Showing math.OCShow all
2 papers · 1 filter
math.OC2026
Line Spectral Estimation Using a G-Filter: Atomic Norm Minimization with Multiple Output Vectors
Jiale Tang, Bin Zhu
We propose an atomic norm minimization (ANM) estimator of frequencies in a noisy complex sinusoidal signal that integrates Georgiou's filter bank (G-filter) with multiple output ve…
math.OC2026
Revisiting a Fast Newton Solver for a 2-D Spectral Estimation Problem: Computations with the Full Hessian
Ji Cheng, Bin Zhu
Spectral estimation plays a fundamental role in frequency-domain identification and related signal processing problems. This paper revisits a 2-D spectral estimation problem formul…