相對周期運動 的英文怎麼說

中文拼音 [xiāngduìzhōuyùndòng]
相對周期運動 英文
relative periodic movement
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  • : 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...
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  1. 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土壤水分的影響,發現研究區土壤溫度除日和年變化外還存在6 30天的不同;下墊面的非均勻性及其季節變化及溫度梯度變化土壤水分有很大影響,冬季溫度梯度變化土壤含水量影響大於夏季溫度梯度上壤含水量變化的影響,且溫度梯度與水分方向反。
  2. The major semiaxis a and p of the relative orbital motion are known.

    我們知道其軌道的主要半長軸a和p。
  3. Abstract : the phase photograph of a simple pendulum is discussed. two methods of calculating the nonlinear pendulum period is given with the phase orbital properties and the action variation

    文摘:單擺圖作了必要的討論,賦予圖以直觀的幾何意義,並由單擺特性以及引入單擺系統作用變量兩種方法求出了單擺系統的
  4. The walking stability has direct relation to the gait of the robot, and whether the gait is nicer is vital to the stability. by researching of the walking habit of human being, we proceed the gait planning of biped walking robot, decide the single foot supporting and double feet supporting, and bring forward the principle of phase divided and divide a gait cycle into eight sub - phases. that guarantees the continuity, stability of the whole walking

    而步行穩定性與機器人的步態有著直接的關系,良好的步態步行機器人的穩定性來說又是至關重要的,通過人類步行習慣的研究,兩足步行機器人進行步態規劃,確定了步行機器人的單腳及雙腳支撐,提出了分的原則,並將一個步態分為八個子步,保證了過程的連續、平穩,並利用zmp理論步行機器人穩定性進行計算,給出靜態穩定步行的條件。
  5. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰互作用模型;使用性邊界條件以減小有限大格子空間帶來的系統誤差;用鏈節間互作用能、界面吸附能、體濃度和鏈長約束體系中的高分子的吸附行為;用末端轉、 l -翻轉、曲柄、蛇形和r - r切除-生長法模擬體系進行擾;用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  6. 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

    計算結果表明游過程中的形體阻力隨側向性擺而增大;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吻合;在實驗觀測的典型參數下,波面的方程中的非稱因素的出現使推進力增大約1 . 10倍。
  7. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計結合的抗差譜分析方法,並用該方法分析了地心時間序列的主要特性;為合理地確定地心參數,詳細研究與分析了一種新的定權方法求解地心參數的作用,該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性;為了明確地心導致的高程基準的變化,分析了地心地面點的水平分量和垂直分量的影響規律。
  8. Regards as the major part of international trade, intra - industry trade is going to be the tendency of the foreign trade with the growing of economy. through the analyze of various beneficial results together with the growth in intra - industry trade and the change in industrial structure, this thesis uses the theories concerned with intra - industry trade, including economies of scale, imperfect competition, product differentiation, product - cycle hypothesis, etc. ; point out the tendency of international trade ; and show the possibility and essentiality of the development of intra - industry, in our country

    本文通過產業內貿易各種經濟福利效應的分析,結合我國產業內貿易的發展,以及產業結構的變化,用產業內貿易中的關理論,包括規模收益遞增理論、不完全競爭理論、產品的差異化理論、產品生命理論等等,指出產業內貿易是我國國際貿易發展的方向,同時也我國產業結構的升級起著一定的推作用,從而說明我國發展產業內貿易的可能性和必要性。
  9. The major semiaxis a and p of the relative orbital motion are known

    我們知道其軌道的主要半長軸a和p 。
  10. 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

    然後針偏置量飛輪系統,基於經典控制理論設計俯仰通道的pid控制律,根據滾?偏航通道耦合的特點,分別討論了由軌道角頻率和章頻率引起的長和短。其中長控制律設計時,結合了噴氣推力控制來輔助偏置量控制;短控制中,為了解決不能獲得角速度信號的問題,採用terasaki提出的非最小位控制器進行控制。
  11. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其行費用最低的最優控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的行費用也大不同,進而提出了最優初始狀態下最優控制的新概念,這保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  12. 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互交錯現象,失穩模式參數的敏感性,一段時間混沌振蕩后的無界現象(稱為預無界混池) ,由經一連串倍分岔直至混濁等。這些現象理論研究與工程實踐都具有重要意義。
  13. Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system

    基於流體力學,通過葉片流道內的流體模型應用量定理,得到此汽流激振力模型,並採用四階龍格庫塔法,得出了單盤彈性轉子系統的響應規律,然後根據系統的軌跡及poincare映射圖,分析了系統在特定轉速及特定的轉子系統參數下的特徵。
  14. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所覆蓋的論題包括:狹義論、媒質的電力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、結構中的電磁波:光子晶體和負折射率。
  15. The differences in orbital morphologies due to different potentials is slighting, however, given a certain potential, for clusters that have perigalactic distance smaller than 1 kpc, some orbits may exhibit a chaotic behavior. the correlation between the metallicity of samples and the orbital morphologies is unclearly ; ( 4 ) it is found that the semi - major axis, apogalactic distance and azimuth period of 29 sample clusters are changed with their metallicity similarly, but a obvious correlation is seen between orbital eccentricity and metallicity. there is a fraction of 24 % of the sample clusters with eccentricities lower than 0. 4

    不同的引力勢模型球狀星團軌道的具體形態影響不大,在給定的引力勢模型下,當某些星團的軌道穿越距銀心1kpc附近的區域時會出現「混沌」現象: ( 4 ) 29個樣本星團的軌道半長軸、遠銀心距和方位隨金屬度的變化規律基本似,樣本星團的金屬度與其軌道形態之間的關性並不明顯,然而軌道偏心率與金屬度有關,于所選的暈族樣本星團而言,大約有24的樣本星團的軌道偏心率低於0 . 4 。
  16. 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

    通過平面分析的方法分析了當驅臂施加非驅的影響,其結論為通過調整驅的幅度及極性,可以使非驅臂沿著圍繞平衡點2的極限環軌跡。在此基礎上,提出衰減因子的概念,通過衰減因子調整驅臂擾的幅度和,使非驅臂能夠穩定在平衡點2 。
  17. At last, this paper analyzed the influence of the inversive receiver to the chracteristic of the clutter and the ratio of signal power and the noise power, discussed the effective detection of target signal in correlated clutter, and then put forward a new method naming multi - periods shift accumulation for detecting moving target when not knowing the exact movement parameter

    最後,本文分析了倒置接收目標回波信噪比及雜波特性的影響,討論了在關雜波區回波信號有效檢測的方法。針如何在彈目參數未知的條件下高速目標進行積累檢測這一問題,提出了一種多移位積累的新方法。
  18. 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力學微分方程,並應用含高階余項的非線性力方程的線性化數值法研究了此類系統響應的復雜力學行為,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、軌線、軸心軌跡、幅值譜等圖形分析了系統響應的、擬、倍分岔、混沌等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碰摩故障轉子系統的分岔和混沌行為的影響。
  19. 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力穩定性,並與關的文獻作出比較,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力穩定性,得到了一組具有系數的非線性微分方程組,且利用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轉子系統力穩定性的影響。
  20. The period - doubling solution in the nonplanar cantilever is also found. for the planar cantilever, the period - three, period - multiplying, quasi - periodic motions are showed. the transfer from period - three motion to chaotic motion and the transfer from quasi - period motion to chaotic motion are given by the numerical simulation

    于平面懸臂梁還發現了三倍,多倍,概,以及三倍和混沌之間的互轉化,概和混沌之間的互轉化。
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