# Harmonic peak locations based on the twice fast Fourier transform algorithm in a Sagnac intrusion sensing system

> Research article (Applied Optics, 2016) · cited 10× · AI/ML

**Wikidata**: [openalex:W2308013809](https://www.wikidata.org/wiki/openalex:W2308013809)  
**Source**: https://4ort.xyz/entity/harmonic-peak-locations-based-on-the-twice-fast-fourier-transform-algorithm-in-a-sagnac-intrusion-sensing-system