第50届冲击、振动技术讨论会即将召开。此时,大家回顾过去2(?)年冲击、振动技术的进展,无不为之惊叹。人们会在这个重大盛会之际提出两个问题:促迸冲击、振动技术进展的基本要素是什么?影响未来发展的因素是哪些?回答这两个问题很简单一电子学。实验工作者之所以能分析复杂的振动讯号以及诊断机器与结构的故障,就是由于人们发展了一些实用的电测仪器。要是没有波形分析器和实时分析仪,要作振动记录信号的分析 The 50th shock, vibration technology forum will be held. At this point, everyone reviewed the past 2 (?) Years of shock, vibration technology, all are amazed. People will come up with two questions on this grand occasion: What are the basic elements of boosting shock and vibration technology progress and what are the factors that will affect future development? Both of these questions are simple to answer. The reason why laboratory workers can analyze complex vibration signals and diagnose faults of machines and structures is that people have developed some practical electrical measuring instruments. Without waveform analyzer and real-time analyzer, vibration signals should be analyzed