声发射是一种新的切削刀具状态的监测方法。
Acoustic emission (AE) is a new method for cutting tool condition monitoring.
钢中夹杂物对材料声发射现象有较大的影响。
The inclusion in steel deeply affected the acoustic emission of material.
天然地震实际上是地球介质的一种声发射现象。
Natural earthquakes are actually phenomena of acoustic emission of earth medium.
介绍了光纤声发射传感器的原理、系统组成。
The principle, system composition of the transducer are introduced.
随着应力强度因子的下降，声发射也随着减少。
The acoustic emission also shows a decreasing rate, following the drop in stress-intensity factor.
大量的实践证明，声发射技术具有很强的实用性。
Large number of practices prove that acoustic emission technology owns very strong practicality.
三角网络定位法是先进的声发射系统的定位方法。
Triangular source location method is the main method of advanced AE systems.
介绍了声发射技术的概念、应用背景及基本工作原理。
The conception, application background, basic work principle of sound emission technology are introduced.
畸变产物耳声发射；声阻抗；高危新生儿；听力筛查。
Distortion - product Otoacoustic Emission (DPOAE); Impedance Audiometry; risk newborn; Hearing screening.
材料的化学成份，显微组织等强烈影响磁声发射强度。
The chemical compositions and microstructure of materials intensively influence the strength of MAE.
本文主要介绍了岩体声发射技术在小铁山矿的应用与实践。
The application and practice of acoustic emission technology of rock mass was presented in this paper.
在临界压力附近，钻孔冲击前后的应力降及声发射急剧增加。
The stress drop and acoustic emission change sharply before and after the burst in the borehole.
介绍了利用声发射技术确定有缺陷压力容器能否继续使用和安全运行的条件。
This article introduces how to determine the conditions under which a defective pressure vessel can continue to use and operate in a safety way, by means of acoustic emission technique.
依据这一模型，分析了单轴压缩时岩石破坏阶段声发射特性与压机刚度的关系。
The relation between AE characteristics during rock failure and machine stiffness is analysed under uniaxial compression with the above model.
通过对声发射技术的理解，结合采矿工程中关键层理论，将其应用到蹬空开采中。
Through to acoustic emission technology understanding, in the light of the mining engineering key stratum theory, applies it in overhead mining.
文章根据污秽放电伴随的超声信号，提出用声发射信号来反映绝缘子的污闪过程。
In this paper, the method which can judge the working condition of the insulator based on the acoustic emission is given (AE method).
在岩石力学实验中，声发射源定位的研究方法，是实验室声发射研究的重要方面。
In rock mechanics experiment, the source location methods of acoustic emission (AE) is an important aspect of experimental AE research.
模态声发射在检测过程中采集几千个波形，其中只有一部分是裂纹生长所产生的。
MAE can result in the capture of thousands of waveforms during a test, of which only a few will be the signals from crack growth.
采用含预制裂隙大理岩块试件，对压剪应力场中试件破坏过程声发射特征进行研究。
An experimental approach on the characters of acoustic emission (AE) of marble samples withpre-existing cracks under compression is carried out.
从而提出，可根据混凝上受载后的声发射特征来评价和估计混凝土材料的损伤程度。
Therefore, it is proPOsed that the damage degree of concrete can be evaluated and estimated by using AE characteristics.
电磁声发射技术是一个新技术，对其产生机理以及应用的理论分析是非常有必要的。
As a new technique, much work is needed to theoretically study its principle and application.
目的了解噪声对飞行员畸变产物耳声发射(DPOAE)的影响及其与纯音听阈的关系。
Objective to investigate the effect of noise on DPOAE in pilots and its relation with pure tone auditory thresholds.
声发射探测技术是监测由局部放电引起的液—固复合绝缘电力设备的突发性故障的有效方法。
Acoustic emission detection technology is an effective way to monitor sudden failure caused by partial discharge (PD) in liquid-solid composite insulation of electrical equipment.
本课题首次将声发射监测技术应用于起重机梁的安全评价，从而扩展了声发射技术的应用领域。
This subject applies AET to safety assessment of crane beam first, so extend the application area of AET.
最后通过对能反映源特征的频带信号进行重构，这样能更好更有效的提取声发射信号的本质特征。
At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
最后通过对能反映源特征的频带信号进行重构，这样能更好更有效的提取声发射信号的本质特征。
At last, we recomposed some frequency band of wavelets, and the results can efficiently extract the features of acoustic emission signal.
应用推荐