# Performance ratio prediction of photovoltaic pumping system based on grey clustering and second curvelet neural network

> Research article (Energy, 2019) · cited 60× · AI/ML

**Wikidata**: [openalex:W2908606342](https://www.wikidata.org/wiki/openalex:W2908606342)  
**Source**: https://4ort.xyz/entity/performance-ratio-prediction-of-photovoltaic-pumping-system-based-on-grey-clustering-and-second-curvelet-neural-network