Measurement of the distance of a boundary surface

The method involves obtaining a digital receiving signal by a transmitter and a receiver of a time domain reflectometry sensor (10), and adjusting adapted sampling frequency of a reflection signal, such that an interferer lies outside of a usage band. Interferer frequency of the interferer is estima...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WEBER, THOMAS, BLOEHBAUM, FRANK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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 MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	The method involves obtaining a digital receiving signal by a transmitter and a receiver of a time domain reflectometry sensor (10), and adjusting adapted sampling frequency of a reflection signal, such that an interferer lies outside of a usage band. Interferer frequency of the interferer is estimated in sampling frequency that is different from another sampling frequency around difference sampling frequency. A scaling factor is determined from the difference amount of the sampling frequencies, where the adapted frequency is determined from the scaling factor and the difference frequency. An independent claim is also included for a sensor comprising a transmitter and a receiver.