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- W3141998958 abstract "弧声音作为为焊接穿入地位监视并且控制的潜在、可得到的资源众所周知，它对焊接过程质量控制很重要，因此任何注意对在弧声音和焊接参数之间的关系被给予了。相关的一些非线性的印射模型到焊接参数的弧声音在神经网络的帮助下被建立了。然而，利用弧声音监视并且诊断焊接过程的研究仍然在它的幼年期。白手起家的即时察觉到系统被使用在典型穿入地位下面做弧声音的研究包括部分穿入，不稳定的穿入，完整的穿入和过多的穿入，在金属惰性气体(米格式飞机) 完全定制与水花转移焊接。弧声音是由使用降噪的小浪的 pretreated，描绘并且短时间的 windowing 技术，和它的特征焊接穿入地位时间域，频率域， cepstrum 域并且几何域被提取。随后，高度维的特徵向量被构造，特征级的参数成功地被熔化利用主要主要部件分析(PCA ) 的概念。最终， 60-demensional 特徵向量被 8-demensional 向量的合成代替，它完成压缩特征空格并且在以后焊接的米格式飞机在弧声音的帮助下为典型穿入地位的模式分类提供技术支持。" @default.
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- W3141998958 date "2012-01-01" @default.
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- W3141998958 title "Feature Extraction and Dimensionality Reduction of Arc Sound under Typical Penetration Status in Metal Inert Gas Welding" @default.
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