2 papers
eess.SP2026
End-to-End Neural Decomposition with Koopman Operators for Time-Series Forecasting
De-Yan Lu, Xugang Lu, Yu Tsao +1
Koopman theory offers a linear-operator view of nonlinear sequence dynamics by lifting observations into a space where evolution is governed by a linear time-invariant Koopman oper…
math.NA2024
High-Order Synchrosqueezed Chirplet Transforms for Multicomponent Signal Analysis
Yi-Ju Yen, De-Yan Lu, Sing-Yuan Yeh +2
This study focuses on the analysis of signals containing multiple components with crossover instantaneous frequencies (IF). This problem was initially solved with the chirplet tran…