printedcircuitboard相关论文
针对印制电路板关键轮廓特征提取难的问题,提出了一种将折边线转化为边界线,再进行关键轮廓线特征点提取的算法。该算法首先利用k......
针对印刷线路板凹陷和空洞缺陷难检测的问题,提出了一种基于背景连通域的线路板缺陷定位及识别方法。方法首先利用Gerber文件产生......
Research on Air Volume Affecting Separation of Recycled PCB Powder by High-frequency Vibration Separ
The aim of this paper is to explore the principle and optimal operation parameter of high frequency vibration air se......
Polybrominated Diphenyl Ethers in Indoor Environment during Waste Printed Wiring Boards Recycling Pr
The obsolete home appliances become an important category of waste electrical and electronic equipment(WEEE)since th......
In an attempt to raise the copper grade of Printed Circuit board(PCB),a carbonization treatment was investigated.The......
针对传统的决策树生成算法之不足,提出了两种改进算法。用实例说明改进处法具有更好的优化效果,且证明了传统算法是改进算法Ⅱ的特例......
本文介绍了实现印制电路板CAD/CAPP/CAM一体化所作的工作,重点解决了数控钻孔文件向没有通信接口的EXCELLON200数控钻床的传输问题,制定了印刷电路板CAD/CAPP/CAM的有关规......