| 1. | 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 |
| 2. | For this aim , the principle of the nondestructive testing is researched and the laser ultrasonic nondestructive testing system is designed
鉴于此目的,对无损检测原理进行了研究,并设计了一种激光超声无损检测系统。 |
| 3. | The laser ultrasonic nondestructive testing system include detecting of the light signal , amplification , demodulation and signal processing
激光超声无损检测系统主要包括光信号探测、信号放大、信号解调以及后续的信号处理等几个部分。 |
| 4. | Most laser ultrasonic nondestructive testing systems are based on the heterodyne principle , but the laser ultrasonic nondestructive testing system which is based on the homodyne principle
而且目前所研制的激光超声无损检测系统基本上采用外差干涉的方式,而零差干涉方式国内尚未见到有相关报道,这属于论文的主要创新点。 |
| 5. | So the research of intelligent electromagnetic nondestructive testing system that can inspect hardness effectively and vapidly is significant for improving the quality of steel and iron product and productivity
为此，研究智能电磁无损检测系统,实现对硬度的有效快速检测，对于提高钢铁产品质量和生产效率具有重要意义。 |
| 6. | The paper describes the design thought , inspection principle of the intelligent electromagnetic nondestructive testing system ( wfy - 1 instrument ) , introduces the whole design procedure of analogue system , digital system and software system
本文详细论述了智能电磁无损检测系统（ wfy - 1仪）的设计思想和检测原理，详细介绍了系统的模拟部分，数字部分以及软件部分的整个设计过程。 |
| 7. | The signal - to - noise ratio of the nondestructive testing system employing optical heterodyne and ultrasonic techniques is analyzed and calculated from two aspects including phase matching of optical heterodyne measurement in nondestructive testing and the effects of beam incidence on the intensity of heterodyne signal and signal beam
对光外差超声无损探伤系统的信噪比从两个方面入手进行了计算分析:第一,光外差测量在无损探伤中的相位匹配;第二,光束入射角对信号光光强和外差信号强度的影响。 |
