natural excitation 中文意思是什麼

natural excitation 解釋
自然勵磁
  • natural : adj 1 自然界的；關于自然界的。2 天然的；未開墾的；野生的。3 固有的 生來的 天賦的（opp acquired）...
  • 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. Its principle is : a laminated structure ( beam or plate ) with delamination consists of undelaminated region and delaminted region which can be divided to upper and lower parts. when a low - amplitude and high - frequency excitation has the frequency close to some part ' s natural frequency, this part will resonate and certain amount of mechanical energy will convert to heat so that the delaminated region ' s temperature exceeds greatly that of the undelaminated region. therefore the delamination can be located by means of infrared thermograph

    其原理是具有脫層的層合材料構件（梁或板）包含脫層區域及未脫層區域，脫層區域分為上下兩部分，若對層合材料構件施加小振幅、高頻率的振動激勵，當激勵頻率恰好接近其中一部分的固有頻率時，該部分就會產生共振響應，部分機械能將轉化為熱能，使脫層區域的溫度遠高於未脫層區域，藉助紅外熱像儀即可顯示出脫層的位置。
  2. Experiments are mainly focused on initial growth of unsteady primary instability, high frequency secondary instabilities both in natural condition and artificial high frequency excitation

    重點研究了基頻不穩定性擾動的初始增長過程，以及自然條件下與人工高頻激勵下的高頻二次不穩定性擾動發生與發展的一些特性。
  3. In this paper periodically perturbed hopf bifurcation to lienard equation with limited time delay is sdudied in detail. that is, the influence of small periodic perturbations on system exhibiting hopf bifurcation is sdudied. in particular, the excitation frequency and the critical natural frequency of hopf bifurcation in the cases of harmonic resonance. subharmonic resonance, ultraharmonic resonance, and ultrasubharmonic resonance is discussed. it is shown that in some parameter regions the sestyms exhibit harmonic solution bifurcation, subharmonic solution bifurcation, ultraharmonic solution bifurcation, ultrasubharmonic solution bifurcation and quasi - periodic solution

    本文詳細研究了具有限時滯li nard方程的周期擾動hopf分支，即在該系統經歷hopf分支時，研究小周期擾動對系統的影響，特別是討論了擾動頻率與hopf分支周期解的固有頻率在共振、次調和共振、超調和共振、超次調和共振的情形。
  4. Here phenomena include also the excitation-response relationships of natural materials for which ideal material serve as models.

    這里，現象也包括著以理想物質為其模型的自然物質的激發反應關系。
  5. Melp vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional lpc vocoders, and add a jitter voicing state to overcome the tonal noise. parameters " interpolation, adaptive spectrum enhancement and pulse dispersion also are adopted to improve the continuity. the synthetic speech of melp vocoders sound much more natural and perceivable than the traditional vocoders "

    Melp聲碼器採用混合脈沖和噪聲激勵解決了經典lpc的嗡嗡聲的問題；引入了抖動濁音狀態以克服音調噪聲；利用參數插值、脈沖散布和自適應譜增強等措施提高合成語音的自然度和可懂度；此外還採用了多帶激勵，使其具有了比較強的抗背景噪聲的性能。
  6. The stiffness of ems is controllable, and taking it as the kernel, an emdva which natural frequency can adjust according to the frequency of the excitation force is designed. the emdva can adjust its natural frequency to keep up with the frequency of the excitation force acted on the main mass, reach in the almost perfect status of dynamic harmonization absorption and obtain satisfactory absorption effect

    該電磁彈簧的剛度值是可控的，以此電磁彈簧為核心，設計了一種固有頻率可實時調整的電磁式動力吸振器，該動力吸振器能夠調節其固有頻率與作用在主質量上的激勵力的頻率保持一致，從而達到接近理想的動力調諧吸振狀態，獲得滿意的吸振效果。
  7. Traditional static design methods can hardly resolve problem of dynamic design. only through exploring the interrelationship among the structure ' s natural characteristics, the external excitation and dynamic response of system, that is dynamic design, the problem can be resolved

    傳統的靜態設計難以解決動態特性問題，只有通過對結構的固有頻率，外界作用和系統的動力響應三者之間的聯系進行研究，即動態設計，才能有效的解決這個問題。
  8. These phenomena are roots of the unsteady excitation. ansys was used to solve the structure dynamic equations to obtain the natural frequency of vibration and mode shape of the blade

    本文應用工程軟體ansys完成了葉片的振型和自振頻率分析，結合數值計算得出的氣動激擾，進行了葉片的共振分析。
  9. The modal parameter identification using natural excitation technique and eigensystem realization algorithm are studied. reasonable results are identified. by introducing statistics to dispose the modal frequency of the structure, the preciseness and precision of the identified system mode are improved

    研究了利用環境荷載激勵技術和特徵系統實現演算法進行模態參數識別，引入統計方法對模態頻率進行統計平均處理，提高了系統模態識別的準確性和識別精度。
  10. Based on the dynamic responses of the structures under sinusoidal excitation with several frequencies through transient dynamics analysis, the influence of natural frequency on the vibration characteristics of the biomimetic wings is discussed further more

    隨后還進一步考察了結構在受到幾種不同頻率正弦激勵下的動態響應，分析了固有頻率對其結構振動特性的影響。
  11. As part of national natural scientific research fund ( grant no. 50078021 ), the dissertation is emphasized on investigating the failure modes and evaluating the global ductility of the staggered truss steel frame under the action of high - seismic excitation

    本文作為國家自然科學基金資助項目（批準號5007802 ）中子課題研究的一部分內容，主要對于鋼結構交錯桁架體系在強震下的基本破壞模式和體系整體抗震延性性能進行分析和評估。
  12. Acording to the relationship between the natural frequency and the excitation frequency, those corresponding modes mostly close to the excitation frequency can be selected automatically

    該方法可根據激振力頻率與基系統固有頻率集的關系，自動選擇最接近激振力頻率的相應模態個數。
分享友人
分享到 Line

分享到臉書