1) Sonication probe
超声探针
5) ultrasonic flaw detection
超声探伤
1.
Aiming at the on-site welding,installation and maintenance of small tube in boiler heating surface in thermal power plant,the process and the problems needing attention in ultrasonic flaw detection of small tube are described in order to improve the inspection accuracy and to prevent undetection,misjudgment and misdiagnosis.
针对火力发电厂锅炉受热面小径管的现场焊接安装、检修特点,阐述小径管对接焊缝超声探伤的工艺和应注意的问题,以提高检验的准确性,防止漏检、误判、错判等,从而有效地控制小径管对接焊缝的质量。
2.
Based on a data acquisition system for ultrasonic flaw detection, thepaper describes the effect of interference on data acquisition systems andmethods for the suppression of interference.
基于超声探伤的数据采集系统,提出了各种干扰对系统的影响及干扰的抑制方法。
3.
Ultrasonic flaw detection is widely used in many fields.
目前国内有许多厂家在研制和生产超声探伤设备，这些设备在国民建设中起到重要作用。
6) Ultrasonic testing
超声探伤
1.
A high-powered ultrasonic testing system based on ARM and DSP was provided,and the circuit conjunction of the main interface was analyzed.
提出了一种基于ARM与DSP方案的高性能超声探伤仪,并分析了关键接口电路。
2.
This paper provides a high-powered ultrasonic testing system based on DSP&FPGA,FPGA can be reconfigured in system by DSP′s GPIO interface, thereby the system can execute different tasks in different occasions, which makes the whole system very flexible.
提出了一种基于DSP与FPGA方案的高性能超声探伤仪,FPGA可以在DSP的控制下进行在系统编程,因此,仪器可以根据不同需要采用不同信号处理算法,使得仪器非常灵活。
3.
With the development of ultrasonic testing theory and modern IC technology, the ultrasonic testing method has been used widely and developed rapidly.
传统的超声检测系统中,PC机存在难以适应恶劣的工作环境,体积大,携带不方便,功耗大,数据传输率不高等问题,并且大部分便携式超声探伤仪缺乏对复杂数字信号处理算法的支持,因此开发与设计一种高性能、小型化的便携式超声探伤检测系统尤为重要。
补充资料：超声
超声
UltrasofliCS
是指超出人耳听力范围的高频声(频率超过20000Hz）。超声具有与一般声音共同的物理性质，还具有一些其他重要的物理特性，如能够成束发射，直线传导，方向性好。传导过程中遇有声阻抗不同的反射界面时产生反射、折射、聚焦和散焦等现象。用于临床诊断的超声频率一般为2～7.5MHz。频率越高，对组织结构的分辨力越强，但远场声能容易被组织吸收、衰减，不易穿透较深的层次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条