非周期性運動 的英文怎麼說

中文拼音 [fēizhōuqīxìngyùndòng]
非周期性運動 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
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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. 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
  8. 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。
  9. On the basis of brief reviewing the progress of the researches about the relative fields at home and abroad, the system of economic sustainable development of huangling county was qualitatively analyzed in the thesis according to the life - cycle theory of products and industries, the theory of export guiding and the theory of economic sustainable development. and the method of systematic dynamics was applied in programming and mockingly regulating the ec onomic sustainable development of huangling, the best model for the economic sustainable development of county regions was discussed. and pointed out that the key to realizing the economic sustainable development of county regions was to suitably adjust the industrial structure, to transform the single structure into the multiple - levels and diversified structure and then to realize the recreation and substitution of advantages by developing coal industry and some non - coal industries such as agriculture and tourism that possess the regional advantages

    本論文在簡要回顧國內外相關領域研究進展的基礎上，依據產業和產品的生命周期理論、出口導向理論和經濟可持續發展理論，對黃陵縣域經濟可持續發展系統進行定性分析，並運用系統動力學方法對其進行規劃與模擬調控，探討了縣域經濟可持續發展的最優模式，指出實現縣域經濟可持續發展的關鍵是適時進行產業結構調整，由單一的結構向多元化、多層次轉變，通過發展煤炭產業和具有區域優勢的農業、旅遊等非煤產業實現優勢再造和優勢替代。
  10. 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。
  11. The judgement formula for high and low speed landslide and a new theory of stiffness - effect instability are presented for the instability of planar - sliding slope by the catastrophe theory. it is pointed out that the limit equilibrium stability analysis method of rigidity body has a lot of defects. the relationship between the action of outside environment and the response of slope system is complicatedly nonlinear according to the nonlinear dynamics model of slope evolution built

    針對斜坡平面滑動失穩問題，運用突變理論方法，給出了快速滑坡和慢速滑坡發生的判據，驗證了剛體極限平衡穩定性評價方法有較大缺陷；根據斜坡演化非線性動力學模型，發現斜坡演化過程會出現混沌現象，其通向混沌之路是通過倍周期分叉實現的。
  12. 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 。
  13. Based on the actual biology settling, kinesin moves along microtubule which is constructed from asymmetrical o and p protein subunits which array periodically, so the microtubule ' s structure is also asymmetrical and periodical. during the motion, kinesin ' s configuration changes in a dynamic - chemical period in which there are several dynamic - chemical states for the motor, and the transitions are random between state and state to a certain extent

    根據實際的生物背景，驅動蛋白沿微管作定向運動，構成這些微管的蛋白亞基順序排列，形成非對稱的周期性結構，且驅動蛋白在運動過程中構象發生了變化，在一個力學和化學循環中要經歷多個中間態，各個態之間的躍遷具有隨機性。
  14. Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained

    本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象，以機械最優化理論和有限元技術為基礎，首先對模切機肘桿機構建立數學模型，通過梯度法求解此非線性方程組，並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。
  15. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  16. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  17. ( 6 ) the relative motions of global plate tectonics are analyzed in detail with space geodetic and geological data. in addition, we find that the southern hemisphere is expanding and decelerating systematically, the northern hemisphere is compressing without a systematical change, and the whole earth is periodically fluctuating, which show global plate tectonic motion is asymmetrical

    （ 6 ）詳細地分析全球構造板塊相對運動，並揭示了南半球在減速膨脹，北半球在收縮（但沒有系統性地變化） ，且南北半球在周期性震蕩等，反映了全球構造運動具有非對稱性。
  18. On the other hand, every enterprise has its vitality, movement mode, life span and lifecycle. its growth is not linear and takes on regular cycle change during its long or short life

    另一方面，企業有著自身的活力、運動方式、壽命極限和生命周期，它的成長並非呈線性發展，在其或長或短的壽命中，呈現出有規律的周期性變化。
  19. 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。
  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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