Article ID Journal Published Year Pages File Type
5776226 Journal of Computational and Applied Mathematics 2017 8 Pages PDF
Abstract
In this paper we propose a new fast Fourier transform to recover a real non-negative signal x∈R+N from its discrete Fourier transform x̂=FNx∈CN. If the signal x appears to have a short support, i.e., vanishes outside a support interval of length m
Keywords
Related Topics
Physical Sciences and Engineering Mathematics Applied Mathematics
Preview
A sparse fast Fourier algorithm for real non-negative vectors
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