Inspec keywords: iterative methods; Gaussian processes; medical signal processing; signal reconstruction; spectral analysis; electroencephalography; blind source separation; time-frequency analysis

Other keywords: Priestley's evolutionary; TF representation; active sources; frequency content; TF BSS; EST; blind source separation problem; important tools; TF-based BSS problem; evolutionary spectral theory; nonstationary signals varies; bilinear TF methods; biosignals; nonstationarity; time–frequency representations; time-dependent

Subjects: Signal processing and detection; Mathematical analysis; Mathematical analysis; Other topics in statistics; Other topics in statistics; Signal processing theory