| 1. | Study of pulsed eddy current nondestructive testing technology 脉冲涡流无损检测技术应用研究 |
| 2. | The study of pulsed eddy current imaging array probe used to detect corrosion 脉冲涡流腐蚀成像阵列传感器应用研究 |
| 3. | The research on quantitative detecting of defect using pulsed eddy current testing technology 基于脉冲涡流检测技术的缺陷定量检测研究 |
| 4. | The analysis and study of the working point of pulsed eddy current nondestructive testing system 脉冲涡流无损检测系统工作点的分析与研究 |
| 5. | The application of integrated hall sensor in pulsed eddy current nondestructive testing technology 基于集成霍尔传感器的脉冲涡流无损检测装置 |
| 6. | Research on quantification of different shape cross section cracks with pulsed eddy current nondestructive testing technology 脉冲涡流无损检测技术对不同截面形状裂纹的定量检测研究 |
| 7. | In this article , pulsed eddy current is used and then spectrum analysis is performed to extract characteristic of the signal . so we can make use of the information more effectively 为此,本文采用了脉冲涡流来进行测量,利用脉冲信号可以进行频谱分析的特点,对涡流信号进行频谱分析,提取信号特征,更有效的利用信号中包含的信息。 |
| 8. | The working principle of pulsed eddy current ( pec ) nondestructive testing technology is analyzed , the pec testing system was been established to examined the specimen of multi - layered aircraft structure , peak and zero - crossing time of the time domain transient response signal of pec are extracted as the features to detect the corrosion in the second layer of aircraft structure quantificationally , the experiment results are consistent with that of the theory analysis , as the pec have the advantages of fast speed and quantification , this makes the method have the broad using foreground in the testing of aircraft structure corrosion 摘要对脉冲涡流无损检测技术的工作原理进行了分析,建立了脉冲涡流的检测系统对加工的模拟飞机多层结构的试件进行了测试,提取其时域瞬态感应信号的峰值和过零时间作为特徵量,对出现在飞机多层结构第二层中的腐蚀缺陷进行了定量检测,试验结果和理论分析相一致,证明了脉冲涡流检测方法的有效性,由于其具有快速和定量化的优点因而在飞机结构的腐蚀检测中具有广阔的应用前景。 |