波動現象 的英文怎麼說

中文拼音 [bōdòngxiànxiàng]
波動現象 英文
wave phenomenon
  • 波 : 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...
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 波動 : 1 （不穩定） undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave （motion）; wave...
  • 現象 : appearance （of things）; phenomenon
  1. Light is assumed to be a wave phenomenon.

    假設光是一種波動現象。
  2. The compressibility of the chamber gases or feed line liquids allow for the existence of wave motions.

    室內氣體或供應管道液體的可壓縮性可以使波動現象存在。
  3. These three basic rules are used to explain and understand the phenomena and the reason of fluctuation in the modern stock market

    用這三個基本規律來解釋和認識現代股市中的波動現象和波動的原因。
  4. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  5. Simulating random movement of sea wave in the wave basin and making researchs into the action of sea wave on coastal and offshore structures could provide the reliable basis for engineering design and scientific experimentation

    在實驗水池中模擬海上多向不規則波浪的隨機運動現象，進而研究波浪對海洋工程與港口建築物的作用，可為工程設計與科學實驗提供可靠的依據。
  6. This dissertation makes a deep analysis on the factors, forms and developing laws of the management fluctuation phenomena and management crisis phenomena in the venture capital process

    論文對風險投資管理過程中的管理波動現象和管理危機現象的成因、形式及演化規律作了深入分析。
  7. The theory analysis and experimental results show that the algorithm not only effectively keeps population diversity, but also alleviates the undulate phenomenon in evolutionary latter stages meanwhile increases the convergent speed greatly

    理論分析和模擬結果表明，該演算法不僅能夠有效地保持群體多樣性，而且減輕了遺傳演算法的後期波動現象，同時收斂速度明顯提高。
  8. But for a variety of reasons, the peasants " material interests are frequently damaged, whose protection and realization assume a fluctuating phenomenon in the process of the spiral ascending, that is, totally they develop increasingly, but they are sometimes good and sometimes bad in the different historic periods, so the protection of the peasants " material interests has been in a unstable situation all along

    但是，由於種種原因，農民物質利益也時常受到損害，其保護和實現在螺旋式上升的進程中呈現出一種波動現象，即在總體上雖日益發展，但不同的歷史時期仍表現為時好時壞，農民物質利益的保護一直處于不穩定狀態。
  9. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。
  10. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明：在某些頻率范圍內相關水動力系數基本不隨吃水變化，只有超過某一頻率后水動力系數的值才會出現差異；在橫搖方向，水動力系數並沒有隨著吃水的變化發生規則變化，而是出現了波動現象；近船首剖面的水動力系數計算表明，水動力系數的波動非常大，並遠遠偏離了平均位置的水動力系數值，值的變化速率也不盡相同，總的看來，上振幅曲線曲率較大，變化較快，下振幅曲線曲率較小，變化較慢；外飄力和波面運動的速度的平方項有關，導致其振動頻率和相應運動方向的頻率不同；外飄力使升沉向下運動的幅值減小；船速對三個計算量的峰值影響甚微，但對振動頻率有明顯影響；波幅對船舶運動的影響是明顯的，船舶運動的幅值基本上和波幅成線性關系。
  11. The compensator compensates the change of polarized light, and also controls the polarized orientation. in result, we get a cavity, with the orientations of the linear polarized multi - longitudinal modes are agree. the noise of green output reducing, the cavity is steady with multi - longitudinal modes operating

    本文首次將nd ： yvo _ 4晶體應用於抑制激光噪聲的補償片法中，利用nd ： yvo _ 4晶體的線偏振特性，控制諧振腔內激光束的偏振方向，使多縱模均為線偏振，且偏振方向一致，從而減少了綠光輸出中的波動現象。
  12. Like macroeconomic, the development of real estate industry also shows a phenomenon of periodic fluctuation

    與宏觀經濟運行過程的周期波動一樣，房地產業在發展過程中也客觀存在著周期波動現象。
  13. However, as for macro - economy, the development of the real estate industry also shows a phenomenon of periodic fluctuation

    然而與宏觀經濟運行過程的周期波動一樣，房地產業在發展過程中也客觀存在著周期波動現象。
  14. The series 2300 is recommended where city water pressure is to be reduced to supply plumbing fixtures to prevent violent pressure fluctuations

    這個系列2300被推薦用於打算將城市水壓降低以供應衛生潔具，避免出現猛烈的壓力波動現象。
  15. The application results show that anti - disturbance ability has been improved, and its fluctuation has been controlled effectively

    應用結果表明，集氣管壓力系統的抗干擾能力得以提高，其波動現象得到有效控制。
  16. The obvious periodical fluctuating phenomenon exists in practical economy operation of real estate industry, which is the same with other industrial economy

    摘要與其他產業經濟一樣，房地產業在實際經濟運行中也存在著較為明顯的周期波動現象。
  17. Small 3 this world can appear sometimes fluctuant phenomenon, cross 4 weeks to check again later, listen even at the same time ( liver ill division ) opinion ability of the doctor is affirmatory

    小三陽有時會出現波動現象，過4周以後再次復查，同時還要聽（肝病科）醫生的意見才能確定。
  18. First in this paper, the control methods of electric actuators was studied and analyzed. the retangcle - wave permanent magnet brush - less motor is used for servo - motor, the reason of its torque ripple and the way to eliminating or suppession is analyzed and elaborated. in order to achieved wide - speed range, the method of variable structure control ( vss ) was used.,

    論文分析了飛機電力作動系統的基本要求，選用方波直流無刷電機作為執行電機，採用重疊換向法、變結構控制策略和轉速、電流雙閉環pid控制方案，很好地解決了其固有的低速轉矩脈動現象，達到調速范圍寬、轉矩脈動小的設計要求。
  19. It was observed from the inverse kinematics simulation results that the position, accelerate and velocity minimum - norm solution of joint 1, 3, 7 of the manipulator were controllable with no abnormal fluctuates, which satisfy the motion requirements. however, the position, the accelerate and the velocity of joint 2, 4, 5, 6 of the manipulator varied with time irregularly with high efficiency during the simulation time t = 4. 7197s ~ 5s, which would make the joint uncontrollable and result in the vibration of the manipulator system, hence the kinematic performance of manipulator should be improved

    逆運動學模擬結果表明，關節1 、 3 、 7速度最小范數解、位置與加速度均滿足運動要求，無異常波動現象，能夠實現控制；而關節2 、 4 、 5 、 6速度在模擬時間t = [ 4 . 7197s ， 5s ]時速度、位置和加速度出現異常振蕩，關節運動失控，從而引起系統振動，其運動性能需進一步改進。
  20. In the second experiment, the topography stirred waves in a to - and - fro current is simulated, in which the rough relationship of the stirred waves and the topography is made out, a phenomenon of high frequency instability and breaking of surface on curtain condition is detected and analyzed

    另一項實驗是借用地形的往復運動產生的波動，模擬往復流中由地形激發的波動現象，找到了往復流地形波與往復頻率和地形高度之間的初步關系，發現了由地形引起的高頻不穩定和破碎現象並給出了初步的解釋。
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