A Simple Method for Enhancing the SNR in Direct Detection (p-OTDR based Distributed Acoustic Sensors
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Date
2020
Journal Title
Journal ISSN
Volume Title
Publisher
IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Abstract
A simple and effective method for increasing the SNR and range in fp-OTDR based direct -detection distributed acoustic sensors is proposed and experimentally verified. The proposed method results in 11 dB SNR improvement at 66 km. (fD 2020 The Author(s)