基于声信号识别的焊后残余应力处理质量检测方法

陈一帆,吴倩,蒋凌,华亮

Detection method of post-weld residual stress treatment quality based on acoustic signal recognition

Yi-fan CHEN,Qian WU,Ling JIANG,Liang HUA

图5 焊后残余应力处理质量不同时声信号的梅尔倒频谱图对比

Fig.5 Comparison of Mel-cepstrogram of acoustic signals with different qualities of post-weld residual stress treatment