该算法是基于小波包变换能量率--BP神经网络进行机械轴承故障分析，提供了3种轴承故障及正常运营数据，包括Normal.mat 正常轴承数据 +Inner.mat 内圈故障数据+Outer.mat 外圈故障数据+Ball.mat 滚动体故障数据(This algorithm is based on the wavelet packet transform energy rate --BP neural network for mechanical bearing fault analysis, providing three kinds of bearing fault and Normal operation data, including normal. mat Normal bearing data +Inner. Mat Inner ring fault data +Outer. Mat Outer ring fault data +Ball)