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Open Access

Peer-reviewed

Research Article

Surface roughness profile separation using singular spectrum analysis

Ziming Pang,

Roles Formal analysis, Investigation, Software, Validation, Writing – original draft

Affiliations College of Metrology, Testing and Instrumentation, China Jiliang University, Hangzhou, China, AVIC Changcheng Institute of Metrology & MeasurementBeijing, China

https://orcid.org/0009-0006-4773-795X

⨯
Xiaochuan Gan ,

Roles Project administration, Supervision, Writing – review & editing

* E-mail: 9050432@qq.com

Affiliation AVIC Changcheng Institute of Metrology & MeasurementBeijing, China
⨯
Ming Kong

Roles Supervision, Writing – review & editing

Affiliation College of Metrology, Testing and Instrumentation, China Jiliang University, Hangzhou, China
⨯

Surface roughness profile separation using singular spectrum analysis

Ziming Pang,
Xiaochuan Gan,
Ming Kong

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Published: November 25, 2025
https://doi.org/10.1371/journal.pone.0336936

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Singular value decomposition
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Signal processing
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Valleys
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