| 小波包分析在摩擦焊超声检测信号消噪中的应用 |
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| 引用本文： | 郭建平,王玉,王文英.小波包分析在摩擦焊超声检测信号消噪中的应用[J].航空精密制造技术,2006,42(3):41-43. |
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| 作者姓名： | 郭建平 王玉 王文英 |
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| 作者单位： | 西北工业大学机电学院,西安,710072;西北工业大学机电学院,西安,710072;西北工业大学机电学院,西安,710072 |
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| 摘 要： | 采用小波包对摩擦焊缺陷超声检测信号进行消噪,结果表明,该方法不仅能有效抑制噪声,而且能明显提高信噪比。
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| 关 键 词： | 伪结合 信噪比 小波包 消噪 |
| 文章编号： | 1003-5451(2006)03-0041-03 |
| 修稿时间： | 2005年9月6日 |
Application of Wavelet Packet Analysis Method to Signal Denoising in Ultrasonic Testing of Friction Welded Joints |
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| GUO Jian-ping,WANG Yu,WANG Wen-ying.Application of Wavelet Packet Analysis Method to Signal Denoising in Ultrasonic Testing of Friction Welded Joints[J].Aviation Precision Manufacturing Technology,2006,42(3):41-43. |
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| Authors: | GUO Jian-ping WANG Yu WANG Wen-ying |
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| Abstract: | The wavelet package to denoising ultrasonic inspection signal of the weak bounding defect in friction welding was used. The result showed that the noises were depressed, signal-to-noise ratio (SNR) is improved by using the method. |
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| Keywords: | weak bounding defect signal-to-noise ratio wavelet package denoising |
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