【摘要】 简述了小波包分析原理 ,阐明其具有良好的时频局部化特性 ,能对非平稳信号进行有效识别 ,可有效区别不同故障。结合实例验证了其用于故障诊断的优越性更多还原

【Abstract】 Analysis principle of wavelet packet is briefly introduced, the wavelet with good localization characteristics is set forth, the effective identification can be carried out on non_stationary signal, and the different troubles may be effectively distinguished. The advantage of trouble diagnosis is verified combining with examples.更多还原