1) Small angle longitudinal wave testing
小角度纵波检测
2) small angle longitudinal wave probe
小角度纵波探头
1.
The ultrasonic detecting method, using small angle longitudinal wave probe injecting from header side, along with the big angle short front edge and small crystal chip bevel probe injecting from tubeseat side, is proved effective, through theoretical analysis, laboratory and application tests, for flaw detection of tubeseat fillet weld of small tube on header.
采用小角度纵波探头从集箱侧入射,配合大角度、短前沿、小晶片斜探头从管座侧入射的超声波检验方法对锅炉集箱小径管管座角焊缝进行检验,经理论分析、试验室及现场应用试验证明,该方法具有灵敏度高、易于应用等特点。
3) tilting probe
小角度纵波斜探头
1.
Cracks around high temperature bolt stud and thread root of high pressure vapor riser and governing valve are checked with ultrasonic detection by using single-straight probe and tilting probe.
分别使用普通单直探头和小角度纵波斜探头对火电厂高压导汽管和调速汽门两类柔性无中心孔高温紧固螺栓杆部、螺纹根部环向裂纹进行超声波检测试验,结果表明两种探伤方法均能在基准灵敏度下有效地对裂纹缺陷进行检出,但是使用普通单直探头方便快捷,检出的裂纹波幅明显高于小角度纵波斜探头方法。
4) wavelet detection
小波检测
1.
After formed a tracking signal from outputs of IMU, and based on special properties of the edge and rapidness in wavelet transform domain, a wavelet detection signal is proposed.
该算法利用惯性敏感器的输出残差来建立用于检测突变信号的跟踪信号,并利用信号边沿或快变部分小波系数表现出的特性,构造了一种小波检测信号,通过小波检测有效地抑制了外界的干扰。
5) angle detection
角度检测
1.
Research of winding angle detection system based on computer vision;
基于计算机视觉的缠绕角度检测系统
6) wavelet multi-scale edge detection
小波多尺度边缘检测
1.
The wavelet multi-scale edge detection is adopted to emulate vision system,confining probability of edge(POE) with the root meam square(RMS) of Reynold identical equations which is revised by wavelet multi-resolution analysis,to derive a new algorithm based on wavelet scale.
采用小波多尺度边缘检测法来仿效视觉系统,将边缘概率(POE)与经小波多分辨分析法改造后的雷诺一致性方程的均方根(RMS)结合,得到基于小波多尺度POE算法。
2.
Then design wavelet multi-scale edge detection algorithm based on fuzzy theory.
给出了对常用的几种算子进行边缘检测后的轮胎激光剪切散斑干涉图像,并分析了其在处理图像时的不适用性,设计出基于模糊理论的小波多尺度边缘检测算法。
补充资料：纵波
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