讨论了脉冲激励幅值以及系统阻尼等对冲击谱的影响规律。
The regular pattern of influence on impact spectra by amplitude of pulse excitation and system damping was discussed.
在阻尼不是很大的情况下,速度脉冲效应是较大的。
The effect of velocity pulse is significant in low damp the case.
阻尼使非线性包装系统位移峰值和加速度峰值明显降低,但对脉冲持续时间几乎无影响。
The damping can obviously decrease the peaks of displacement and acceleration of nonlinearcushioning system, but has on effect on the pulse duration.
工件放入线圈中不动,线圈在放电瞬间产生脉冲阻尼衰减磁场,使工件失去磁性。
Add the workpiece fixed in the coil, coil discharge at the moment have a damping pulse magnetic field decay, so that the loss of magnetic parts.
同时,基于RLC串联谐振电路的临界阻尼特性,设计了脉冲成形单元。
The pulse forming unit is designed based on the critical-damping characteristics of RLC series-resonant circuit.
研究表明:无量纲脉冲激励幅值、无量纲脉冲激励周期、系统支承角及阻尼等对系统响应峰值影响显著。
It was concluded that the effects of peak pulse acceleration, pulse duration, Angle of tilted support spring and damping ratio of the system are particularly noticeable.
对几类函数波形和一组实测高空核爆电磁脉冲(HEMP)波形的验证结果表明,HEMP波形、余(正)弦阻尼振荡波形等信号的重建波形与原始波形符合很好。
The reconstruction of minimum phase signal, such as the HEMP waveform, cosine or sine exponentially damped waveform etc, shows good agreement with the original.
一种算法产生具体的脉冲序列,该脉冲序列改变宽度使得从系统设备传输给负载的电压或电流非常类似于临界阻尼阶跃响应。
An algorithm produces a specific sequence of pulses of varying width such that the voltage or current delivered to the load from the system plant closely resembles a critical damped step response.
本文根据脉冲响应时间序列的峰值及其对应的时间序列计算频率、阻尼、幅值和相位。
The time domain peak value method is presented and identification of parameters from the time series with single frequency is carried out.
本文根据脉冲响应时间序列的峰值及其对应的时间序列计算频率、阻尼、幅值和相位。
The time domain peak value method is presented and identification of parameters from the time series with single frequency is carried out.
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