Acoustic emission instrument

Development of acoustic emission instrument

声发射仪器的发展

The experiment content is the acoustic emission instrument detects the process of the pipes ' plastic deformation until their rupture ; then the results can be obtained with Matlab programs .

实验内容是：声发射仪检测带环向穿透裂纹管塑性变形，直至断裂的过程。接下来，用Matlab编程算出结果。

A Computer-based Acoustic Emission Detecting Instrument for Partial Discharge within Power Capacitor

电力电容器局部放电微机化声发射检测装置

This paper describes the acoustic emission principle of the instrument and the way to realize the principle by using 8098 single-chip microprocessor .

论述了JSZ－1型机械故障声发射诊断仪的研制和该仪器的声发射原理及其用8098单片机实现该原理的方法。

On the basis of study on the burning characteristics of oxygen-poor fuel-rich propellant , such as frequency band and unsta-bility of burning acoustic signal , adopting the weak-signal testing circuit and computer , a new acoustic emission instrument for measuring burning rate of oxygen-poor fuel-rich propellant was developed .

通过研究贫氧推进剂的燃烧特性，主要是燃烧声信号的频带特性和不稳定特性，采用弱信号检测电路，并结合计算机技术，研制了用于贫氧推进剂燃速测试的新型声发射燃速仪。