# A hybrid feature selection combining wavelet transform for quantitative analysis of heat value of coal using laser-induced breakdown spectroscopy

> Research article (Applied Physics B, 2021) · cited 16× · AI/ML

**Wikidata**: [openalex:W3121079990](https://www.wikidata.org/wiki/openalex:W3121079990)  
**Source**: https://4ort.xyz/entity/a-hybrid-feature-selection-combining-wavelet-transform-for-quantitative-analysis-of-heat-value-of-coal-using-laser-induc