Vibration signal contains plenty of state messages of equipments and vibration signal can reflect the running state of machine most rapidly and most directly among these messages.

• 由于机组的振动总是伴随着机器运转而始终存在着,振动信号蕴含了丰富的机组内部的状态信息,充分剖析振动信号的特征信息,可以为故障诊断提供重要证据。