表面缺陷

  • 网络surface imperfection;Surface flaw;Surface defect
表面缺陷表面缺陷
  1. 基于DSP的带钢表面缺陷实时检测系统的研究

    DSP-Based Real-Time Inspection System for Strip Surface Defects

  2. CSP板卷及冷轧镀锌板表面缺陷分析

    Surface Defects of CSP Strip , Sheets From Cold Rolled and Galvanized Strip

  3. 熔石英表面缺陷的CO2激光局部修复技术

    Local CO_2 Laser Treatment for Repair Surface Defect in Fused Silica

  4. 用SEM研究PAN基碳纤维的表面缺陷

    Study of surface flaw on PAN-based carbon fiber by SEM

  5. 圆柱体表面缺陷检测的ANSYS仿真

    ANSYS Simulation of Surface Cracks in Cylinder Measurement

  6. 本文重点研究了在带钢表面缺陷检测系统中,基于BP神经网络改进算法的缺陷识别算法。

    In this paper , the algorithms for defect classification based on BP neural network are discussed .

  7. SUSAN算子在微小轴承表面缺陷图像分割中的应用

    Application of SUSAN operator in image segmentation of micro bearings surface defect

  8. 而对大尺寸物体表面缺陷的在线检测,F·θ型式扫描系统是不能满足扫描要求的。

    However F. θ scanning system cannot meet the needs for on - line detection of surface defect in large size materials .

  9. 利用数字图像处理技术,设计出一种基于线阵CCD成像技术的轴承表面缺陷非接触在线检测系统。

    Based on CCD image measuring and image processing techniques , an online non-touch measuring system for measuring bearing pock is developed .

  10. 在GaN薄膜制备中,薄膜表面缺陷密度提取是改进质量的重要依据。

    Density Extraction of Defects is very important for the GaN film Surface and its result effect later processing .

  11. 以CSP热轧板生产的冷轧板表面缺陷主要是孔洞和翘皮缺陷,缺陷主要是由夹杂物引起的。

    The surface defects of CSP sheets are mainly holes and blisters and these defects are caused by inclusions too .

  12. 利用图像处理技术和可编程逻辑控制器(PLC)控制技术实现了对工件的几何尺寸和表面缺陷的自动检测。

    With the help of the digital image processing and programmable logic controller ( PLC ) technology , the geometric sizes and surface defect of the work piece are detected automatically .

  13. 对CSP热轧板表面缺陷分析发现缺陷主要是翘皮和麻面,翘皮主要是由夹杂物引起的;

    The surface defects of CSP hot strips are mainly laps and blisters and the laps is always caused by inclusions .

  14. 根据金属铜表面缺陷的特点,得出活性中心是位错端点的铜原子。(b)活性中心结构的稳定性。

    From the theories of defect and experimental results , it presents that the active centre of metal copper is not point defect , but the end point of dislocation , ( b ) The structure of the active centre is stable .

  15. φ650mm盘坯表面缺陷原因分析

    Analysis of surface defect for φ 650mm discoid bloom

  16. 本文将具有自适应滤波特性的经验模式分解(EMD)方法与Snakes模型相结合,提出了适用于高噪声复杂背景下表面缺陷图像检测的新方法。

    Combining the empirical mode decomposition ( EMD ) of self-adaptive filtering with Snakes model , a novel method is proposed to detect surface defect on complicated background image with high noise .

  17. CCD采集图像的实时在线处理和可疑缺陷的实时报警是该系统的创新之处,为其他金属表面缺陷检测(钢板、炮膛等)提供了范例。

    The innovations of this system are the real-time online processing of CCD collecting images and real-time alerting of suspicious image , which provides examples for the flaw detection of other metal surface . ( steel , artillery guns , etc. )

  18. 结果表明:提取混合加权向量与选择RBF神经网络的分类器,能够使网络的结构大大减少,同时具有识别速度和识别率上的优势,能够为带钢表面缺陷的在线实时检测提供软件方面的智能技术。

    The result indicate that it has the advantage of the speed of identifying and the rate of identifying at the same time , and can provide software aspect intelligence technique of online real-time inspection strip surface defect .

