# Nuisance alarm reduction: Using a correlation based algorithm above differential signals in direct detected phase-OTDR systems

> Research article (Optics Express, 2019) · cited 29× · AI/ML

**Wikidata**: [openalex:W2918752890](https://www.wikidata.org/wiki/openalex:W2918752890)  
**Source**: https://4ort.xyz/entity/nuisance-alarm-reduction-using-a-correlation-based-algorithm-above-differential-signals-in-direct-detected-phase-otdr-sy