The principle and method of measuring the acoustic speed CVD diamond film with piezoelectric film detecting laser ultrasonic system are presented.
本文介绍了压电薄膜检测的激光超声系统对CVD金刚石膜声速测量的原理及方法。
In our country, we mainly use ultrasonic detecting method, the mainly equipments are the big detector train and the rail detector.
我国钢轨的探伤主要采用超声波检测方法，设备主要有大型探伤车和小型探伤仪。
A practical and effective ultrasonic inspection method for detecting internal flaw of brake disc is put forward and the key procedure is to select a proper probe.
提出运用超声检测的方法检测制动盘内部缺陷是切实可行的，而选择合适探头是超声检测成功的关键。
This paper Studies and analyzes on data fusion for Ultrasonic adhesive detecting by D-S theory of evidence. The result shows that the fusion method is feasible.
采用D-S证据理论，提出了利用声激励和超声探头检测金属与非金属粘接状态的融合方法，并进行了验证分析。实验证明，提出的方法是可行的。
The detection method for fruiter shape based on the ultrasonic distance measuring was studied after analyzing the detecting mechanism for fruiter shape in this paper.
为此，在分析果树外形检测机理的基础上，研究了基于超声波测距的果树外形检测方法。
An introduction is made of the detecting method of the automatic and ultrasonic defect detection system for welded pipes and the major technological parameters of the probes used in China.
介绍了国内焊管自动超声波探伤系统的探伤方法和探头的主要工艺参数，分析了国内焊管制管过程中超声波自动探伤系统耦合部分存在的问题。
The invention provides a transducer specialized for polyethylene pipeline weld ultrasonic wave detection, which has a simple detection method, high sensitivity and reliable detecting result.
本发明提供了一种聚乙烯管道焊缝超声波检测专用换能器。
This study puts forward an auto-detecting method of detecting the precision of dial gauges based on traveling wave ultrasonic motor and FPGA.
研制了基于行波超声波电机与步进电机驱动的机器人多自由度机械臂精密定位控制系统。
This paper mainly presents the method of Laser ultrasonic exciting and EMAT detecting.
摘要本文主要介绍脉冲激光激发超声波、电磁传感器检出方案。
This paper mainly presents the method of Laser ultrasonic exciting and EMAT detecting.
摘要本文主要介绍脉冲激光激发超声波、电磁传感器检出方案。
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