vibration acceleration 中文意思是什麼

vibration acceleration 解釋
振動加速度
  • vibration : n. 1. 振動,顫動;擺動;【物理學】振動。2. (心的)震顫。3. (思想情緒的)激動。4. 猶豫。adj. -al
  • acceleration : n. 1. 加速;促進。2. 【物理學】加速度;變速。3. 【教育】加速升級。
  1. The measured tangential force, tangential inertial force and normal vibration acceleration are decomposed using a discrete wavelet transform. the relation among these three dynamics state variables is investigated

    利用小波變換技術對測量的切向力、切向慣性力和法向振動加速度進行分解,對這些動力學變量之間的相互關系進行了深層次的研究。
  2. . rolling bearings. specifications of vibration acceleration for steel balls

    滾動軸承.鋼球振動
  3. Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis

    摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解,從而得到若干個基本模式分量,對每個模式分量進行了頻譜分析。
  4. In this study, based on bispectrum and bicoherence extraction of vibration acceleration signals at spindle end of a vertical machining center while milling operation, change rules of bispectrum and bicoherence of the signals were analyzed for the progressive wearing process of the flank wear land of the milling cutters

    通過提取銑削加工過程中機床主軸端振動加速度信號的雙譜及其雙相干系數,分析了銑刀后刀面漸進磨損過程雙譜及其雙相干系數的變化規律。
  5. Rolling bearings. specifications of vibration acceleration for tapered roller bearings

    滾動軸承.圓錐滾子軸承振動加速度技術條件
  6. 5 for operating the fuzzy controller has been done, in which it simulates dynamic response of the vibration acceleration for fuzzy interpolation control

    在模擬研究中,藉助matlab6 . 5模擬軟體對模糊插值控制中振動加速度的動態響應進行了模擬。
  7. For a given aperture size and vibration acceleration, the relations between material flow, flow time and vibration frequency were studied by experiments

    通過試驗確定了在網孔孔徑和振動加速度一定的情況下,物料流量與流動時間以及振動頻率的關系。
  8. The results of simulation and test show that the semi - active seat suspension with fuzzy controller can markedly reduce the vertical vibration acceleration and hence improve the ride comfort of vehicle

    模擬和臺架試驗結果表明,模糊控制策略能使該系統較好抑制垂直振動加速度,提高乘坐的舒適性。
  9. Through the fundamental research of the blade destruction, the digital filter software, the monolithic integrated circuit system software and hardware, the vibration acceleration sensor realizes the vibration protection together

    通過對葉片破壞形式的理論研究,由數字濾波軟體、單片機系統軟硬體、振動加速度傳感器共同實現振動保護。
  10. Then the experiment platform of the hypoid gear system was set up, and the lateral, longitudinal and axial vibration response of the bearing and the vibration acceleration response on the surface of the gearbox were measured

    搭建了準雙曲面齒輪傳動系統的實驗平臺,測量了準雙曲面齒輪箱軸承座的橫向、縱向和軸向振動響應和箱體表面振動加速度響應。
  11. Statistics and analysis of amplitude domain parameters of the vibration acceleration signal measured during closing of the pump valve shows that, by using this diagnosis method, the feature information of the pump valve failure can be extracted effectively, and the failure information features are rather obvious

    通過對測取的三缸泵閥箱上泵閥關閉過程振動加速度信號的幅值域多參數的統計分析證明,採用振動信號幅值域多參數診斷法可有效提取泵閥失效故障的特徵信息,且故障信息特徵非常明顯。
  12. Results show that all the parts of the artillery produce vibration acceleration in the traveling course. the power spectrum is mainly in the low frequency segment. worse road surface and higher speed will cause higher power spectrum value of the acceleration response

    結果表明火炮牽引行駛過程中各部件均產生振動加速度,其功率譜主要分佈在在低頻段,路況差、速度高則加速度響應的功率譜值高。
  13. The results showed that, the comfort rates of common sleeper bus on three and four class roads are fourth and fifth grade at average. the weighted accelerations on the back part of the advanced sleeper bus on highway is between 0. 50 ~ 0. 68m / s2, its comfort is 3 class degree ; the weighted vibration acceleration of train ' s in the beneath soft berth on plain main line is 0. 5 ~ 0. 6m / s2, and the comfort degree is 3 class ; the upward berth vibration comfort is 2 class

