Daytime and night leak detection trial study of noise logger for water supply network
Due to large interference during the daytime and possibility of false alarm,acoustic leak detection is usually carried out at night.That is not consistent with the demand for real-time monitoring.Therefore,daytime and night acoustic leak detection test is carried out.The feasibility of daytime detection is explored by increasing the collection of daytime sound signals on site,comparing and analyzing the signal characteristics,time-frequency spectrum and machine learning algorithm recognition results of daytime/night sound signals.The test results show that the daytime detection accuracy and AUC value of the noise logger reach 0.890 and 0.959,respectively,and the whole day real-time monitoring is feasible.
noise loggerdaytime and night leak detectionacoustic leak detectionmachine learning algorithm
NETL
NSTL
万方数据
