Answers are grounded in this paper and cite their sources.
We investigate relationships between the structure of a real object of compact support and the realness of the zeros of its Fourier transform. We introduce a necessary condition, and some sufficient conditions are presented for one-dimensional functions. A very useful property of the sinc function is also presented.
No takes yet. Share an insight, caveat, or question.
Noushin et al. (1999) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: