# Assessment of Mental Workload Level Based on PPG Signal Fusion Continuous Wavelet Transform and Cardiopulmonary Coupling Technology

> Research article (Electronics, 2024) · cited 13× · AI/ML

**Wikidata**: [openalex:W4393235325](https://www.wikidata.org/wiki/openalex:W4393235325)  
**Source**: https://4ort.xyz/entity/assessment-of-mental-workload-level-based-on-ppg-signal-fusion-continuous-wavelet-transform-and-cardiopulmonary-coupling