It's obtained that the strongest liquefaction lags behind the peak acceleration time. 最强烈液化作用滞后于峰值加速度时刻。
Structural parameters identification methodology with direct use of acceleration time series and its verification 基于加速度时程的结构参数直接识别方法及验证
This paper introduced the function of acceleration time, deceleration time, acceleration pattern, deceleration pattern. And be related to the function of motor's start and stop. 本文介绍了变频器中的加、速时间,加、速方式,以及起动和停机的相关功能。
Synthesis of acceleration time while seismic oscillation is input to the bedrock; 基岩输入地震动加速度时间过程的人工合成;
Study and Application of Simulating Acceleration Time Histories Using Velocity Records of Regional Digital Seismograph Network 利用区域数字化地震台网速度记录仿真加速度时程的研究与应用经皮主动脉速度记录仪
The acceleration time and deceleration time were corrected with pulse pressure and heart rate ( ATi and DTi). 经心率和脉压矫正后的加速时间(ATi)和减速时间(DTi)。
Jog running is that AC inverter runs under the jog frequency, jog acceleration time and jog deceleration time. 点动运行,就是变频器在停机状态时,接到点动运转指令后按点动频率和点动加减速时间运行。
New methods for generating high quality acceleration time histories 产生时程分析用的高质量地面运动时程的新方法
According to quasi-steady theory, the along-wind acceleration time history and root of mean square ( RMS) with or without suspended mass pendulums control were calculated in the time domain, and the optimal design parameters of suspended mass pendulums were also determined. 根据准定常理论,计算了悬挂质量摆控制前后结构顺风向的加速度时程和均方根(RMS),并进行了参数优化分析。
The method making initial acceleration time history in the. normal method has been improved, and it is recommended to use real earthquake acceleration records for initial time history. 对常规方法构造初始加速度时程的方法作了改进,并建议直接使用真实地震加速度时程记录作为初始时程。
At the same time, we studied the configuration for stable platform and the configuration of stable platform, put forward the fast calculation formula of wind-load received by stable platform and the viewpoint that comes to select motor with acceleration time. 同时,对稳定平台的结构形式和传动精度与误差进行了研究,还提出了稳定平台所受风载荷的快速计算公式和提出了以加速时间来选择电动机的观点。
The acceleration time response graphs at desired positions were presented under three load conditions: the maximum dynamic pressure, before separation, after separation. 给出了最大动压、一二级分离前和分离后三种工况下卫星结构的加速度响应历程。该方法克服了大质量法和惯性载荷法瞬态响应计算中的载荷处理困难和数据回归困难。
Single-chip Microcomputer-based Measure of Engine Rotating Speed and Acceleration Time 基于单片机的发动机转速和加速时间测量方法
The normal method to simulate earthquake acceleration time history is analyzed, and it is shown clearly that choice of initial acceleration time history is important. 分析了地震加速度时程模拟的常规方法,指出初始加速度时程的选取十分重要。
The result shows that the strength feature of knee joint, back and waist muscle can be evaluated based on the parameters of relative moment of various joints, acceleration time and angle of moment. 结果表明,古典式摔跤运动员膝关节、腰背和肘关节力量特征,可用各关节作功时的相对峰力矩、加速时间和峰力矩角度的参数大小评价;
The basis analysis on the change in momentum, velocity and other related factors of solid particles in settling slurry over the acceleration time is carried out. 进行了非均质流固体粒子加速过程中的清水与固体粒子的速度变化、动量传递、相关质量计算等基本分析。
The correctness of the simulation model and torque control strategy are validated by comparing the collaborative simulation result with vehicle test result about driving performances such as the acceleration time ( 0~ 32km/ h), maximum velocity and steering characteristic. 通过对0~32km/h的加速时间、最高车速以及转向特性等驱动特性的协同仿真和实车试验结果的分析和比较,从而验证了仿真模型及转矩控制策略的正确性。
The acquired characteristic curves of displacement, speed and acceleration time change of dam bodies subjected to seismic wave and their nearby stratum assume a definite meaning for designing of dam body, the choice of foundation material, choice of foundation depth. 得到了一些地震波作用下坝体及附近地层岩石的位移、速度、加速度随时间变化的特征曲线,对坝体的设计、材料的选择以及基础深度的选择具有一定的意义。
Result also shows that by simulating wide band velocity records we can get acceleration and displacement time histories, but high frequency part of acceleration time histories will have partial loss. 由宽频带速度记录也可得到加速度时程和位移时程,但对加速度时程高频成分会有一定的损失;
Using digital velocity records simulate acceleration time history and synthesize site design earthquake 利用数字化速度记录仿真加速度时程与合成场地设计地震波
An in depth study on the acceleration time of LRE during start transient has been done. 对液体火箭发动机起动加速性进行了深入、全面的研究。
Based on the SolidWorks software, design the detection device for power performance detection method of all-wheel-drive vehicle based on acceleration time difference. 基于SolidWorks软件,设计了基于加速时间差的全驱车辆动力性检测方法的检测装置。
The test results showed that the response spectrum of the synthesized acceleration time history using the above proposal can represent the mean level of ground motions with different random phase spectra. The observed data of the Northridge earthquake was also used to test the effect of this improvement. 算例检验的结果表明,得到的加速度时程的反应谱,能够表征基于大量随机相位谱合成的地震动的平均水平,亦借助北岭地震的实测数据,验证了改进方案的可靠性和有效性。
At the same time, get the curve between the acceleration time difference and the output power of on the acceleration law of change, by accelerating the time difference to evaluate power performance of All-Wheel-Drive Vehicle. 同时得到了加速度有规律变化时加速时间差与驱动轮输出功率差的曲线,通过加速时间差来评定全驱车辆的动力性。
Then the fitting acceleration time history based on phase difference spectrum been tested, the results reflect that it has property of partial coherence effects as the real seismic waves and the traveling wave effect and non-stationarity characteristics in time-frequency domain. 结合相位差谱拟合出加速度时程并对其进行了检验,拟合所得加速度时程体现了地震波部分相干效应与行波效应及时-频非平稳性等特点。
Obtained the displacement time histories 、 acceleration time histories 、 deformation performance 、 energy dissipation capacity and acceleration amplification factor of the model structure. 分析得到结构的位移、加速度时程反应和结构的变形性能和耗能能力以及加速度放大系数。
On a single form, the form of three two-form and multi-structure analysis of seismic wave acceleration time history in the process of change, the form structure corner stress concentration, the tensile and compressive stress will be changed and re-distribution. 通过对单窗体、双窗体和多窗体三种结构形式分析,在地震波加速度时程变化过程中,窗体结构体角点产生应力集中,其拉压应力值随之发生变化和重新分布。
Circumrotate momentum is generated immediately by wheel motor system. The acceleration time is reduced. It is convenience to control every wheel separately. The control can be very swift. 电动汽车采用轮毂直驱式可立即产生旋转动力,减少了加速时间,并且对每个车轮实施单独控制非常方便,具有较高的灵敏度。