# Relaxation of the Radio-Frequency Linewidth for Coherent-Optical Orthogonal Frequency-Division Multiplexing Schemes by Employing the Improved Extreme Learning Machine

> Research article (Symmetry, 2020) · cited 16× · AI/ML

**Wikidata**: [openalex:W3016818269](https://www.wikidata.org/wiki/openalex:W3016818269)  
**Source**: https://4ort.xyz/entity/relaxation-of-the-radio-frequency-linewidth-for-coherent-optical-orthogonal-frequency-division-multiplexing-schemes-by-e