【摘要】 在管道泄漏故障中利用小波变换在信号处理方面的优势,对负压波信号进行多尺度分解,以准确捕捉压力突变点。得到较精确的时间差,提高了泄漏故障诊断的精度。更多还原

【Abstract】 In the pipeline leak fault diagnosis,the wavelet transformation was used in multi-scale decomposition in the negative pressure signals to capture the strange point.The fairly precise time difference was obtained,and this improves the accuracy of the leak fault diagnosis.更多还原