非周期運動 的英文怎麼說

中文拼音 [fēizhōuqīyùndòng]
非周期運動 英文
aperiodic motion
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 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
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. Such aperiodic motions are not quantized.

    這種非周期性的運動不是量子化的。
  2. 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。
  3. There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data

    （ 2 ）根據土壤溫濕資料，採用功率譜分析、 pca分析等方法，分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響，發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期；下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響，冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響，且溫度梯度與水分運動方向相反。
  4. Since these theoretical analyses are based on inviscid potential flow theory, theoretical calculation and computational simulation may complement each other. the hydrodynamics and undulating propulsion of specimens were studied using three dimensional computational fluid dynamics ( cfd ) modeling. the cfd analysis using kinematic model of undulatory dorsal / median fin draws a series of conclusions, which include that the body drag increases significantly with the lateral body oscillation ; the body drag is minimum while the start point of

    計算結果表明游動過程中的形體阻力隨側向周期性擺動而增大;當背鰭前端位於身體側向最寬處時，形體阻力具有局部最小值，結論與實驗觀測結果相吻合;在實驗觀測的典型運動參數下，波動面的運動方程中的非對稱因素的出現使推進力增大約1 . 10倍。
  5. Based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc. there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave

    本文首先對于研究的意義和國內外研究的現狀做了簡要的介紹，再從某工程背景出發，通過對e3發動機高壓渦輪內流場的數值模擬，研究了干涉的周期性的問題，以及渦輪級內常見的非定常現象：激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導向器尾緣會出現兩道激波，在吸力面的激波可稱為「運動」激波，壓力面的激波可稱為「定常」激波。
  6. We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit

    摘要本文考慮作為衛星繞橢圓軌道做周期運動模型的一個非線性微分方程的周期邊值問題。
  7. Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used

    然後針對偏置動量飛輪系統，基於經典控制理論設計俯仰通道的pid控制律，根據滾動?偏航通道耦合的特點，分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時，結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中，為了解決不能獲得角速度信號的問題，採用terasaki提出的非最小相位控制器進行控制。
  8. Periodic and homoclinic motions in coupled, nonlinear oscillators

    耦合的非線性振動子的周期運動和同宿運動
  9. These research also approve some inherent phenomena in nonlinear systems such as the interleaving of stability region and instability region, the parameter sensibility of the instable modes, divergence after a relatively long time of chaotic swings ( transient chaos ), a cascade of period double bifurcations to chaos and etc. these phenomena are of great importance to both theoretical research and engineering practice

    研究還證實了一些非線性系統所特有的現象，如穩定域和不穩定域的相互交錯現象，失穩模式對參數的敏感性，一段時間混沌振蕩后的無界現象（稱為預無界混池） ，由周期運動經一連串倍周期分岔直至混濁等。這些現象對理論研究與工程實踐都具有重要意義。
  10. Compared with the traditional curve - based method, this method can calculate the currents with high accuracy and little user effort. it can automatically calculate the periodic components of varying short circuit currents at anytime, and the aperiodic components of the symmetric short circuit currents

    該計算機演算法大大減輕了傳統運算曲線演算法的工作量，且具有較高的準確度，能夠自動完成系統短路時任意時刻電流衰減周期分量的求解，及對稱短路時短路電流非周期分量的求解。
  11. " we found that people who were active during mid - life and had leisure activities at least two times per week had a much lower risk for dementia, especially alzheimer ' s disease, " she explained. walking and cycling were the most common forms of exercise in the study

    對此，基維佩爾托博士解釋說，我們發現那些在中年時期非常活躍且每周至少進行兩次休閑運動的人，其患癡呆癥，尤其是阿爾茨海默癥的危險要小很多。
  12. The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis. this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads

