amplitude acceleration 中文意思是什麼
amplitude acceleration
解釋
振幅加速度- amplitude : n. 1. 廣闊，廣大。2. 豐富，充足。3. （思想的）廣度。4. （天體出沒時偏離正東或正西的）角度距離。5. 【物，電】振幅。
- acceleration : n. 1. 加速；促進。2. 【物理學】加速度；變速。3. 【教育】加速升級。
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The variations of amplitude of earthquake acceleration, normalized response spectrum ( nrs ) and bi - normalized response spectrum ( bnrs ) with depth were evaluated
結果表明，地震動加速度幅值隨深度的增加而減小，在淺層的變化速度較快。 -
At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry
在線性階段，已有的研究表明：一方面，在內爆（或外爆）過程中擾動波長變短（或變長） ，使得不穩定性的增長率變大（或變小） ；另一方面，即使不存在界面加速度，界面運動仍然可能導致擾動幅度的增加，柱幾何中擾動幅度的變化速率正比于界面收縮比的平方，球幾何中擾動幅度的變化速率正比于界面收縮比的三次方，並且擾動幅度的變化方式（增加或減少）只與初始時刻擾動幅度的增長速率（正或負）有關，而與界面的運動方向（向內或向外）無關。 -
( 2 ) the lateral deformation is effectively limited by reinforced earth layers and the settlement becomes small. @ the lateral deformation is enlarged on soft foundations, and the settlement becomes large. @ the reinforced earth layers on soft foundations behaves extension. the response behaviors of high sand - gravel embankment are indicated as the following : ? he amplification factor of earthquake acceleration varies with reinforced earth structure. ( 2 ) the basic frequency of the original embankments in different reinforcement conditions is about 0. 76hz. ? the amplitude of dynamic deformation appears small and the dynamic stability is safe
研究表明：加筋土體能有效地限制路堤的側向位移發展，減小沉降變形量；軟基路堤的側向位移較大，將顯著地增大路堤的沉降變形；軟基上加筋土墊層中產生的拉應力最大；加筋砂礫土路堤在振動荷載作用下動變形反應較小，具有良好地動力穩定性。 -
Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。 -
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。 -
The results demonstrated that the weft tension and its amplitude can be effectively reduced and positively controlled to meet the requirements of weaving provided that suitable weft storage feed unit, weft feeding position and tension device are selected, modified trapezoid acceleration motion with smaller peak acceleration as the law of weft insertion motion is adopted, and the route of weft yarn motion is optimized
結果表明：通過選用合適的緯紗儲緯器、張力器和緯紗供緯位置，選用加速度峰值較小的改進型梯形加速度引緯運動規律，優化緯紗運動路徑，可有效地降低緯紗的張力值和張力變化的幅度，達到對緯紗張力進行積極控制的目的，滿足織造工藝的要求。 -
The four parameters ( spring inclination a, the frequency of excitation force w, the amplitude of excitation force f, the spring stiffness k ) are the major factors that take great influences on the vibration plate. in order to analyzing the influences of four parameters, the virtual prototype of vibration plate is built in ansys to get inherent frequency from modal analysis. thorough transient analysis in ansys, the curves of displacement n velocity and acceleration is presented
為了分析這四個參數對系統的影響，首先在ansys中建立振動排秧盤的虛擬模型，採用有限元方法對模型進行了模態分析，得到振動排秧機構的固有頻率；同時對模型進行動力學分析，分析排秧盤的振動量、速度及加速度，並得出相應數據的曲線圖；另外，校核了主要元件彈簧的疲勞強度及使用壽命。 -
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。 -
In this part, response spectrum and fourier amplitude spectrum are studied, the main results are as follows : 1 ) response spectrum analysis : a ) absolute acceleration response spectrum ( sa ) : ( 1 ) in general, response spectrum decrease with depth, for m < 4. 5, the shape and the predominant period of each response spectrum in different depths are similar : the variation of spectra with depth focus on near - surface level ; the normalized spectra are similar to each other, except the predominant perk value in middle depth of some earthquakes is higher than other depth
地震動反應譜沿深度變化的規律（ l ）加速度反應譜（ s 、 ）沿深度的變化規律一般，加速度反應譜（ s 。 ）隨深度的增加而減小。震級較小時，不同深度各測點的反應譜形狀很相似，卓越周期基本一致;淺層處反應譜沿深度的變化梯度較大;深層處反應譜大小比較接近;強震時，反應譜形狀在短周期有較小差別，長周期逐漸接近。 -
Resonant devices are used to measure strain, stress, acceleration, pressure, mass, flow, etc. by detecting the change of the resonant frequency or amplitude of the resonant components
諧振器件通過檢測振動元件的諧振頻率或振幅的變化來測量應變、應力、加速度、壓力、質量變化以及流量等，廣泛應用於力學量傳感器中。 -
Generally, the amplitude of the acceleration from the perpendicular direction is higher than that from the longitu dinal
但在高速經過類似三角形凸塊時受到離散激勵，縱向加速度峰值明顯高於垂直加速度。 -
Based on frequency - spectrum - transformation, this algorithm first changes acceleration spectrum into displacement spectrum, then calculates its amplitude, angular frequency and initial angle related to every displacement spectrum, finally sums up all the displacement components and forms the time course of the measured vibration
該方法採用頻譜轉換法，首先將加速度譜轉換成位移譜，再計算出位移譜中每個頻率分量對應的幅值、圓頻率和初相角，最後對各位移分量進行疊加得到振動位移的時間歷程。 -
Through analyzing a lot of tested data of seismic waves from deep - hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting - time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression
通過從不同角度對大量的深孔爆破地震動測試數據的分析，得到了巖石中爆破地震波傳播的頻率、幅值和持續時間等主要參數的變化規律以及它們的影響因素，並通過二元回歸法，擬合出計算爆破地震波加速度幅值的經驗公式。
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