# Identification of Abnormal Vibration Signal of Subway Track Bed Based on Ultra-Weak FBG Sensing Array Combined with Unsupervised Learning Network

> Research article (Symmetry, 2022) · cited 13× · AI/ML

**Wikidata**: [openalex:W4281686564](https://www.wikidata.org/wiki/openalex:W4281686564)  
**Source**: https://4ort.xyz/entity/identification-of-abnormal-vibration-signal-of-subway-track-bed-based-on-ultra-weak-fbg-sensing-array-combined-with-unsu