# A Coarse TF Ridge-Guided Multi-Band Feature Extraction Method for Bearing Fault Diagnosis Under Varying Speed Conditions

> Research article (IEEE Access, 2019) · cited 24× · AI/ML

**Wikidata**: [openalex:W2913725286](https://www.wikidata.org/wiki/openalex:W2913725286)  
**Source**: https://4ort.xyz/entity/a-coarse-tf-ridge-guided-multi-band-feature-extraction-method-for-bearing-fault-diagnosis-under-varying-speed-conditions