# Accurate frequency estimation of multiple complex and real sinusoids based on iterative interpolation

> Research article (Digital Signal Processing, 2021) · cited 23× · AI/ML

**Wikidata**: [openalex:W3184576552](https://www.wikidata.org/wiki/openalex:W3184576552)  
**Source**: https://4ort.xyz/entity/accurate-frequency-estimation-of-multiple-complex-and-real-sinusoids-based-on-iterative-interpolation