| 1. | Acoustic emission signal processor conditioner
声发射信号处理器 |
| 2. | Characteristics test of acoustic emission signal transmission in wave guiding rod
波导杆中声发射信号传播特性实验 |
| 3. | Acoustic emission rate
声发射信号 |
| 4. | The application of wavelet analysis on acoustic emission signal processing was studied in the thesis
论文对小波分析方法在声发射信号处理中的应用进行了全面深入的研究。 |
| 5. | The common problems confronted in the application of bp neural network on the pattern recognition of acoustic emission signal were studied
论文对bp神经网络在声发射信号模式识别应用中的共性问题进行了研究。 |
| 6. | The results of practical engineering application showed that the three methods can efficiently extract the features of acoustic emission signal
实际的工程应用结果表明：提出的三种方法能够有效地提取声发射信号的特征。 |
| 7. | Experimental results showed that the composites exhibited multiple damage modes and the characteristics of ae signals were remarkably affected by damage mechanism
实验分析表明，拉伸过程中破坏机制对声发射信号的特征具有显著影响，不同损伤模式的信号频谱特征存在明显的差异。 |
| 8. | It has shown that a good agreement between acoustic emission and transpiration , and the ae signal is a good water stress index for irrigation control
试验结果表明，作物在水胁迫下产生的声发射信号与蒸腾量等水分指标的一致性较好，对水分亏缺反应敏感，是一个良好的灌水指标。 |
| 9. | By use of gabor wavelet transform and mae technologies , the arrived time to sensors of transient ae signals of specific guided mode can be precisely obtained . as the result , the precision of leak location was improved
利用gabor小波变换方法对断铅声发射信号进行时频分析，通过确定某一频率下某一模态导波到达传感器的时间，较好地实现了声发射源定位。 |
| 10. | With the changing of the pressure of water - filled pipe , diameter of leak hole , distance of propagation , the energy and spectrum of pipe leak signal will change . based on this system , these laws were researched by means of experiment
通过对充液管道泄漏声发射检测实验，研究了泄漏声发射信号的能量和频谱随压力、泄漏孔径大小及传播距离变化的规律； 2 |
