The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.
压力波的频谱分析表明在高装填密度装药中，采用第二种点传火方案能削弱和抑制压力波的高频振荡成分，改善其振动特性。
The dynamic characteristic of the liquid floated integral gyro under over loading and vibration compound dynamical environment is studied by finite element method.
采用有限元数值计算方法对液浮积分陀螺仪在过载-振动复合环境中的动力学特性进行研究。
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