振擺的 的英文怎麼說
中文拼音 [zhènbǎide]
振擺的
英文
oscillatory-
The baby has come out of his slump.
寶貝終于擺脫了萎靡不振的狀態。Wrist - chronometer with spring balance oscillator
具有擺輪游絲振蕩系統的精密手錶Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software
像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機，在忽略了入瞳漂移和f特性誤差后，從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動，為了減少幾何畸變，在軟體設計中給出誤差補償。It is applied to sorts of locomotive engine, in course of revolving of crank and connecting rod mechanism, there are revolving of the crankshaft, swinging of the connecting rod and reciprocating motion, so its motion state is complex, and periodic unbalanced force, by a few components, is great
曲柄連桿機構在高速運轉過程中，有曲軸的轉動、連桿的擺動及活塞的往復運動，其運動狀態復雜，各個部件所產生的周期性不平衡慣性力大，是引起發動機振動的主要原因。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。In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )
本文以高速旋轉機械為主要研究對象，系統、深入地研究了非線性動力學系統的數值計算方法、具有非線性剛度的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor
本文主要進行了以下工作：分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵，對機組的振動、擺度和壓力脈動測點進行了選擇和布置，並選用相應傳感器進行監測。In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source
摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。It ' s the kind of spark the yankees need before it becomes too late and the hole is too deep to fill
這對目前搖搖擺擺的洋基有另一種鼓舞作用，至少提醒隊友們要積極振作以免為時已晚。This article first discusses the vibration plane and its movement on the basis of complex analysis, and then describes the vibration plane of foucault pendulum intuitively, building up the mathematical models of foucault pendulum ' s vibration plane by matlab
摘要用復變函數討論傅科擺的振動面及運動情況，在此基礎上用建立傅科擺振動面的數學模型，直觀地描述了傅科擺振動面。Firstly, the airfoil ' s classic flutter ( at small attack angle ), stall flutter ( near the static stall angle ) and response ( at large attack angle ) are analyzed. it is found from the numerical results that " lock - in " will occur at certain freestream velocity range near the static stall angle, where the frequency of the vortex will be equal to the natural frequency and the flutter has the characteristic of self - induced oscillation. when the attack angle is far from the static stall angle, the vortex will have its own frequency, which differs from the natural frequency, and the flutter has the characteristic of forced oscillation
首先研究了二維翼型的古典顫振（小攻角） 、失速顫振（失速攻角）和動力響應問題（大攻角） ，得到以下結論：在靜態失速攻角附近的一定來流速度范圍內，分離渦會發生頻率鎖定現象，分離流的頻率與固有頻率趨于相同，這時的振動呈現自激振動的特點；遠離失速攻角時分離流頻率則擺脫固有頻率的影響，此時的振動具有強迫振動的特點。We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise
在實驗過程中，改進了對車輪的激振方式，利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性，確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下，踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。The design methods, such as the theory of mechanism dynamic design, the finite element method and the theory of fuzzy reliability etc, are introduced to study the vibration and structural parameters optimization design of the swing movable teeth drive system. the dissertation includes the following six aspects : a ), the torsional vibration dynamic model of swing movable teeth transmission system ; b ). the torsional and flexural vibrations dynamic analyzing model of swing movable teeth drive ; c )
研究的內容包括以下六個方面： a ）擺動活齒減速器傳動系統扭轉振動的動力學建模； b ）擺動活齒減速器傳動系統彎、扭耦合振動的動力學分析建模； c ）擺動活齒減速器箱體振動的有限元模態分析； d ）擺動活齒減速器高速軸的抗共振模糊可靠性設計； e ）結構參數對活齒傳動嚙合剛度的影響； f ）擺動活齒傳動的模糊可靠性優化設計。Dynamic model of swing movable teeth transmission system vibration
擺動活齒傳動系統振動的動力學模型The natural frequencies of the vibration system are obtained by using the iterative perturbation method
並對擺動活齒傳動系統振動的固有頻率進行了求解和分析。By using the method of transfer matrix, the dynamic model of the driving shaft vibration of swing movable teeth reducer is built. the calculation formula for natural frequencies of the flexural vibration of the driving shaft is derived
應用傳遞矩陣法，建立了擺動活齒減速器輸入軸振動的動力學模型，導出了輸人軸橫向彎曲振動的固有頻率的計算公式。In this letter, we introduce the rule of the linear and non - linear movement of the single pendulum, and by using the jacobian elliptic function, we educe two categories of movement fuctions of the single pendulum, the results will be some referential improtance in studying the non - linear vibrational systems
摘要介紹了單擺的線性與非線性運動規律，並利用雅可比橢圓函數法導出了單擺作兩種運動的方程，對研究非線性振動的系統有一定參考價值。In this article the aerial working platform of straight - arm mode is mainly studied on the basis of analytical mechanics, namely the system is described with lagrange equations and a mathematical model is built. then a certain aerial working platform is analyzed and some conclusions have been drawn that the effects on vibration when correlated parameters are changed
並針對具體實例，討論了各個參數在系統整體擺動中對臂架頭部，即操作人員的工作位置處振動的影響程度，及一些隨著參數值的變化，振動幅度的變化規律。The response of the vibration system is solved. the torsional and flexural vibrations of swing movable teeth transmission system is analyzed and the elasticity of driving shaft, the elasticity of output shaft bearings and the elasticity of movable teeth are taken into consideration. the dynamic analyzing model of swing movable teeth transmission system is established
對擺動活齒傳動系統的彎曲振動、扭轉振動及其耦合效應進行了分析，並綜合考慮了系統的輸入軸的彈性、輸出軸軸承的彈性以及活齒與激波器、內齒圈的嚙合彈性等的影響，建立了擺動活齒傳動系統彎、扭耦合振動的動力學分析模型。In accordance with dynamic characteristics of swing movable teeth drive, the torsional vibration dynamic model of swing movable teeth drive is developed and the vibration equation of the vibration system is established for the first time
針對擺動活齒傳動機構的動力學特點，首次建立了擺動活齒傳動系統的扭轉振動動力學模型，導出了系統扭轉振動的動力學方程，並對系統動力學響應進行了求解。分享友人