ultrasonic testing的例句大全

During the research, ultrasonic signal testing system was designated by adopting transform the average value of function to nought, optimizing of collection frequency and transducer frequency.

在研究过程中，采用零均值化、优化采样频率与探头频率的匹配等对超声信号频谱分析系统进行了标定。

Through designing and making simulation block for EBW seam , the ultrasonic C-scan testing method is studied.

设计制作电子束焊焊缝模拟对比试样, 利用模拟对比试样研究超声C扫描检测工艺.

ultrasonic is unacted on the light, color, electromagnetic radiation and so on, and can adapt to the severe environment. so nondestructive testing ( ndt) technologies based on ultrasonic are more and more popular, the ultrasonic ranging technology is one of them.

超声波不受光线、色彩、电磁干扰等影响，能适应较恶劣的环境，所以基于超声波的无损检测（简称NDT）越来越受到人们的关注，超声波测距就是其中之一。

the usl unit forms part of an automated line for inspection of assembled printed circuit boards, which includes automated optical, thermal and x ray testing as well as ultrasonic c scan examination.

USL负责的单元是在线检测印刷线路板，该系统包括光，热，及X射线检测，同时还有超声C扫描检测。

study on interpretation of data from ultrasonic non-destructive testing based on wavelet-immune system

基于小波免疫系统的超声无损检测数据判读研究

The mistaken operations possibly take place in ultrasonic C-scan testing of brazing quality, the difference between abnormal ultrasonic C-scan records and the right ones as well as their avoidance measures are described.

叙述超声波C扫描检验钎焊质量中可能出现的误操作，其所得的异常C扫描记录图与正确记录图间的差异及其避免方法。

The basic acoustic parameters of material include the velocity, attenuation coefficient and acoustic nonlinear parameter B/ A, etc. They all play important roles in the non-destructive test, ultrasonic tissue-mimicking materials properties testing and medical imaging.

材料的基本声学参数包括声速、声衰减系数、非线性声参量B/A等，它们在无损检测中的缺陷定位，仿组织材料的超声特性检测，以及医学成像中都有重要意义。

Development of Testing Stress Device by LCR Ultrasonic Wave

LCR超声波应力仪的研制

seamless and hot-stretch-reduced welded steel tubes for pressure purposes -- full peripheral ultrasonic thickness testing

承压无缝和热拉缩径焊钢管全周超声测厚

A novel technology of adaptive focusing that serves to the ultrasonic C scan imaging testing of electric contact brazing interface with arc surface by controlling the three dimensional precision working table, has been developed by presenting the algorithms of adaptive following the tracks of transducer focusing.

采用自适应跟踪探头聚焦轨迹算法研究了自适应聚焦技术，通过控制三维精密工作台实现了弧型电触头钎焊界面的C扫描超声检测。

ultrasonic method of material testing

超声材料试验法