振動數分 的英文怎麼說

中文拼音 [zhèndòngshǔfēn]
振動數分 英文
vpm
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. In order to prove the feasibility of the control method mentioned, both the semiphysical test for the plant simulated by analogue computer and the model test for the cantilever beam are designed and finished with the study of the parameter selection in realization

    對離線建模的智能旋翼頻域神經控制方法進行了試驗驗證研究，試驗分兩種情況：以模擬計算機模擬受控對象的半物理模擬試驗與懸臂梁振動響應控制試驗，並研究了實現中的參數選擇問題。
  2. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  3. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。
  4. So this base isolation technique has profound prospects. unfortunately there exist definite difficulties in the calculation because of the nonlinear of the base friction force. now, both the equivalent damping method and the numerical calculatin of the vibration response of the base - isolated buildings are frequently used in the calculation of the seismic response of the base - isolated building. however both of them have certain drawbacks. in this paper, the response of the building with base - isolation system is derived by the method of fourier expansion for the friction force and the earthquake response. at the same time, the sliding vibration character of inertia of a single mass structure and the sliding vibration response of a muti - mass structure are discussed. the stable condition of the sliding base isolation system of a structure is given. in the end, two circes of base fixation and base sliding are analyzed by adopting ansys

    本文利用對摩擦力和地震響應進行付氏級數展開的方法導出了基底具有摩擦隔震系統的地震反應。同時，文中從研究單質點結構的滑動振動慣性力入手，進而對多質點結構體系滑動振動反應進行探討，分別給出了結構滑動隔震的自身穩定條件。最後，本文利用ansys對基礎固定和基礎滑移隔震兩種工況進行了動力模擬模擬分析，進一步證實了基礎滑移隔規律。
  5. This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization

    本文以拉格朗日方程為理論基礎，對慣性制動器在制動時的振動進行數學建模，然後用matlab對其進行模擬，得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系，為慣性制動器的結構優化提供了理論依據。
  6. We acquired the system ' s dynamic response when the satellite attitude was adjusted and the mode of the antenna. then modal analysis and dynamic analysis have been done to the satellite - antenna system by using the finite element analysis ( fea ) software of ansys. through the analysis we got the system ' s connatural characteristic, the amplitude - frequency characteristic of harmonic response, the power spectrum density of random vibration response, the maximal amplitude and resuming time of impact response

    其次藉助ansys有限元分析軟體，對系統進行了模態分析和動力學響應分析，獲得了不同天線結構參數下的衛星?天線系統的固有特性，簡諧響應的幅頻特性，隨機振動響應的功率譜密度，以及沖擊響應的最大幅值和恢復時間等。
  7. Across the rigid - flexible coupling dynamic analysis, we acquired the coupled effects between the three - dimensional attitude motion of the satellite and the flexible vibration of the antenna ' s supporting beam, and got the dynamic behaviors of the system. and we found the change pattern of the antenna ' s structure parameters, which decide the system ' s connatural characteristic and its dynamic response

    通過對衛星?天線形成的剛柔耦合系統進行動力學分析，獲得了衛星的剛體運動與天線的彈性振動之間的耦合影響規律及其真實的動力學行為，得到了天線結構參數對衛星?天線系統的固有特性及其動力學響應的影響規律，為衛星姿態控制和天線結構優化設計奠定了基礎。
  8. On the basis of this equation, the general differential equations of coupled bending, torsional and pendular nonlinear vibration about rotor with unbalance character and rubbing character are deduced. the bifurcation and chaos behavior especially the influence on bifurcation and chaos behavior of impact and rubbing fault rotor system

    應用數值方法研究了碰摩轉子的彎扭擺耦合振動相應的復雜動力學行為，重點研究了轉子轉速、偏心量等系統參數對碰摩轉子彎扭擺耦合振動的分岔和混沌行為的影響以及扭轉振動和擺動振動對彎曲振動的影響。
  9. Partition function of vibration

    振動配分函數
  10. Bifurcation analysis of a parametrically excited motor system

    由電磁力激發的電機參數振動的分岔研究
  11. Finally, the improved method is utilized to identify data acquired by vibration test of a honeycomb sandwich structure with different magnitudes, locations or vibration directions, and the identification results are used to analyze the characteristic of the structure in order to guide the further study of satellite structure ’ s design

