求翻译：分别论述了流量扬程法、噪声法、振动法、压力脉动法、电测法及图像法检测离心泵汽蚀的原理、提取信号特征的方法和各自的优缺点是什么意思？

Discusses the flow head method, the noise law, vibration, pressure pulsation, the electric method and the image detected by the principle of centrifugal pump cavitation, to extract the signal features and their advantages and disadvantages

On the way the Traffic Law, noise, vibration, pressure pulsations, electrical testing and image testing law centrifugal pump operation, the vapor corrosion inhibitor extract signal characteristics of the methods and their advantages and disadvantages

Elaborated the current capacity lifting law, the noise law, the swing meter, the pressure oscillation law, the electrical method and the image law examination centrifugal pump cavitation principle, the extraction signal characteristic method and respective good and bad points separately

Respectively flow head was discussed by law, noise, vibration, pressure pulsing method, measuring method and image laws detection principle of cavitation for centrifugal pump, method of signal feature extraction and their respective advantages and disadvantages

正在翻译，请等待...