  19. 为了提高产品表面缺陷检测精度并降低检测成本,文章以E型磁环表面缺陷的自动检测为例,分析了产品表面图像的特征,提出了一种利用梯度直方图信息的图像自适应阈值分割算法。

    Taking for example auto-detection of surface defects of E-shape magnetic tach , this paper analyzes the characters of product surface images . An adaptive image segmentation algorithm based on information of gradient-histogram is presented to improve detection precision of product surface defects and reduce the cost .

  20. 运用显微镜、SEM-X光分析及DSC分析并找出了低发泡PVC-U整体门板表面缺陷的产生原因,提出了解决的办法。

    By using microscope , SEM X-ray analysis and DSC analysis , the reasons for causing the surface blemishes of low foamed PVC-U integral door plates are found out , and the solution is provided as well .

  21. 结果表明,综合吸除技术不仅能有效地改善W/N+硅外延片的电性能(τg)和明显地降低外延层上的表面缺陷密度,而且对硅片剖面的电阻率分布也无影响。

    Results shew that the combined gettering technology not only improves effectively the τ g of N / N + silicon epitaxial wafers and reduces evidently the density of surface defects on the epitaxial layers , but also gives no influences on the resistivity distribution cul the silicon wafer profiles .

  22. 采用特殊温区结构的Ga和In束源炉以及科学地调控升降温过程,可使外延材料表面缺陷密度从103/cm2降至10/cm2,为研制高质量激光器打下优良的材料品质基础。

    The defect density was reduced from 103 / cm2 to 10 / cm2 by using the cells with special temperature zone for Ga and In , which laid an excellent material foundation for the development of high quality lasers . 6 .

  23. 对表面缺陷进行了研究,发现了一种(10(1-)0)面的平面缺陷结构,该结构比AlN理想(10(1-)0)面更稳定,通过电子结构对原因进行了分析。

    The defect at ( 10 ( 1 | - ) 0 ) surface is studied and a planar-defect structure is found to be more stable in energy than the ideal surface for AlN . The origin is explored from electronic structure .

  24. 为了更深入地研究碳纤维材料对金属酞菁催化性能的影响,选择结构更加规整且表面缺陷更少的MWNTs作为载体,重点研究了CoTAPc-MWNTs对Rh6G的催化氧化性能及其催化机理。

    In order to further investigate the effect of carbon fiber materials on the catalytic performance of MPcs , the more structured MWNTs with less surface defects were chosen as the support .

  25. 通过实验获得了SAWs经过表面缺陷时产生的反射回波及透射波形的特征,说明了线光源产生的超声波非常适合材料表面缺陷的检测。

    From the experiment , we attain the characteristics of reflected wave and transmitted wave generated by SAWs interacted with the surface-breaking defects , which show that the SAWs generated by laser line source are potential for the surface-breaking defects .

  26. 在介绍了薄膜缺陷的特点及成因的基础上,分析了YbF3沉积速率对红外激光薄膜表面缺陷密度的影响,得出了镀制激光薄膜所需的合适速率。

    The properties and derivation of defects in thin film are introduced in this paper . The influence of the deposition rate of YbF_3 on the surface defect density of infrared laser thin film is analyzed .

  27. 实验采用移动线光源扫描技术(SLLS)研究了在不同激发源位置处激发的表面波与表面缺陷的相互作用,得到了一些有益的信息,为表面缺陷的检测提供了实验依据。

    The experiments utilize the technology of scanning laser line source ( SLLS ) and analyses the interaction between laser generated surface acoustic wave and small surface notch when the line source in different position . From the experiments some very important information are got .

  28. 低碳铝镇静钢表面缺陷控制

    The surface defects control of low carbon aluminium - killed steel

  29. 焊缝非匹配海管表面缺陷的安全评定

    Safe assessment of surface flaw under mismatched weld in offshore pipeline

  30. 便携式漏磁通表面缺陷检测装置

    A portable device for magnetic flux leakage detection of surface flaws