METHOD AND APPARATUS FOR IN VIVO SENSING

METHOD AND APPARATUS FOR IN VIVO SENSING

Systems and methods for in vivo sensing are provided. An excitation signal is produced, having a first frequency component and a second frequency component. The first frequency component is swept through a plurality of excitation frequencies within a frequency range of interest. A response signal is...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TALMAN, JAMES, R, ROY, SHUVO, FLEISCHMAN, AARON, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:Systems and methods for in vivo sensing are provided. An excitation signal is produced, having a first frequency component and a second frequency component. The first frequency component is swept through a plurality of excitation frequencies within a frequency range of interest. A response signal is received from an in vivo sensor. The response signal includes a mix component having a frequency equal to one of a sum of a first excitation frequency associated with the first frequency component and a second excitation frequency associated with the second frequency component and a difference between the first and second excitation frequencies. The mix component is evaluated to determine a resonant frequency of the in vivo sensor.