TY - JOUR T1 - Spectral analysis for nonstationary and nonlinear systems: a discrete-time-model-based approach. JO - IEEE Trans Biomed Eng PY - 2013/03/12 AU - He F AU - Billings SA AU - Wei H-L AU - Sarrigiannis PG AU - Zhao Y ED - DO - DOI: 10.1109/TBME.2013.2252347 VL - 60 IS - 8 SP - 2233 EP - 2241 Y2 - 2024/12/25 ER -