DETECTING POINT-LIKE SOURCES OF UNKNOWN FREQUENCY SPECTRA | Zendy

Raffaele Solimene | Zendy; Giuseppe Ruvio | Zendy; Angela Dell’Aversano | Zendy; Antonio Cuccaro | Zendy; Max J. Ammann | Zendy; Rocco Pierri | Zendy

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DETECTING POINT-LIKE SOURCES OF UNKNOWN FREQUENCY SPECTRA

Author(s) -

Raffaele Solimene,

Giuseppe Ruvio,

Angela Dell’Aversano,

Antonio Cuccaro,

Max J. Ammann,

Rocco Pierri

Publication year - 2013

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb13030414

Subject(s) - point (geometry) , spectral line , computer science , acoustics , physics , mathematics , astronomy , geometry

The problem of detecting point-like sources whose frequency spectrum is unknown is addressed. Limitations of single- frequency approaches are identifled by analytical as well as numerical arguments. To overcome these limits, difierent multifrequency approaches which combine frequency data incoherently are compared. In particular, a novel multifrequency MUSIC-like algorithm based on interferometric concepts is proposed. Results show that the algorithm outperforms other methods under comparison.

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