Zhenhong Deng

A Confidence Fusion-Driven Framework for Per-Beat ECG Waveform Delineation

夏迪鑫, Zhenglin Xiao, Zhenhong Deng, Zhiyi Liu et autres

Accurate delineation of ECG waveforms is essential for clinical diagnosis, yet manual annotation remains time-consuming and subjective. This study proposes DB-ECGNet, a dual-branch multi-task network for automated ECG waveform delineation. The proposed framework integrates waveform segmentation and boundary detection to improve onset …

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Self-correcting linear chirplet transform for the separation of signals with crossover frequencies

Wanyang Zhang, Zhenhong Deng, Taihuan Wu, Zhigang Jia et autres

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Modeling and validation of dual-impact behavior of fault in cylindrical bearing raceway considering defect evolution

Jinchuan Shi, Zhengkun Xue, Zhenhong Deng, Huageng Luo et autres

Abstract Characterization of the dual-impact phenomenon is an effective way to evaluate the extent of damage in a cylindrical bearing, and thus the bearing’s remaining life. Therefore, it is of great importance to conduct in-depth research and achieve through understanding on the …

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A multimodal ECG diagnostic framework based on ECG-QRS knowledge graphs and attention mechanisms: Enhancing clinical interpretability of ECG diagnostic classification

Zhiyi Liu, Zhenhong Deng, Shumin Li, Jin Hua Liu et autres

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A resonance-avoiding modal balancing method for multimodal balancing of high-speed flexible rotors

Zhenhong Deng, Taihuan Wu, Wangqun Deng, Xin Huang et autres

Abstract Conventional balancing methods for high-speed flexible rotors typically necessitate costly and potentially hazardous balancing tests conducted near their critical speeds. This paper first demonstrates the feasibility of achieving multi-mode balancing using measurements taken below the first critical speed, based on traditional …

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Measurement of the branching fraction of ψ ( 2 S ) → γ π 0

M. Ablikim, M. N. Achasov, P. Adlarson, O. Afedulidis et autres

Based on ( 2712.4 ± 14.1 ) × 10 6 ψ ( 2 S ) events, 7.9 fb − 1 ψ ( 3773 ) data, and 0.8 fb − 1 off-resonance data samples collected with the BESIII detector, we measure the branching …

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Improved Bayesian Model Updating Method for Frequency Response Function with Metrics Utilizing NHBFT-PCA

Jinhui Li, Zhenhong Deng, Yong Tang, Siqi Wang et autres

To establish a high-fidelity model of engineering structures, this paper introduces an improved Bayesian model updating method for stochastic dynamic models based on frequency response functions (FRFs). A novel validation metric is proposed first within the Bayesian theory by using the normalized …

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Multiple-Bird-Strike Probability Model and Dynamic Response of Engine Fan Blades

Siqi Wang, Jinhui Li, Haoyang Lin, Zhenhong Deng et autres

Bird strikes pose one of the most significant threats to aviation safety, often leading to substantial loss of life and economic damage. Many bird strike incidents involve multiple birds. However, in previous bird strike studies, the problem of multiple bird strikes has …

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Synchronous averaging with sliding narrowband filtering for low-speed bearing fault diagnosis

Yukun Huang, Kun Wang, Zhenhong Deng, Zhengkun Xue et autres

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Search for D0→KS0K−e+νe , D+→KS0KS0e+νe , and D+→K+K−e+νe

М. Н. Ачасов, P. Adlarson, O. Afedulidis, X. Ai et autres

A search has been performed for the semileptonic decays D0→KS0K−e+νe , D+→KS0KS0e+νe , and D+→K+K−e+νe , using 7.9 fb−1 of e+e− annihilation data collected at the center-of-mass energy s=3.773 GeV by the BESIII detector operating at the BEPCII collider. No significant signals …

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Determination of the Σ+ Timelike Electromagnetic Form Factors

M. N. Achasov, P. Adlarson, X. C. Ai, R. Aliberti et autres

Based on data samples collected with the BESIII detector at the BEPCII collider, the process e^{+}e^{-}→Σ^{+}Σ[over ¯]^{-} is studied at center-of-mass energies sqrt[s]=2.3960, 2.6454, and 2.9000 GeV. Using a fully differential angular description of the final state particles, both the relative magnitude …

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Test of CP Symmetry in Hyperon to Neutron Decays

М. Н. Ачасов, P. Adlarson, X. Ai, R. Aliberti et autres

The quantum entangled $J/\ensuremath{\psi}\ensuremath{\rightarrow}{\mathrm{\ensuremath{\Sigma}}}^{+}{\overline{\mathrm{\ensuremath{\Sigma}}}}^{\ensuremath{-}}$ pairs from $(1.0087\ifmmode\pm\else\textpm\fi{}0.0044)\ifmmode\times\else\texttimes\fi{}{10}^{10}\text{ }\text{ }J/\ensuremath{\psi}$ events taken by the BESIII detector are used to study the nonleptonic two-body weak decays ${\mathrm{\ensuremath{\Sigma}}}^{+}\ensuremath{\rightarrow}n{\ensuremath{\pi}}^{+}$ and ${\overline{\mathrm{\ensuremath{\Sigma}}}}^{\ensuremath{-}}\ensuremath{\rightarrow}\overline{n}{\ensuremath{\pi}}^{\ensuremath{-}}$. The $CP$-odd weak decay parameters of the decays ${\mathrm{\ensuremath{\Sigma}}}^{+}\ensuremath{\rightarrow}n{\ensuremath{\pi}}^{+}$ (${\ensuremath{\alpha}}_{+}$) and ${\overline{\mathrm{\ensuremath{\Sigma}}}}^{\ensuremath{-}}\ensuremath{\rightarrow}\overline{n}{\ensuremath{\pi}}^{\ensuremath{-}}$ (${\overline{\ensuremath{\alpha}}}_{\ensuremath{-}}$) are determined …

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