振動方向 的英文怎麼說
中文拼音 [zhèndòngfāngxiàng]
振動方向
英文
allowed direction-
Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis
4 .利用核函數,提出了基於epanechnikov核函數的插值方法將採得的不等間隔的輪速信號轉換成等間隔的輪速信號。利用輪胎滾動方向的振動性質提出了譜估計法。A series of seismographs are arranged with their direction of vibration along the generators of a cone with vertical axis.
一組地震儀的振動方向是與具有垂直軸的錐體拾震器方向一致的。While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave
由兩個(或兩個以上)頻率、振動方向相同、相位相同或相位差恆定的電磁波在空間疊加時,合成波振幅為各個波的振幅的矢量和。This paper studies transverse - torsion vibration of blade and formulates the equation of motion of band saw blades. the solution of this thesis can be the manufacture reference and the original theory base of research of tightening device dynamics analysis of band saw in the future
本文對帶鋸條橫向扭轉振動進行了研究,驗證了帶鋸條橫向振動方程和扭轉振動方程,為進一步研究帶鋸機的動態特性奠定了初步的理論基礎。The optical rotation in er fluids is studied thoericaly. considering the different attenuation in different direction and the theory of light transmission, i derive the expression of rotation angle as function of the angle 6 ( between the electric vector of linearly polarized light and electric field ) and other parameters on the condition of several appropriates and assumptions
考慮電場作用下電流變液中不同振動方向的線偏振光衰減不同,根據光波在介質中的傳播理論,推導出光通過電流變液的旋光角與(入射線偏振光振動方向與外加電場方向的夾角)及其它參數的關系表達式。According to the theory of light transmission, we derived the expression of rotation angle as a function of the dielectric constant conductivity of er fluid, and ( the angle between the electric vector of linearly polarized light and electric field ) from maxwell ' s equations and fresnel reflection, on the condition of several appropriate approximations and assumptions
進而導出了非均相結構電流變液在外電場與光場交互作用下旋光角與(入射線偏振光振動方向與外加電場方向間夾角)及參數(為外加電場e 、分散顆粒介電常數、體積分數、絕緣油介電常數、位置矢量( ? )等量的函數)的西北工業大學應用物理系碩士學位論文摘要理論表達式。Efficient to lose fat, adopt micro - computer technology to make the vibration strongly effect on the abdomen, which part with most fat of the body. inner - desighed strong motor effect on the organism directly. unique auto change direction mode, makes the full dimension vibration of the organism
迴旋塑身腰帶運用微電腦技術,將強效振動裝置直接作用於脂肪最為集中的腹背部,內置的強有力的電動機直接作用於肌體,產品獨有的大幅度的水平移動自動變換方向運動模式,使肌體大范圍全方位共振,同時加快身體血液循環,微電腦控製程序可自動逐步增強產品運動力度,使用過程中自動轉換運動方向。It utilizes two boltclamped langevin transducers with unanimous frequency characteristic which convert vertical vibration to flexural traveling wave. they are arranged on the place of a elastic pipe to generated traveling - wave. when the traveling - wave propagate, the particles on the elastic pipe traverse an elliptic trajectory, materiel is transported by friction or acoustic streaming
利用兩套頻率特性一致並以縱向振動方式工作的夾心式換能器,通過合理的布局在導管中激勵出行波,使輸送管管壁質點產生橢圓運動,從而利用摩擦或在液體中產生聲流來實現固體及液體的傳送。The optical activity resulting from the anisotropic attenuation of different linearly polarized light is considered, and the attenuation of linearly polarized light lies in the light reflection on the interface and the absorption in the er fluids
考慮了電場作用下各向異性電流變液對入射線偏振光矢量不同振動方向的衰減不同而引起的旋光效應(電致旋光效應) 。The basic equations of elliptic plate, when temperature and stress fields are coupled, are developed, which include transverse thermal vibration equation, the compatibility equation and energy equations
本文首先推導了當溫度場和應變場耦合時橢圓板的非線性熱彈耦合振動的基本方程,其中包括橫向熱振動方程、協調方程和能量方程。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。On the basis of considering the influences upon the conveyance motion of solid phased particles affected by parameters of motive path of sieve chest, inclination of sieve surface, azimuth of vibration, throwing index and adhesive resistance of well drilling liquid etc., the kinetics equations of conveyance speed and displacement of solid phased particles were established
在考慮篩箱運動軌跡、篩面傾角、振動方向角、拋擲指數和鉆井液粘附阻力等參數對固相顆粒運移影響的基礎上,建立了固相顆粒運移速度和位移的動力學方程。In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll
研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion
殼體的運動方程採用較為簡單的donnell理論描述,運動方程中包括了激勵力、加筋結構(環肋、艙壁和縱骨)和流場對殼體的作用力,從而組成流場-結構的耦合振動方程,並進一步將方程中的位移用速度表示,然後沿軸線方向進行fourier變換,將速度和各項荷載沿圓周方向進行模態展開,得到了殼體振動的模態運動方程。A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived
本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型,推導了索-橋耦合非線性參數振動方程組,聯合galerkin法及數值積分方法,對各種特性的拉索進行了數值求解,得出了影響拉索參數振動的各種因素;提出了斜拉索受軸向端激勵參數振動模型,導出了模型的非線性振動方程,使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性,並用數值積分方法對實際斜拉橋拉索進行了計算,分析了拉索阻尼對參數振動的影響。The golden horse bridge with t - shape rigid structure and single - tower cable - stayed bridge is taken as an example for the solution of vertical vibration differential equation through the presented boundary condition
求解出的豎向振動方程的解析解,與有限元數值結果對比吻合良好,證明了方法的正確性。Base on the model founded, this paper assessed the ride performance by analyzed the root mean square value of power spectral density of acceleration of z - axis and round y - axis rotation acceleration at the driver ’ s seat. the root mean square value of suspension working spaces and dynamic tyre loads were also analyzed. base on the assessing system of vehicle ride performance, the root mean square
根據模型建立的實際情況,對車輛標準載荷情況下的平順性指標進行了計算,對人體感受到的振動採用了垂直方向和繞橫軸轉動方向的加權振級來評價,計算了車輛懸架系統的動撓度均方根值和各車輪相對動載荷均方根值的情況,全面的評價了車型的平順性。In operation, the transverse vibration of wire takes place and it can trace the cutting direction
加工中電極絲可產生橫向振動,且振動方向始終與切割方向一致。Hydraulic exciting vibration is a kind of liner one. the vibration direction is arbitrarily adjustable and the exciting force not only has a large value but can vary adapting to the load
激波器可產生一種直線線性振動並且具有:激振力大,振動方向任意可調,振動頻率和振幅能夠實現單獨無級調整等優點。Optical phase retarders are not only important optical components in laser technique and polarized light technique fields, but also the basic optical phase modulators that introduce a phase shift between orthogonal and linearly polarized component when light transmittes through them
光相位延遲器,是偏光技術和激光技術領域中極為重要的光學器件,也是最基本的光相位調制器。它能使透過它的振動方向相互垂直的兩束光波彼此之間產生一定的相位差,故稱光相位延遲器。分享友人