acoustic spot
英 [əˈkuːstɪk spɒt]
美 [əˈkuːstɪk spɑːt]
听斑；位觉斑
双语例句
- Characteristic extraction of acoustic signals emitted from resistance spot welding process based on independent component analysis
基于独立分量分析的点焊特征声音信号提取 - This paper investigates energy distribution of air-borne acoustic signals in time-frequency domain during aluminum alloys spot welding in order to identify weld nugget states.
研究了铝合金点焊过程中声音信号的时频域能量分布，并应用它来识别点焊的熔核状态。 - Application of time-frequency analysis to air-borne acoustic signals of aluminum alloys spot welding
用时频分析法研究铝合金电阻点焊过程中的声音信号 - Furthermore, a pseudo surface acoustic wave is observed in fast coating and slow substrate combination by decreasing the size of the laser spot, which allows generating higher frequency than the cutoff frequency of this system.
进一步，采取减小激发激光光斑的办法，使激发出来的声表面波频率高于慢基底快涂层系统中的截止频率时，在慢基底快涂层系统中得到了伪表面波。 - Finally, the Al alloy ac resistance spot welding experiments are carried out, collecting the acoustic signal around spot welding nugget.
最后，进行了铝合金交流电阻点焊实验，采集了点焊熔核周围的热声信号。