# Underdetermined Source Separation of Bearing Faults Based on Optimized Intrinsic Characteristic-Scale Decomposition and Local Non-Negative Matrix Factorization

> Research article (IEEE Access, 2019) · cited 43× · AI/ML

**Wikidata**: [openalex:W2910874004](https://www.wikidata.org/wiki/openalex:W2910874004)  
**Source**: https://4ort.xyz/entity/underdetermined-source-separation-of-bearing-faults-based-on-optimized-intrinsic-characteristic-scale-decomposition-and-