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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 Chirp Signal and Graph Fractional Vertex-Frequency Energy Distribution
Manjun Cui, Zhichao Zhang, Wei Yao
Graph signal processing (GSP) has emerged as a powerful framework for analyzing data on irregular domains. In recent years, many classical techniques in signal processing (SP) have…