# Testing whether a signal is strictly periodic

> Research article (Astronomy and Astrophysics, 2021) · cited 27× · AI/ML

**Wikidata**: [openalex:W3199569300](https://www.wikidata.org/wiki/openalex:W3199569300)  
**Source**: https://4ort.xyz/entity/testing-whether-a-signal-is-strictly-periodic