METHOD OF OPERATING A RADAR SENSOR SYSTEM FOR VITAL SIGN DETECTION WITH ELIMINATION OF SIGNALS EXCITED BY INTERFERING MOVEMENTS

METHOD OF OPERATING A RADAR SENSOR SYSTEM FOR VITAL SIGN DETECTION WITH ELIMINATION OF SIGNALS EXCITED BY INTERFERING MOVEMENTS

A method of operating a radar sensor system that is configured to determine range and velocity information from radar waves reflected by a scene in an interior of a vehicle for vital sign detection. The method includes steps to decompose reflected and received signals into range and velocity informa...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TATARINOV, Dimitri, SINGH, Parth Raj, LANDWEHR, Jochen, CORDIE, Janine
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ALARM SYSTEMS
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
ORDER TELEGRAPHS
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
TESTING
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Beschreibung
Zusammenfassung:A method of operating a radar sensor system that is configured to determine range and velocity information from radar waves reflected by a scene in an interior of a vehicle for vital sign detection. The method includes steps to decompose reflected and received signals into range and velocity information, to measure the movement over time in specified range gates and to evaluate the similarities between them. Based on the characteristics of similar behaving range bins, it can be decided whether any detected movement is related to an internal or external disturbance or by vital signs.