A Double Fourier-Transform Imaging Algorithm for a 24 GHz FMCW Short-Range Radar.

Renato Cicchetti, Stefano Pisa, Emanuele Piuzzi, Orlandino Testa

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Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 authors.

Renato CicchettiDepartment of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy.ORCID 0000-0002-4149-871X

Stefano PisaDepartment of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy.ORCID 0000-0001-9669-8105

Emanuele PiuzziDepartment of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy.ORCID 0000-0002-3822-139X

Orlandino TestaDepartment of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, 00184 Rome, Italy.ORCID 0000-0001-9981-2882

Funding

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6 · The paper itself

Abstract

A frequency-modulated continuous-wave radar for short-range target imaging, assembling a transceiver, a PLL, an SP4T switch, and a serial patch antenna array, was realized. A new algorithm based on a double Fourier transform (2D-FT) was developed and compared with the delay and sum (DAS) and multiple signal classification (MUSIC) algorithms proposed in the literature for target detection. The three reconstruction algorithms were applied to simulated canonical cases evidencing radar resolutions close to the theoretical ones. The proposed 2D-FT algorithm exhibits an angle of view greater than 25° and is five times faster than DAS and 20 times faster than the MUSIC one. The realized radar shows a range resolution of 55 cm and an angular resolution of 14° and is able to correctly identify the positions of single and multiple targets in realistic scenarios, with errors lower than 20 cm.

Indexed as

delay and sum (DAS)double Fourier transform (2D-FT)multiple signal classification (MUSIC)serial patch array antennashort range radar imaging system

Identifiers

PMID37112460

DOI10.3390/s23084119

PMCPMC10146528

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.