機械振動分析 的英文怎麼說

中文拼音 [jīxièzhèndòngfēnxī]
機械振動分析 英文
machinery vibration analysis
  • 機 : machineengine
  • 械 : 名詞1. （器械） tool; instrument 2. （武器） weapon 3. [書面語] （枷和鐐銬之類的刑具） fetters, shackles, etc
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 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
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 機械 : 1. （利用力學原理組成的各種裝置） machinery; machine; mechanism 2. （死板; 刻板） mechanical; inflexible; rigid
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Abstract : with a view of time - varying characteristic of the v ibration signal measured on reciprocating machinery and a brief introduction to the wavelet analysis and a nonlinear wavelet denoising theory, the paper makes an approach, by taking an triplex pump widely used in heavy machinery as an exa mple, on the waveform feature extraction which reflects the various conditions o f reciprocating machinery with nonlinear wavelet denoising analysis method

    文摘:針對往復機械振動信號的非平穩時變特點，本文在簡述小波分析及非線性小波消噪理論的基礎上，以重型機械使用的三缸泵為例，研究了用非線性小波消噪方法提取往復機械狀態下的波形特性。
  2. Abstract : a new student experiment of spring vibrator is reported. the data measured by a force sensor and a distance sensor are analysed by a computer real - timely

    文摘:通過力傳感器和距離傳感器測量彈簧振動時的力學量，並用計算機分析彈簧振子各力學量之間的關系，實現對彈簧振動特性的實時測量，為深入認識機械振動的特性提供了有用的實驗手段
  3. With the help of the theoretical equation of rolling and the energy criterion of mechanical vibration, and on the base of full consideration of roll gap nonlinearity during vibration, this paper suggests an approach to analyse the stability of self - excited vertical vibraiton of high speed cold strip mills by numerical method

    摘要本文在充分考慮軋機垂直振動過程中輥縫非線性的基礎上，利用軋制理論方程和機械振動理論中的能量判據，給出了更精確的分析高速冷軋機垂直自激振動穩定性的數值計算方法。
  4. According to the principle of mechanical vibration, through qualitative and quantitative analysis the paper research the vibration transportation mechanisms of the rice seeding thrower, and establish mathematic models and parameter relation of the mechanism ' s locomotion

    根據機械振動學原理，對水稻拋秧機的振動輸送機構進行了機構學分析並建立機構運動數學模型和參數關系，對設計的振動機構有定性和定量的分析。
  5. This paper mostly is consisted of three parts, which is vibration of rotating machinery and vibration failure analyzes, the collectivity design project and the realization of software

    本論文主要分三部分:旋轉機械振動機理及振動故障分析、燒結廠高溫風機在線監測系統的總體設計方案和網路通訊模塊及上位機系統的實現。
  6. In the first part : in combination of the modern theory with the theory of mechanical vibration, the basic principles and approaches for active vibration control are systematically and briefly discussed. the corresponding mathematical model is developed for the systems with single degree of freedom ; the regulation rules and fundamental solutions of the transfer functions of the system are analyzed

    第一部分是將現代控制理論和機械振動理論結合起來，系統地闡述了振動主動控制的基本原理和分析方法，推導了適合內燃機整機振動的單變量系統的典型反饋控制形式及其數學模型，分析了系統的傳遞函數。
  7. Mechanical vibration - vibrotactile perception thresholds for the assessment of nerve dysfunction - part 2 : analysis and interpretation of measurements at the fingertips

    機械振動.評定神經官能紊亂用振動感知閾值.第2部分:指尖處測量的分析和解釋
  8. At last, the valid data based fast emd algorithm was proposed. chaper five aimed to the requirement of the emd based time - frequency analysis in the field of rotating machinery signal analysis and fault diagnosis. studied the method of rotatory speed prediction to improve the precision of complete period sampling of vibration signals in rotating machinery, then, discussed the phenomenon of mode fission in noise signal anlysis by emd and provided the filter method to weaken the phenomenon. after then, found a process to analysis the signals using emd - based method in the field of rotating machinery signal analysis and fault diagnosis

    第五章針對旋轉機械信號進行emd時頻分析的要求，提出了提高整周期采樣精度的預測演算法和適合於單片機計算的近似公式；論述了模態裂解現象，並通過模擬信號和實際信號的研究，提出了使用濾波技術來減弱模態裂解現象的方法；給出了適合於旋轉機械振動信號基於emd時頻分析的工作步驟；研究了基於emd的旋轉機械振動信號自適應濾波技術。
  9. An easy analytical method of mechnical vibration

