Robust and tractable multidimensional exponential analysis

2024/04/17 by Mhaskar, H. N., Kitimoon, S., Raj, Raghu G.
#FOS: Electrical engineering #Signal Processing (eess.SP) #electronic engineering #information engineering

paper · doi:10.48550/arxiv.2404.11004

Abstract

Motivated by a number of applications in signal processing, we study the following question. Given samples of a multidimensional signal of the form f(\boldsymbolℓ)=∑_k=1^K a_kexp(-i⟨ \boldsymbolℓ, w_k⟩), w₁,⋯,w_k∈ℝ^q, \boldsymbolℓ∈ ℤ^q, |\boldsymbolℓ|

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