基于高频率分辨力谱估计技术与优化算法的 异步电动机转子故障检测新方法-A Detection Method for Rotor Fault in Induction Motors Based on High Frequency Resolution Spectrum Estimation Technique and Optimization Algorithm

功率谱估计和信号频率估计方法 周期图法 BT法-Power spectrum estimation and the signal frequency estimation methods periodogram