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Cui, Lingli; Huang, Jinfeng; Zhang, Feibin . (2017). Quantitative and Localization Diagnosis of a Defective Ball Bearing Based on Vertical-Horizontal Synchronization Signal Analysis. IEEE Transactions on Industrial Electronics, (), 1–1. doi:10.1109/TIE.2017.2698359 
10.1109/TIE.2017.2698359