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Dynamic Range Extension for Heterodyne Fiber-Optic Hydrophone by Using Instantaneous Frequency-Tracking Method
  • Sufan Yang,
  • Chunxi Zhang,
  • Xiaxiao Wang
Sufan Yang
Beihang University
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Chunxi Zhang
Beihang University

Corresponding Author:zhangchunxi@buaa.edu.cn

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Xiaxiao Wang
Beihang University
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Abstract

This letter proposes an instantaneous frequency tracking method to extend the dynamic range for heterodyne fiber optic hydrophones (FOHs). They are used directly to compensate for large signal amplitudes. The working principle is discussed, and simulations are conducted. The simulations achieve at least 20 dB dynamic range improvement.
13 Apr 2023Submitted to Electronics Letters
13 Apr 2023Submission Checks Completed
13 Apr 2023Assigned to Editor
25 Apr 2023Reviewer(s) Assigned
31 May 2023Review(s) Completed, Editorial Evaluation Pending
04 Jun 2023Editorial Decision: Revise Major
08 Aug 20231st Revision Received
10 Aug 2023Submission Checks Completed
10 Aug 2023Assigned to Editor
10 Aug 2023Review(s) Completed, Editorial Evaluation Pending
12 Aug 2023Reviewer(s) Assigned
14 Aug 2023Editorial Decision: Accept