Vital signs detection radar using low intermediate-frequency architecture and single-sideband transmission

Brian Sveistrup Jensen, Sævar Þór Jónasson, Tom Keinicke Johansen, Thomas Jensen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    This paper presents a continuous wave vital signs detection radar that utilizes a heterodyne transceiver architecture with a 10 MHz intermediate frequency to remove both unwanted DC offsets in the electronic components and the so-called null-detection-points. For successful removal of the latter, it is shown that single-sideband transmission (or demodulation) must be used. Measurements verify this behaviour.
    Original languageEnglish
    Title of host publicationProceedings of the 9th European Radar Conference (EuRAD) 2012
    PublisherIEEE
    Publication date2012
    Pages67-70
    ISBN (Print)978-1-4673-2471-7
    Publication statusPublished - 2012
    Event9th European Radar Conference (EuRAD) - Amsterdam, Netherlands
    Duration: 31 Oct 20122 Nov 2012
    Conference number: 9

    Conference

    Conference9th European Radar Conference (EuRAD)
    Number9
    Country/TerritoryNetherlands
    CityAmsterdam
    Period31/10/201202/11/2012

    Keywords

    • Amplitude modulation
    • Demodulation
    • Heart beat
    • Oscillators
    • Radar
    • Radio frequency
    • Sensors

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