Sensing systems and methods with phase unwrapping based on a dynamic phase change model

A system includes distributed sensors and a receiver that receives signals from the distributed sensors and that produces one or more interferometry signals from the received signals. The system also includes a digitizer to digitize each of the one or more interferometry signals. The system also inc...

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Bibliographische Detailangaben
1. Verfasser:	Cekorich, Allen Curtis
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A system includes distributed sensors and a receiver that receives signals from the distributed sensors and that produces one or more interferometry signals from the received signals. The system also includes a digitizer to digitize each of the one or more interferometry signals. The system also includes at least one processing unit that processes each digitized interferometry signal to obtain unwrapped phase information and related parameter values. The unwrapped phase information is obtained based on a comparison of a current phase measurement with a reference phase predicted using a dynamic phase change model.