Author Page for Jinfeng Li

Jinfeng Li

Shanghai University

149 Yanchang Road

SHANGDA ROAD 99

Shanghai 200072, 200444

China

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Lock-in Amplification Enhanced Network: A Physics-Data Hybrid Strategy for Early Fault Diagnosis of Liquid Rocket Engine Turbopump Bearings

Number of pages: 49 Posted: 05 Dec 2025

Hongli Zhang, Hailin Zhang, Shungen Xiao, Jie Zhang, Shulin Liu, Wei Dou, Jinfeng Li and Chi Wang

Shanghai University, Shanghai University, Ningde Normal University, Ningde Normal University, Shanghai University, affiliation not provided to SSRN, Shanghai University and Shanghai University

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Jinfeng Li

Shanghai University

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Lock-in Amplification Enhanced Network: A Physics-Data Hybrid Strategy for Early Fault Diagnosis of Liquid Rocket Engine Turbopump Bearings

Abstract: