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Millimeter-wave micro-Doppler measurements of small UAVs

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Abstract

This paper discusses the micro-Doppler signatures of small UAVs obtained from a millimeter-wave radar system. At first, simulation results are shown to demonstrate the theoretical concept. It is illustrated that whilst the propeller rotation rate of the small UAVs is quite high, millimeter-wave radar systems are capable of capturing the full micro-Doppler spread. Measurements of small UAVs have been performed with both CW and FMCW radars operating at 94 GHz. The CW radar was used for obtaining micro-Doppler signatures of individual propellers. The field test data of a flying small UAV was collected with the FMCW radar and was processed to extract micro-Doppler signatures. The high fidelity results clearly reveal features such as blade flashes and propeller rotation modulation lines which can be used to classify targets. This work confirms that millimeter-wave radar is suitable for the detection and classification of small UAVs at usefully long ranges.
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Original languageEnglish
Title of host publicationRadar Sensor Technology XXI
EditorsKenneth I. Ranney, Armin Doerry
PublisherSPIE
Number of pages9
ISBN (Electronic)9781510608771
DOIs
Publication statusPublished - 1 May 2017
EventRadar Sensor Technology XXI 2017 - Anaheim, United States
Duration: 10 Apr 201712 Apr 2017

Publication series

NameProceedings of SPIE
PublisherSociety fo Photo-optical Instrumentation Engineers
Volume10188
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceRadar Sensor Technology XXI 2017
CountryUnited States
CityAnaheim
Period10/04/1712/04/17

    Research areas

  • CW, drone, FMCW, Micro-Doppler, Millimeter-wave, Radar, UAV

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ID: 252372589

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