Sensing Accuracy Enhancement of Phase-Sensitive Optical Frequency Domain Reflectometry Using Hybrid Hampel-Median Filter

We propose a novel filter scheme to enhance the sensing accuracy of phase-sensitive optical frequency domain reflectometer (Φ-OFDR) while maintaining high spatial resolution via cascading Hampel filter and median filter. The working principle is theoretically analyzed and optimal filtering pa...

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Hlavní autoři:	Yiheng Cheng, Qinlin Zeng, Fei Liu, Fei Cui, Zhi Wang, Dan Li, Benzhang Wang, Xian Zhou
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	IEEE 2025-01-01
Edice:	IEEE Photonics Journal
Témata:	Sensing accuracy distributed optical fiber sensing high spatial resolution hybrid Hampel-Median filter outliers Φ-OFDR
On-line přístup:	https://ieeexplore.ieee.org/document/11264304/
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