SDR-based Radar for Human Detection

Marcelo B.  Perotoni; Kenedy M. G. dos  Santos; Danilo B.  Almeida; Daniel  Jonathas

doi:10.13052/2022.ACES.J.370710

作者

Marcelo B. Perotoni UFABC, Santo Andre, SP, 09210-580, Brazil
Kenedy M. G. dos Santos IFBA, Vitoria da Conquista, BA, 45078-900, Brazil
Danilo B. Almeida IFBA, Vitoria da Conquista, BA, 45078-900, Brazil
Daniel Jonathas IFBA, Vitoria da Conquista, BA, 45078-900, Brazil

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https://doi.org/10.13052/2022.ACES.J.370710

关键词:

Radar, Microwave systems, Software-defined radio

摘要

Software-defined radios (SDRs) have been applied to several applications, taking advantage of their inherent versatility. It is reported a low-cost radar intended to detect human activity, at the frequency of 4.1 GHz, with an SDR on the receiving branch and a programmable RF synthesizer operating as a continuous-wave transmitter. Amplitude variations on the received signal indicate human activity, its operation is tested in indoor and outdoor scenarios. The interface to the SDR is performed using the open-source tool GNU Radio. It was possible to detect human movement at a maximum distance of 9 meters, in an open area. The system is versatile in terms of power and frequency, totally controlled by software in a transparent and straightforward way.

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##submission.authorBiographies##

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Marcelo B. Perotoni Electrical Engineer (UFRGS, Porto Alegre, Brazil) received an Ms.C. and Ph.D. in Electrical Engineering from USP(Sao Paulo, Brazil). He is currently a professor at UFABC.

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Kenedy M. G. Santos has a B.Sc. in Electrical Engineering (PUC MG), an M.Sc. in Electrical Engineering UFMG, and a PhD. in Electrical Engineering UFBA. Currently, he is a professor at IFBA. He has experience in EMC

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Danilo B. Almeida has a B.Sc. in Electrical Engineering (2005) –UNIP – SP. He is a specialist in occupational safety and energy efficiency. Currently, he is a professor at the IFBA.

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Daniel Jonathas Electrical Engineering Student from IFBA. IEEE member and the Vice President of the IEEE MTT-S IFBA VDC Chapter.

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