In theory analysis the process for particle impacting,draw the affecting relation of signal output and vibration acceleration, vibration frequency, shock acceleration, validating the relation at testing.

• 阐述了影响PIND试验有效性的几个方面,从理论上对粒子碰撞的过程进行了分析,得出了振动加速度、振动频率、冲击加速度与粒子碰撞产生的输出信号之间的影响关系,并用试验进行了验证。