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Abstract:
分析了检测信号的频谱分布,采用小波分析的方法提取了能够描述点焊超声波频谱分布特征及功率特征的超声检测特征值.由这些检测特征值构成超声特征矢量,结合BP神经网络的模式识别功能对点焊直径进行精确分类与识别.与传统时域分析方法相比较,其备更高识别能力、更高的识别效率、更少的识别特征以及更小的外部干扰因素.
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Source :
焊接学报
ISSN: 0253-360X
Year: 2009
Issue: 10
Volume: 30
Page: 76-80
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 6
Chinese Cited Count:
30 Days PV: 5
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