Wiener Filtering in Wavelet Domain on Laser Self-Mixing Interference for Micro-Displacement Reconstruction

Wiener Filtering in Wavelet Domain on Laser Self-Mixing Interference for Micro-Displacement Reconstruction

In this paper, a Wiener filtering algorithm in the wavelet domain is proposed to filter the laser self-mixing interference (SMI) signals, which is used to improve the accuracy of displacement reconstruction. The Wiener filter is theoretically constructed and applied to filter both high-frequency coe...

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Bibliographic Details
Main Authors: Hui Liu, Xintao Li, Yaqiang You, Xia Liu, Xiaohui Zhao, Jian Sun, Jingwei Wang, Dong Hou
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Photonics
Subjects:
self-mixing interference
displacement reconstruction
wavelet domain
Wiener filtering
phase unwrapping
Online Access:https://www.mdpi.com/2304-6732/12/1/40
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