# A Recognition Method for Multi-Radial-Distance Event of Φ-OTDR System Based on CNN

> Research article (IEEE Access, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3208773291](https://www.wikidata.org/wiki/openalex:W3208773291)  
**Source**: https://4ort.xyz/entity/a-recognition-method-for-multi-radial-distance-event-of-otdr-system-based-on-cnn