MULTISPAN OPTICAL FIBER SYSTEM AND TECHNIQUES FOR IMPROVED DISTRIBUTED ACOUSTIC SENSING

MULTISPAN OPTICAL FIBER SYSTEM AND TECHNIQUES FOR IMPROVED DISTRIBUTED ACOUSTIC SENSING

A distributed acoustic sensing system. The DAS system may include a distributed acoustic sensing (DAS) station, comprising: a DAS transmitter, arranged to launch an outbound DAS signal through an optical fiber, over at least one span; a DAS receiver, arranged to receive a backscatter Rayleigh signal...

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Bibliographische Detailangaben
Hauptverfasser: Cai, Jin-Xing, Patterson, William W, Pilipetskii, Alexei N, Davidson, Carl
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES
MEASURING
PHYSICS
TESTING
TRANSMISSION
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Beschreibung
Zusammenfassung:A distributed acoustic sensing system. The DAS system may include a distributed acoustic sensing (DAS) station, comprising: a DAS transmitter, arranged to launch an outbound DAS signal through an optical fiber, over at least one span; a DAS receiver, arranged to receive a backscatter Rayleigh signal, based upon the DAS signal; and at least one component, coupled to the DAS transmitter, the DAS receiver, or both, and arranged to increase a sensitivity for sensing of the DAS system.