震源的起震装置，在爆炸震源的情况下，可能是一个爆炸机。
The source-initiation unit in the case of an explosive source is likely to be an electric blaster.
爆炸震源的地震纵波是脉冲性质的。周期振动是地震脉冲引起的次生振动。
A primary seismic wave from an explosive source is a pulse response, and its periodic vibration originates from seismic pulses.
结合地震反演方法和数值计算方法，研究了地下爆炸震源函数的特征以及介质特性对震源函数的影响。
The main characteristics of seismic source function in underground explosion are studied by seismological method and numerical method.
文章设计和介绍了低爆速细长震源药柱的结构和性能特征，并分析了该细长药柱的爆炸激发机制。
The structure and performance of the low detonation velocity and elongated source charge are designed and introduced, and explosive mechanism for the charge is also analyzed in this paper.
在此基础上，研制了垂直延迟叠加震源、聚能弹震源和爆炸地震锤震源。
On that basis, the vertical lapse stack source, energy concentrated bullet and explosive seismic hammer source have been developed.
理论和实践都表明，平行电极放电震源比较实用，而爆炸丝放电震源效率较高。
Both the theory and the practice show that the parallel electrode source is more practical, while the explosion wire source has a higher efficiency.
PHV在唐山地区的实验结果证明它能够稳定、有效的工作，而且优于其它非爆炸性震源。
Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.
PHV在唐山地区的实验结果证明它能够稳定、有效的工作，而且优于其它非爆炸性震源。
Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.
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