Phase Retrieval for [Formula omitted] via the Provably Accurate and Noise Robust Numerical Inversion of Spectrogram Measurements

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Phase Retrieval for [Formula omitted] via the Provably Accurate and Noise Robust Numerical Inversion of Spectrogram Measurements

Iwen, Mark; Perlmutter, Michael; Sissouno, Nada; Viswanathan, Aditya

The Journal of fourier analysis and applications, 02/2023, Letnik: 29, Številka: 1

Journal Article

In this paper, we focus on the approximation of smooth functions Formula omitted, up to an unresolvable global phase ambiguity, from a finite set of Short Time Fourier Transform (STFT) magnitude (i.e., spectrogram) measurements. Two algorithms are developed for approximately inverting such measurements, each with theoretical error guarantees establishing their correctness. A detailed numerical study also demonstrates that both algorithms work well in practice and have good numerical convergence behavior.

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Iwen, Mark | Perlmutter, Michael | Sissouno, Nada | Viswanathan, Aditya

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Leto	Faktor vpliva		Izdaja		Kategorija		Razvrstitev
Leto	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

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