periodic vibration 中文意思是什麼
periodic vibration
解釋
周期性震動-
Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。 -
The iterative learning control has been raised as a new control concept. by correcting the current control command using the previous system error data instead of the exact system parameters, iterative learning control can effectively suppress the vibration of the highly periodic system
迭代學習控制不需知道系統的具體動力學參數，只要系統運動具有一定周期性，它便能利用系統先前的控制經驗和輸出誤差來修正當前的控制信息，從而達到良好的控制效果。 -
Based on vibration principle, the paper establishes dynamics analysis model of output shaft with elastic support, according to fourer series spread principle of periodic function, the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations. the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1
依據振動理論建立了具有彈性支撐的輸出軸的動力學分析模型，根據周期函數的傅里葉級數展開原理，將復雜的激振力分解成為多個頻率成整倍數關系的簡諧激勵函數，導出了動態響應表達式，結果表明，當載荷分配不均勻系數為1 . 0時的輸出軸兩端支撐同步。 -
Periodic vibration ; turbulence ; scaling law ; hierarchical structure
周期性擾動湍流標度律層次結構 -
Random process theory is a kind of effective mathematical tool to handle random vibration problem. through frequency spectra and time domain analysis for random course, the seemed complex vibration time - history can be transferred to trigonometric function series, thus makes it have certain periodic feature
隨機過程是處理隨機振動問題的一種有效的數學工具，通過對隨機過程進行時域分析和頻譜分析，可以將看似非常復雜和毫無規律的隨機振動表示為三角函數的級數形式，從而使其具備了一定的周期性特徵。 -
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
基於流體動力學，通過對葉片流道內的流體模型應用動量定理，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周期響應規律，然後根據系統的相軌跡及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運動特徵。 -
According to faraday law on electromagnetic induction and the difference of the magnetic energy of ferromagnetic materials in their magnetization and demagnetization, it is clarified that the swing, vibration and periodic translational reciprocation of any object made of ferromagnetic material in geomagnetic field must cause spontaneous magnetization of the object itself
摘要依據法拉第電磁感應定律和鐵磁性物質在磁化一退磁過程中的能量差異，闡明了鐵磁性物體在地磁場中的擺動、振動和周期性往復平動都會引起該物體的自發磁化。 -
By studying the vibration signal characteristics in periodic loading machine system, vibration signal model including state equation and observed equation was constructed
通過研究周期性負載機械繫統振動信號的特點，構造了包括狀態方程和觀測方程的振動信號模型。 -
In this essay, the answer to natural frequency of vibration and periodic time will given in the response spectrum method
而本文是通過反應譜法，求解泵站的自振頻率、周期。 -
The linear periodic time - varying vibration system can be changed to a constant coefficient linear system by l tansformation
摘要線性周期時變齊次系統的狀態方程經李亞普諾夫變換后，周質系數線性時變振動系統轉化為一非齊次定常線性系統。 -
Quantization of the non - integrable ( chaotic ) systems of dcn vibration and henon - heiles potential were analyzed by the action integrals of periodic orbits
運用周期軌跡的作用量積分對dcn體系及henon - heiles體系的量子化問題進行研究。 -
Exciting results are obtained when the presented control algorithm are applied to the structural vibration with periodic and pseudo - periodic disturbances
此種方法，對于周期擾力及擬周期擾力激起的結構振動響應都有很好的控制效果。 -
According to the characteristics of the two - stage vibration isolation test - bed, the control system model is made, and a fuzzy controller is designed, and the fuzzy control rules for the active control are introduced, and the simulation investigation of the two - stage vibration isolation test - bed in the vertical is effective to periodic and diesel vibration signal
針對雙層隔振模擬試驗臺架的振動特點，建立了控制系統數學模型，設計了一種模糊控制器，提出適用於振動主動控制的模糊控制規則，進行了雙層隔振模擬實驗臺架垂直方向的模擬研究。 -
Supposing space - time wave is simple periodic vibration at speed
由上節所述時空波函數，設時空以波的形式沿x方向以速度 -
Quasi - periodic vibration
準周期振動 -
Nonlinear dynamic modeling and periodic vibration of a cantilever beam subjected to axial movement of basement
受軸向基礎激勵懸臂梁非線性動力學建模及周期振動 -
Identification of periodic component in the signal of aircraft flight vibration
飛機飛行振動信號中周期分量的識別 -
Based on the assumption of periodic rubbing force in rotor system, the rubbing forces onto each node of rotor system are estimated by modal expansion technique and the sub - harmonic decomposition of residual matrix between faulty and faulty - free vibration signals of rotor system through fft ( fast fourier transformation )
基於轉子系統碰摩力的周期性假設，利用模態擴展方法，對故障和健康轉子系統振動信號的殘差矩陣進行傅立葉級數的分頻諧波近似，估算得到轉子軸承各節點的碰摩力。 -
On the existence of periodic solutions for nonlinear vibration system
非線性振動系統周期解的存在性
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