2 papers
eess.SP2026
A Unified Framework for 2D Nonseparable Fractional Fourier Transform: From Geometric Completeness to Applications
Daxiang Li, Zhichao Zhang, Wei Yao
The one-dimensional (1D) fractional Fourier transform (FRFT) generalizes the Fourier transform, offering significant advantages in the time-frequency analysis of non-stationary sig…
eess.SP2025
Graph Fractional Hilbert Transform: Theory and Application
Daxiang Li, Zhichao Zhang
The graph Hilbert transform (GHT) is a key tool in constructing analytic signals and extracting envelope and phase information in graph signal processing. However, its utility is l…