Near-field Multi-source Localization and Signal Enhancement for Fiber-optic DAS.

Junfeng Chen,Ke Ai,Hao Li,Cunzheng Fan,Zhijun Yan,Qizhen Sun

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

The near-field multi-source localization and enhancement based on array signal processing (ASP) method are proposed for the distributed acoustic sensing (DAS), and it has been demonstrated with high positioning accuracy and great signal enhancement.

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关键词

Signal Enhancement,Local Enhancement,Near-field Signal,Near-field Localization,Laboratory Tests,Background Noise,Field Test,Target Signal,Position Error,Target Recognition,Actual Position,Acoustic Detection,Array Aperture,Far-field Condition

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