    本文提出的新方法可以保證獲得斜浪中船舶非線性運動的穩定的周期解，從而進一步完善了斜浪中船舶非線性運動預報和波浪載荷計算的工程實用方法。
  13. Then the behavior of the free joint when we bring the periodic perturbation through controlling the actuated joint is analysed, we can find in the result that the behavior of the free joint in the phase plane follows an ordered closed trajectory with the center equilibrium point + 2 in the case where the amplitude of the input is small, we can define a weakening factor to make the position of the free joint reach the center equilibrium point + 2

    通過相平面分析的方法分析了當驅動臂施加周期擾動對非驅動臂運動的影響，其結論為通過調整驅動臂周期擾動的幅度及極性，可以使非驅動臂沿著圍繞平衡點2的極限環軌跡運動。在此基礎上，提出衰減因子的概念，通過衰減因子調整驅動臂擾動的幅度和周期，使非驅動臂能夠穩定在平衡點2 。
  14. The results show that there exists such nonlinear dynamical phenomena as chaos ang quasi - period movement when the rotational speed, mass eccentric and a synthesizing parameter of the system change. from different point of view, the chaotical phenomenen induced by double period bifurcation is found. in this paper, the dynamical model of bearing - elastical rotor with a cross - section of crack is estabilished

    結果表明，在這一非穩態油膜力模型下，在轉速、無量綱偏心及一包含諸多因素的綜合參數的變化過程中，在很大的范圍內，系統運動都會出現由不斷倍周期分岔導致的混沌現象和概周期運動。
  15. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    （ 2 ）建立了具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學微分方程，並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為，利用轉子響應的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響應的周期運動、擬周期運動、倍周期分岔、混沌等運動形式的轉化與演變過程，重點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  16. In the latter, the non - linear dynamic stabilities of the single rotor system with a crack are researched. the non - linear differential equ ations have periodic coefficients. and using the stability theory of the periodic motion, it is discussed that the thickness of the disk, the position of the disk and the position of the crack have effects on the dynamic stabilities

    首先簡單討論了含裂紋的單盤轉子系統的線性動力穩定性，並與相關的文獻作出比較，驗證了等效線彈簧模型的正確性和精確性；然後，討論了含裂紋的單盤轉子系統的非線性動力穩定性，得到了一組具有周期系數的非線性微分方程組，且利用周期運動的穩定性理論進行了求解，深入討論了盤的厚度，盤所處的位置和裂紋所處的位置對轉子系統動力穩定性的影響。
  17. The method of change partial differential equation into ordinary differential equation is classified, the bifurcation and chaos in nonlinear schrodinger system is detected and the effectiveness of controlling chaos of buckling beam with parametric perturbation method is studied in details. chapter 7 is the summary and conclusion of the dissertation

    第六章總結歸納了將非線性偏微分方程轉化為常微分方程的變換法，研究了一維無界區域上非線性薛定諤方程的分岔和混沌性質，解析地研究了用參數周期擾動法控制屈曲梁的混沌運動的效果。
  18. Table tennis movement is a non - periodic speed endurance project

    摘要乒乓球運動是非周期速度耐力性項目。
  19. It is showed by the results that, the rotor has different dynamics with respect to present results obtained by other researchers while the rotor is subjected to internal damping, nonlinear oil film forces and nonlinear elastic forces simultaneously. with increase of the rotary speed the rotor, quasi. periodic movement caused by internal damping will occur

    發現當轉子通過油膜失穩進入倍周期運動時，由於非線性內阻力作用，還會發生概周期分岔形式的二次分岔，產生約1 / 6倍工頻的低頻運動。
  20. It is an unperiod and an irregular course. it is not convergence but dose have a bound, while it is sensitive to its initial value. for all these special performance, chaos has a excellent outlook in the application of telecommunication, especially in the generation of pn sequence

    混沌現象是在非線性動態系統中出現的確定性的，類似隨機的過程，這種過程非周期，是一種貌似無規則的運動，不收斂但有界，且對初值具有及其敏感的依賴性，這些獨具特色的性質使得混沌在通信應用領域尤其在偽隨機碼的產生方面有著很好的應用前景。
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