    數據分析表明,普通公路臥鋪客車在三、四級公路上的臀一頭頻率計權加速度值在0 . 50 - 1 . 30in / sz之間,舒適等級主要為4 、 5級;在高速公路上高檔公路臥鋪客車的後部下鋪的臀一頭頻率計權加速度值在0萬。
  14. The results of the experiments have showed that the vibration of the head and the buttock mainly take place in the frequency of 0. 5 ~ 20hz, the vibration acceleration of the passenger ' s head on the high - level sleeper bus at highway does not exceed 1. 20 m / s2, the buttock ' s vibration acceleration is not more than 1. 00m / s2, however the acceleration of the legs " vibration is less than 0. 50m / s2. the vibration experiments of trains were done on the hard and soft berths in the mountain diverged line and the plain main railway, the data showed that the vibration of the passenger ' s head and pelvis mainly took place in the frequency of 0. 5 - 15hz, under this range, the acceleration of head ' s vibration do n ' t exceed 0. 80m / s2, the but tock ' s vibration acceleration is not more than 0. 40m / s, the legs " vibration acceleration is less than 0. 30m / s

    數據分析表明,頭部和臀部振動主要發生在0 . 5hz 20hz ,高檔公路臥鋪客車在高速公路上,頭部振動加速度值一般不超過1 . 20m s ~ 2 ,臀部振動加速度值一般在1 . 00m s ~ 2以下,而腿部振動加速度值一般在0 . 50m s ~ 2以下;鐵路臥鋪客車臥姿乘客振動試驗分別在山區支線和平原干線上運行的硬臥及軟臥臥鋪進行,數據分析表明,頭部和臀部振動也主要發生在0 . 5 15hz ;平原干線的鐵路軟臥,頭部振動加速度不超過0 . 80m s ~ 2 ,臀部振動加速度值不超過0 . 40m s ~ 2 ,而腿部振動加速度值則在0 . 30m s ~ 2以下。
  15. Testing the vibration acceleration signal of rail top ( lateral and vertical ), rail middle ( lateral ), rail bed side ( vertical ) and rail bed middle ( vertical ) with dasp vibration testing system, calculation of signals obtains the power spectral density and frequency response curves of different position

    測試橫向和垂向激振力下鋼軌不同部位的振動信號,進行頻譜分析,得出不同部位的頻率響應曲線。通過對頻響曲線的分析,得出不同方向激振力下鋼軌振動能量集中的頻率,確定不同方向激振力下鋼軌的主要振動部位和振動形式。
  16. 2. the discrete sampling value of field track vibration acceleration wave is transformed by fft and analyzed by deterministic analysis. one degree of freedom simplified model is used for train and the kinematic equilibrium differential equation is deduced to simulate the vertical wheel system

    最後,通過線性回歸得到了該地鐵軌道交通引起的環境振動的振級衰減公式; 2 .通過快速fourier變換,對實測的軌道振動加速度進行了數定分析。
  17. Through the test of the separating sieve ' s and beams vibration acceleration, the dynamic bending moment, torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft, the change regularity of the vibration of the separating sieve, the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained. research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve. the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam, appropriately amending the vibration acceleration of the separating sieve, the loading and vibration of the mam beam can be directly improved

    通過分檔測試主軸轉速在300 600r min范圍內分離篩與梁的振動加速度、梁所承受的動態彎矩、扭矩和剪力以及各參量的時頻域分析,得到了主軸轉速與分離篩振動、主梁的振動及其危險截面的動態載荷間的變化規律,研究表明梁的振動和其所承受的動載與分離篩的振動之間具有明顯的相關性,分離篩的振動主要影響梁振動的低頻成分,適度改善分離篩的振動加速度,可直接改善梁的負載和振動特性。
  18. After measuring and analyzing the vibration acceleration of a armored vehicle ' s gearbox, the ar model of single and multiple input - output system are established and the parameters are classified

    通過對裝甲車輛齒輪主傳動系統的振動信號測試與分析,分別建立了單輸入單輸出及多輸入多輸出系統的受控ar模型,辨識了系統參數。
  19. For measurement of lateral vibration acceleration of railway bridges, necessary technical measures should be taken to ensure that the data collecting will not be mixed and overlaid, and setting of the data sampling frequency should also meet the requirements for amplitude precision

    摘要加速度測試必須採取技術措施保證數據採集不混疊,采樣頻率的設置必須能夠滿足幅值精度的要求。
  20. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。
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