# Real-time monitoring method for unauthorized working activities above the subway tunnel based on ultra-weak fiber Bragg grating vibration sensing array

> Research article (Measurement, 2021) · cited 31× · AI/ML

**Wikidata**: [openalex:W3174040335](https://www.wikidata.org/wiki/openalex:W3174040335)  
**Source**: https://4ort.xyz/entity/real-time-monitoring-method-for-unauthorized-working-activities-above-the-subway-tunnel-based-on-ultra-weak-fiber-bragg-