等加速度

The above-mentioned formulas can provide theoretical support for precise measurement acceleration of gravity and the other physics parameter.

所推导的公式为精确测量重力加速度等物理量提供了理论支撑。

After a detailed analysis of the forces in subway train's running, the dynamics mathematical model of subway train is constructed; the eventbased control technology is adopted to solve the controlling of subway, the velocity and acceleration function with respect to the distance are deduced by introducing the action reference variable in the control problem which the object is to minimize the running time. The running scheme can be programmed in realtime, the delay caused by uncertain events is avoided. So it offers a new way for the metro research.

分析了地铁列车运行过程中的受力情况，建立了地铁列车的力学模型；将基于事件的控制技术应用到地铁列车的控制中，通过引入运动参考变量，求出在以站间最小运行时间为最终目标的列车控制中，列车速度、加速度等关于列车运行距离的函数表达式，从而可以根据列车走行距离来实时调整和规划地铁的运行规律，避免人为因素或不确定性因素导致的列车运行晚点，为研究地铁列车的规划提供了一种新的方法。

The air damping, quadrature error, parasite Coriolis force and interference from axial accelerations are also discussed.

讨论了微机械陀螺中的空气阻尼、正交误差、寄生Coriolis力以及轴向加速度干扰等问题。

Roscopic survey technology uses dynamical tuning velocity gyro to measure the angular speed component of earth rotation; the quartz accelerometer measures the acceleration component of earth, the dip angle, azimuth angle, instrument side angle and some other parameters of well bore are calculated.

陀螺测斜技术以动力调谐速率陀螺测量地球自转角速率分量和石英加速计测量地球加速度分量为基础，经计算得出井筒的倾斜角、方位角、工具面角等参数。

This development is based on the most widely used constant average acceleration method.

这项发展是基於开发一个和广泛被采用的等平均加速度积分法具有相同特性的外显示积分法。

The explicit form of this method is very similar to that of the Newmark explicit method while its numerical characteristics are exactly the same as those the constant average acceleration method.

此新发展的外显式积分法其一般式和Newmark外显式积分法非常相似，然而，它的数值特性却完全与等平均加速度积分法一样。

It is shown from the results that the acting force and vibrating acceleration are increased due to its axle load, however, the dynamics interaction between 25 t load wagon and the turnout can be improved by the rubber stack in its axle box, especially in the index such as derailment coefficient, reduction rate of wheel load, opening size of tongue rail and point rail, which is almost equal to the dynamics of 21 t axle load wagon.

结果表明尽管轮轨力和振动加速度因轴重增加而相应增大，但由于25t轴重货车在轴箱处采用橡胶堆，使它与道岔之间的动态相互作用有所改善，尤其是脱轨系数、减载率、尖轨和心轨前端开口量等指标上，与21t轴重货车引起的系统振动值基本一致。

An improved derivative estimation algorithm with a low-pass filter that can suppress the influence of high-frequency noise is suggested to remove potential drawbacks of the backward difference that was applied in neural network inversion dynamic compensation method, such as large estimation error in the presence of noise and price increase of hardware realization when high estimation accuracy is required.

针对神经网络逆动态补偿策略中基于向后差分的微分估计算法在噪声环境下存在较大的微分估计误差，且提高估计精度会增加硬件成本等缺陷，提出了改进的微分估计算法，并以加速度传感器为例，设计了动态补偿实验装置，给出了基于改进的微分估计算法的动态补偿算法的实现步骤。

The movement characteristic analysis of elbow-bar framework is dealt with to gain displacement, velocity and acceleration of moving bedplate by adopting polar coordinates vector method.

具体内容和创新归纳如下：1 采用极坐标矢量法对肘杆机构进行了运动特性分析，得到活动平台的位移、速度和加速度等参数。

Besides the traditional fields of aviation medicine such as high altitude hypoxia, acceleration tolerance, flight illusion, etc., the emphasis of research work should be placed even more on the pilot selection, health care, aeromedical training and aviation ergonomics in the future, and on the establishment of the integrated and systemic aeromedical support measures, so as to provide entirely physiological protection to the pilots working in severe environments, and to optimize the ergonomic design of man-machine interface for improving human capabilities in flight.

未来军事航空医学研究在重视高空缺氧、加速度耐力、飞行错觉等传统问题的同时，应更加关注飞行人员选拔、健康维护、航空医学训练、航空工效等热点问题，并建立航空综合系统的卫勤保障措施，力求为处于严酷环境中的飞行人员提供全面的生理防护和高效的卫勤保障，并优化人机界面工效学设计，充分发挥人的因素作用。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了