振動周期 的英文怎麼說

中文拼音 [zhèndòngzhōuqī]
振動周期 英文
complete time of oscillation
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 期 : 期名詞[書面語]1. （一周年） a full year; anniversary 2. （一整月） a full month
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. The stiff floor structure has bigger displacement and smaller internal forces. under seismic forces, frame with eiastic fioor has bigger vibration period, and takes on complicated modes of vibration. due to the big vertical rotation, structure with elastic floor shows more prominently coupling vibration of bending rotating and twisting

    如，彈性樓板的結構位移比剛性樓板結構的位移大，內力也是彈性樓板結構的大；在地震力作用下，考慮彈性樓板變形的空間框架振動周期比剛性樓板框架長，而且其振型表現得也比較復雜，由於豎向扭轉位移較大，彈性樓板結構表現出更明顯的彎扭耦聯振動。
  2. The harmonic oscillator is an exceptionally important example of periodic motion.

    諧振子在周期運動中是特別重要的。
  3. Thirdly, we consider the n - dimensional duffing type equation with damping term. by virtue of homeomorphism, extension and fixed point method, we discuss the existence of periodic solution under the nonresonance condition

    再次，我們考慮n維的帶有阻尼項的duffing型方程，運用同胚延拓及不動點方法，討論了非共振條件下周期解的存在性問題。
  4. The period of these torsional oscillations depended on the rotational inertia of the helium ; the oscillations occurred more rapidly when the inertia went down, just as if the mass of the helium decreased

    這種扭轉振?的周期取決于氦的轉動慣量，轉動慣量減少時振?加快，看起來好像是氦的質量減少了。
  5. 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

    該振蕩波有下述特徵： （ 1 ）振蕩周期較長，多數在30 ? 120s范圍，故稱慢波振蕩； （ 2 ）振蕩幅度較大，其isi振蕩最小值在zms左右，最大值可達40ms ，表明放電頻率可在幾十到幾百k范圍內變動； （ 3 ）在isi連續變化過程中往往出現突然轉折，暫稱其為拐點。
  6. A vibration period tends to decrease or remain constant as energy is lost, as is the case for a pendulum.

    在損失能量時，振動周期傾向于減小或保持不變，如同單擺那樣。
  7. The wave length of infra - sound is quite long : typical infra - sound from the eye of a typhoon has a 4 to 8 second cycle 0. 25 to 0. 125 hz, meaning that its wavelength is a few kilo - metres long

    次聲波的波長很長，例如臺臺風眼所產生的次聲振動周期約秒0 . 250 . 125赫茲，波長便可達數公里。
  8. The effect of opening and closing of joints will weaken the integral stiffness of arch dams, prolong their vibration periods and remarkably readjusting of stresses

    橫縫張合效應將削弱大壩的整體剛度、延長其振動周期、引起顯著的應力重分配。
  9. The anti - rolling tanks have three types including passive anti - rolling, controlled passively anti - rolling tank and active anti - rolling tank. the controlled passively anti - rolling tank has high performance, and it can adjust the water oscillation period through the valves in the upper of side tank in order to adapt the roll period. thus the controlled passively anti - rolling has favorable effect in the any states

    其中，可控被動式減搖水艙是一種高效能的減搖水艙，它可以通過自動控制系統調節邊艙頂部的氣閥開關來調節水艙內水流振蕩周期，以適應經常變化的橫搖周期，保證在任何海浪作用下水艙都具有良好的減搖效果。
  10. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型，得出方程單調行波解存在，並將波速c r分成若干個區間，得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。
  11. The mechanism is divided into finite elements and researched by ked method. then kinematic differential equations are established for each element and the general kinematic differential equations are built through assembling all the elements. a closed numerical method based on the mode superposition principle is employed to solve the equations

    將四連桿機構劃分為多個有限單元，建立其單元運動微分方程和系統運動微分方程，運用實振型疊加法的閉式演算法求出機構在一個運動周期中各個廣義坐標方向的彈性位移，同時求出機構不同位置時各構件上動應力分佈情況、機構前四階振型變化情況。
  12. A study of motion periods of two nonlinear elastic springs

    兩類非線性彈簧振動周期的研究
  13. Non - linear circuit vibrate - periodie bifurcation and chaos phenomenon

    非線性電路振動周期的分岔與混沌現象
  14. Approximate analytical periods to oscillations of a spherical gas bubble in an ideal incompressible fluid

    理想不可壓流體中氣泡非線性振動周期的解析逼近
  15. So it is the next work to search the variances periodicity and its response to global climate change in order to forecast future

    尋找方差的振動周期和對全球氣候變化的響應，對未來進行預測，是需要進一步研究的內容。
  16. The analytical results show that : the vibration period of the truss is short, and the stiffness is between the equivalent frame and shear wall structure stiffness

    分析結果表明，該結構體系的振動周期較小，結構整體剛度較大，介於相同條件的框架和剪力墻之間。
  17. 5 the technical route of using fuzzy control for control of vibration cycle is put forward, and a fuzzy controller whose parameters can be optimized on line is designed

    5 、提出了振動周期控制採用模糊控制的技術路線，設計了參數因子在線自整定的模糊控制器。
  18. A new kind of physics experimental instrument of forced vibration and resonance is introduced, conducting research of the relationship between vibration period and to arms of prong

    摘要介紹了新型音叉受迫振動與共振實驗儀。通過音叉雙臂與振動周期關系的研究，可以深入理解振動式液體密度傳感器的原理及其應用。
  19. D 、 the seismic response of jointless bridge were examined by spectrum analysis as well as transient dynamic analysis. e 、 the modes of a whole concrete model of jointless bridge by modes test, at the same time, the accuracy of finite element modeling and analysis was proved by it

    5 、對無伸縮縫橋按比例縮放的全橋模型進行實驗，測出結構的動力特性（固有頻率、振型、周期等） ，驗證有限元建模和分析的精確度
  20. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下，並考慮風荷載組合，分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系，通過改變結構參數，運用空間有限元方法，進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ，以及「構件內力」 。結果表明:在等面積原則下，異型柱代換矩形柱后，結構剛度增大，側向位移明顯減小，地震反應力略有增加，框架柱軸壓比最大增幅小於8 % ，結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時，結構有利於抗震;水平地震作用力與整體坐標夾角為0度時，結構地震作用效應較大，屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐，側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小，構件內力增大適中，是一種抗震性能優越的結構體系:在抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（ m類場地） ，採用異型柱結構體系時，應盡可能減輕結構自重，降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算，兩種方法所得結果基本一致。
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