# Phase correlation functions: FFT vs. FHT

> Research article (ACTA IMEKO, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2927388420](https://www.wikidata.org/wiki/openalex:W2927388420)  
**Source**: https://4ort.xyz/entity/phase-correlation-functions-fft-vs-fht