    機械振動的簡易分析方法
  10. The main contents of this thesis include : ( 1 ) summarize and analysis of the theories on vibration transmission through rolling element bearings ( 2 ) based on the threshold setting and signal ’ s statistical approach, a method for solving the problems of denoise was developed ( 3 ) using sparsity and clustering, the method and hypotheses for underdetermined blind source separation was studied ( 4 ) the method based on potential function clustering was given for underdetermined blind source separation of noisy signals based on the assumption that the input distribution is sparse and the mixture procedure is linear, the attenuation matrix and the delay matrix were estimated by clustering. the approach was experimentally illustrated for the case of m = 2. the separation of the signals from bearing test bed proved that the given methods are available and reliable

    在需求分析和研究現狀分析的基礎上，本論文針對如下內容進行了重點研究: （ 1 ）以滾動軸承為例，對旋轉機械振動信號的傳輸進行了歸納分析; （ 2 ）通過設定某一門限並研究信號間的統計特性，研究了旋轉機械振動信號的盲源分離過程中噪聲消減策略; （ 3 ）應用稀疏信號分析和聚類分析方法，對盲源分離中欠確定問題的假設條件進行探討並對分離方法進行了分析; （ 4 ）採用基於勢函數聚類分析的方法，研究了欠確定前提下含噪聲測量過程中信號盲源分離方法。
  11. The mechanical impedance analyzing method utilized, the mathematical formula for the input impedance and transformer ratio of ultrasonic horn are built up, some vibration performance of ultrasonic horns are discussed under different load impedance, the relationship and applicational conditions between the transformer ratio of ultrasonic horn and the radiational impedance are analyzed

    採用機械阻抗分析方法，建立了超聲變幅器的輸入阻抗和變幅比的數學表達式，討論了不同負載阻抗下超聲變幅器的振動性能，分析了超聲變幅器的變幅比與換能器輻射阻抗之間的關系及應用條件。
  12. A general vibration signal testing and analyzing system for rotating machine is developed based on the methods

    在此基礎上研製一套通用性旋轉機械振動信號測試與分析系統。
  13. Mechanical vibration and shock - signal processing - time domain windows for fourier transform analysis

    機械振動和沖擊.信號處理.傅里葉變換分析用時域窗
  14. In the paper, both the frequency and spectrum analyses and testing modal analyses have been investigated based on the research achievements of the internal and abroad. data interface software has been developed with the data picking box cras

    本文在對機械振動系統的國內外研究現狀進行綜述的基礎上，著重探討了結構動力特性中的頻譜分析和試驗模態分析兩個問題，並結合cras數據採集箱開發研製了數據介面軟體。
  15. Chapter two introduced the basic ideas of emd theories briefly, and then discussed the emd - based time - frequency analysis method ' s basic agrithom. the conclusion was deduced that the method is valid in the field of signals processing and fault diagnosis in rotating machinery by simulation and real signal analysis. chapter three discussed the origin of emd method ' s end effect, then studied the direct, time - series based and neuron network based data extention technologys to weaken the end effect

    第二章介紹了基於emd時頻分析方法的一些基本概念；闡述了emd方法和基於emd的希爾伯特變換的基本原理和演算法；在此基礎上，用基於emd的時頻分析方法對模擬和實際信號進行了分析驗證，結果表明把該方法引入旋轉機械振動信號時頻分析和故障診斷領域是有效的。
  16. This paper introduced the mechanical vibration model of human body, and discussed effects of environment vibration on man and the criterion of evaluating human response to vibration based on iso, and analyzed the important factors

    摘要介紹了人體機械振動模型，在有關國際標?的基礎上，討論了環境振動對人體的影響及人體對振動的響應的舒適度評價標? ，並分析了相關的主要因素。
  17. Study mechanical vibration and noise theory, through analyzing the frequency spectrum of the vibration noise, study the spread characteristic of the vibration noise and method and technology of reducing vibration and noise, improve the security and environmental protection of the equipment operation

    研究機械振動與噪聲理論，通過對振動噪聲的頻譜分析，研究振動噪聲的傳播特性及減振、降噪的方法與技術，提高設備運行的安全性和環保性。
  18. The methods used commonly in vibration analysis, four - pole parameters and machinery impedance were introduced, and the theories and methods mostly used at present for flexible system isolation were compared

    介紹了振動分析中常用的四端參數法和機械阻抗方法，分析比較了目前常用的柔性基礎隔振理論及方法。
  19. In this paper, a general review has been made on six commonly used methods of dynamic response analysis of mechanical vibration systems, and their characteristics and the scope of their application have been clarified

    摘要本文對機械振動系統動態響應分析的六種常用方法作了評述，指明了其特點和適用?圍。
  20. The article discussed mechanical vibration diagnosis theory, including the classification of mechanical vibration, the sampling principle of rotating machine vibration signal, the method of signal pretreatment, the basic characteristic measure of the rotating machine vibration analyzing, the common method of signal analyzing

    文章討論了機械振動診斷理論，其中包括機械振動的分類、旋轉機械振動信號的採集原理、信號的預處理方法、旋轉機械振動分析的基本特徵量以及信號分析的常用方法。
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