| Note: A frequency modulated wireless interrogation system exploiting narrowband acoustic resonator for remote physical quantity measurement. | |
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MedLine Citation:
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PMID: 20515180 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We demonstrate the wireless conversion of frequency modulation to amplitude modulation by radio frequency resonators as means of accurately determining the resonance frequency of passive acoustoelectronic sensors. The emitted frequency modulated radio frequency pulses are generated by a pulsed radar for probing a surface acoustic wave based sensor. The sharp sign transition of the amplitude modulated received signal provides a signal on which a feedback loop is locked to monitor the resonance signal. The strategy is demonstrated using a full software implementation on a generic hardware, resulting in 2 Hz resolution at 1 s integration time limited by the proportional feedback loop. |
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Authors:
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C Droit; G Martin; S Ballandras; J-M Friedt |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Review of scientific instruments Volume: 81 ISSN: 1089-7623 ISO Abbreviation: Rev Sci Instrum Publication Date: 2010 May |
Date Detail:
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Created Date: 2010-06-02 Completed Date: 2010-09-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: United States |
Other Details:
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Languages: eng Pagination: 056103 Citation Subset: - |
Affiliation:
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Time and Frequency Department, FEMTO-ST, 32 Avenue de l'Observatoire, Besançon 25044, France. |
Export Citation:
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Descriptor/Qualifier:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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