multiple excitation 中文意思是什麼

multiple excitation 解釋
多次激發
  • multiple : adj 1 多重的；復合的 復式的 多數的 多樣的。2 倍數的 倍。3 【電學】並聯的；多路的 復接的。4 【植物...
  • excitation : n. 1. 刺激，興奮，激發，鼓舞。2. 【物理學】激發；【電學】激勵、勵磁。3. 【植物；植物學】激感（現象）。
  1. In this paper, dynamic stability of parametrically excited flexible cam - follower system on the weakly nonlinear condition is investigated by using the combination of both the method of multiple scales and the technique of fourier series expansion. the equations of approximate transition curves in the plane of the dimensionless frequency and excitation ( amplitude ) parameter that separate stable from unstable solution are derived

    隨后，本文採用多尺度法並結合fourier級數展開，分析了不同的凸輪從動件運動規律和不同的凸輪的升程、停程以及回程的時間分配規律下，無間隙的周期時變凸輪系統模型的穩定性，獲得了各種規律下的凸輪系統的穩定區間圖。
  2. The pseudo excitation method ( pem ) has brocken its efficiency - bottleneck, and appears to be quite effective in coping with such multiple excitation random analyses. therefore introducing the random vibration approach into the bridge engineering as a tool of seismic designs not only meets the objective requirement and the modem technological development, a good methodology background is also available

    虛擬激勵演算法突破了計算效率瓶頸，並且易於處理多點激勵問題。因此，將隨機振動法作為一種新的橋梁抗震設計方法引入我國橋梁工程界不僅符合客觀需求，體現了設計水平的現代發展趨勢；而且在方法論上也有了比較有利的條件。
  3. Multiple activation is that several piezodielectric ceramics are used as excitation sources, the neighboring piezoelectric discs used as sensors to record the propagating waves, and one piezodielectric ceramic act as both excitation source and response source, which can be used alternatively to form multipoint excitations and multipoint responses

    多激勵是指用多個壓電陶瓷做為激勵源，而且每一個壓電陶瓷都可以同時作為激勵和響應，可以輪換使用，因此是多點激勵，多點響應。
  4. The method of multiple scales is used to determine the equations of modulation of amplitude and phase. the steady state response can be obtained by solving a couple of algebraic equations, which have been achieved by careful deduction under some conditions. and because of the complexity of the equations, programs are necessary to solve the equations mentioned above, and certain graphs are presented. based on chapter two, in chapter three, the method of multiple scales is introduced to the study of the multiple - dimensional nonlinear stochastic systems under random external excitation

    在第二章基礎上，第三章將多尺度法引入到相應的隨機系統的研究中；嚴格推導了系統的約簡方程，用矩方法求出穩態解應滿足的方程，獲得一些結果；並且數值模擬結果與理論推導的結果是一致的；並注意到，與其對應的確定性系統相比較，系統響應從周期解變為近似周期解，系統的相軌線從極限環變為擴大的近似極限環；隨著激勵帶寬的增大，此擴大的近似極限環的寬度將增大。
  5. Firstly, the multiple modes and dispersion nature of ultrasonic lamb wave are investigated in theory. furthermore, optimization of excitation signal is performed experimentally with the four parameters : the transport mode, the center frequency, the amplitude and the number of the wave ’ s peak value

    本文首先從理論上分析lamb波的多模式和頻散現象，在理論基礎上結合實驗在傳播模式、中心頻率、信號幅值、波峰數等幾個方面對lamb波進行優化。
  6. Pseudo excitation method ( pem ) is used, thus one random process excitation can be transformed into a deterministic transient excitation, so the joint - random problem is turned into a single - random problem accurately, it can be solved easily by means of perturbation method and sequence orthogonal decomposition theory respectively. the probabilistic approach is used to transform stochastic optimization into deterministic optimization, therefore the optimization can be achieved through multiple objective decision making theory

    以虛擬激勵法為基礎，將隨機過程激勵轉化為確定性動力激勵，從而將復合隨機問題精確地轉化為僅結構參數具有隨機性的問題，分別利用攝動理論和次序正交分解理論推導了確定性動力激勵下隨機結構響應特徵，採用概率方法將隨機優化問題轉化為確定性優化問題，從而可以通過多目標決策理論進行結構優化設計。
  7. In chapter 4 windowed function of data signal processing is introduced and applied to addition theorem, which succeeds in solving the difficult problem : it has a bad result when recursive t - matrix is applied to calculate the wave scattering of electrically large objects and multiple objects in the excitation of te wave

    在第四章中引入數字信號處理中的窗函數，成功解決了在入射波為te波時，用遞推t矩陣法計算電大尺寸物體或多個散射體時，精度不高的問題。
  8. The random vibration approach is theoretically superior in dealing with such multiple excitation problems, however it has hardly been practically applied due to its computational complexity, in addition to the problems relating to its input and output

    隨機振動法在處理這類問題時理論上有很大的優越性，但在國內外地震工程中還幾乎沒有獲得實際應用，主要原因之一就是計算復雜性。
  9. The coupling nonlinear vibration equations involving both the first in - plane and the first out - of - plane modes is generated by using the galerkin method. according to the derived equations, the internal resonance subjected to the in - plane excitation is analyzed by the multiple scale method. the results reveal that the internal resonance of the stay cables posses the characteristics of multiple values and divergence

    通過galerkin方法，得到了一個反映面內一階及面外一階模態的耦合非線性動力系統，用多尺度法對面內激勵下的內共振進行了分析，以實際橋梁拉索為例，得出了拉索模態耦合非線性振動具有多值、分叉等特點，並分析了拉索阻尼對模態耦合內共振的影響。
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