了過超振蕩現象，提高了解析度.在各區域交界應用全能穩定聯接格式，解決了格式的耦合穩定問題.最後舉出數值計算實例，計算結果與理論分析符合
  10. 5. in the research, the control system appear the lose steady, how make sure the d / a of the synchronous controller and correction of the system parameter, put forward a kind of method

    5 .研製過程中出現控制失穩，系統出現振蕩現象，對如何確定同步控制器的d / a與系統參數的修正，提出了一種方法。
  11. Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data

    由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支，該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討，並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。
  12. 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轉化為單一流體計算，數值計算通過解流體動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振蕩現象的差分格式，前面提到的兩種格式只是其中效果比較好的格式。
  13. The nonlinear pid ca n ' t fit the change of the reaction. the feed forward control base on model also ca n ' t fit the change of ph value and flux of the original water. so the control method ca n ' t get a good result

    Pid控制演算法也無法對反應的變化過程做快速的、精確的反應，在控制過程中很容易引起振蕩現象，很難對系統實現最優控制。
  14. The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method

    開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作；閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值；為解決低速振蕩現象，本文運用固定增量法，對系統進行低速振蕩微調。
  15. In the fifth chapter, we apply the multiplicity and oscillation to design the bioreactor

    第五章研究運用系統中出現的多穩態和振蕩現象設計生化反應器。
  16. Moreover, utilizing multiplicity and oscillation, we design bioreactors and build the models base on two bioreactors in series. the system that we design decreases the residual substrate concentration and increases the product concentration, yield and productivity

    在此基礎上，運用實驗過程中出現的多穩態和振蕩現象設計生化反應器，建立了兩個反應器串聯模型，達到了降低底物殘余濃度，提高產物濃度、產率和生產強度的目的。
  17. How to define the parameters of the generator to eliminate the oscillation is a very important project

    如何合理選取電機的參數、避免振蕩現象的出現是一個非常重要的課題。
  18. And the fuzzy system also have the special regular to eliminate the domain - swing between some special phenomenon

    同時在設計控制規則時，針對九區圖特殊的幾個區域之間的振蕩現象，制定了相應的規則用來避免振蕩。
  19. Some experimental study on the vibrating phenomenon has been done primarily. we conclude that the output of laser is stable and the reason of vibrating phenomenon is n ' t the unstable incident laser

    初步對「振蕩現象」進行了實驗研究，認為光電探測器的輸出存在振蕩現象並不是由於激光器出光功率不穩定引起的。
  20. As for the nonlinear problem, the predictor - corrector algorithm, which possess 2nd precision of numerical results, is presented. the application of adaptive pti method is also given

    數值算例表明，精細積分方法有效池避兔了常規方法的數值振蕩現象，具有較高的計算精度，對于非線性熱傳導問題也民有良好的精度。
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