# RETRACTED: Comparison and application of wavelet transform and Kalman filtering for denoising in δ<sup>13</sup>CO<sub>2</sub> measurement by tunable diode laser absorption spectroscopy at 2.008 µm

> Research article (Optics Express, 2017) · cited 23× · AI/ML

**Wikidata**: [openalex:W4206024486](https://www.wikidata.org/wiki/openalex:W4206024486)  
**Source**: https://4ort.xyz/entity/retracted-comparison-and-application-of-wavelet-transform-and-kalman-filtering-for-denoising-in-sup-13-sup-co-sub-2-sub-