摘要
通过对谐波小波相位特性的理论分析 ,结合仿真信号进行分析研究 ,针对其相位谱难以理解的问题 。
Based on theory analysis of its phase characteristic, together with emulated signal, reconstructed\|phase map is offered to figure out the difficulty of phase map' discrimination.
出处
《机电工程》
CAS
2003年第4期62-64,共3页
Journal of Mechanical & Electrical Engineering
关键词
机械设备
故障诊断
谐波
小波
相位谱
harmonic wavelet
reconstructed\|phase map
fault diagnosis