    最後利用改進后的dbm方法對幾組在不同量級、不同振動方向、不同測點的蜂窩板夾層結構的振動數據進行辨識，並利用辨識的結果對于結構的動力學特性進行分析，從而為實現對衛星結構的設計提供依據。
  12. Time history analysis is carries on after the seismic waves being numbered according to period, input values of seismic wave to vibration equation of system, adopt the method of progressive integral to gain the whole course of the structure ' s state at the whole earthquake

    時程分析是將地震波按時段進行數值化后，輸入結構體系的振動微分方程，採用逐步積分法得出結構在整個地震時域中振動狀態的全過程。
  13. Research on vibration data compress using wavelet decomposition and embedded coding of zerotrees of wavelet coefficients

    小波分解及嵌入式小波系數零樹編碼在振動數據壓縮中的應用研究
  14. And it has completed the construct of collectivity project and the basic principle of design, system scheme collectivity, item content, data collection of host and assist computer, analysis and data manage system, portable libration data analyse and collection, dcs net contact with mis net, and data longdistance transfers

    完成了總體方案的構想及設計的基本原則、總體系統方案、項目內容、主機和輔機數據採集、分析及數據管理系統、便攜式振動數據採集分析系統、與dcs 、 mis聯網及數據遠程傳輸。
  15. Abstract : the problem of vibration arose from the fluid source of vibration is analysed using the method of spot measurement, numerical calculation. an analysis method to reduce the chemical pipeline vibration is put forward

    文摘:以某煉油廠的一條加氫管線振動為例，對管線中流體振源引起的振動問題從現場測試和數值計算等方面進行分析研究，提出了一套用於減輕石化管線振動的分析方法。
  16. The software can collect the diesel engine vibration signal with different channels, different kinds of frequency and different kind of gains ; it also can save the data files with different formats

    整個系統能夠實現不同通道、不同頻率、不同增益的振動數據採集以及不同格式的數據保存，能夠進行基於分形的數據分析。
  17. According to the relationship between different transmission gears of rotatioft drive system, the system ' s torsion vibration model was built. the method of how to calculation the parameters and how to solve differential equation by state space method was presented in the paper

    根據成角和轉角驅動系統中傳動級之間的扭矩和角速度的傳遞關系建立了兩個系統的扭振數學模型，具體給出了扭轉振動數學模型中各個參數的確定方法和應用狀態空間法求解該系統扭振模型二階微分方程的方法。
  18. It analyses static errors and dynamic errors, calculates vehicle plane every parts static and dynamic steel and bend distortion effect. it discusses testing means and testing equipment to oscillation, puts forward disposal means to oscillation data, fetches oscillation model of vehicle plane, does predigestion and coupling to all kinds of oscillations

    分析了車載平臺的靜態誤差和動態誤差，計算車載平臺的各部分靜態、動態的剛度以及彎曲變形的影響。對振動的測試方法和測試設備進行了論述，提出對振動數據進行處理的方法，推導出車載平臺的振動模型，對各種振動進行了相應的簡化和耦合處理。
  19. The traditional evaluation method is to build the vehicle model with mathematical differential equation, then pre - evaluate its comfort performance in the frequency domain. all the conclusions are interpreted and expressed in curve and data, which is invisual and lack of interactivity

    傳統的分析方法是對車輛進行抽象簡化，建立其振動微分方程，通過在頻域范圍求解預估其平順性，分析結論都以曲線和數據來表示，缺乏直觀性和交互性。
  20. Based on the fully analysis of modern wireless transmission technology and principle, reference of vast correlative papers and advanced wireless data transmission products in the world, summarization and reference of modem sensing technology and data acquisition technology, wireless data transmission module sa68d29m is selected, which satisfies the requirements of the modern in - situ vibration measurement

    通過深入分析現代無線數據傳輸技術原理，在查閱大量相關文獻和國內外先進無線數傳產品、總結和借鑒現代傳感技術和數據採集技術的基礎上，選取了適合現代振動測試現場要求的無線數傳模塊sa68d29m ，設計完成了基於無線技術的振動數據採集系統。
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