介绍了利用激光光栅干涉技术进行冲击加速度校准的一种方法，并着重讨论微分加速度的动态特性校准。
An accelerometer shock dynamic calibration method with a grating laser interference technique is described, and the differential acceleration evaluation is specially discussed.
由气门加速度积分和气门升程微分得到两路气门速度信号。
Two kinds of valve velocity data were got from valve acceleration integral and displacement differential.
研究表明，追逃双方机器人的控制作用使得彼此的加速度方向一致时，双方都取得最优控制策略，同时也证明了微分对策方法在处理碰撞问题时的有效性。
The research indicates that the controlling strategy is optimal when they have the same acceleration direction, and the differential games are efficient in dealing with collision problem.
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