Search Results - Xiangjun Li
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Performance Analysis of Battery State Prediction Based on Improved Transformer and Time Delay Second Estimation Algorithm
Published 2025-07-01Get full textAs energy storage technology advances rapidly, the power industry demands accurate state estimation of lithium batteries in energy storage power stations. This study aimed to improve such estimations. An improved Transformer structure was employed to estimate the battery’s state of charge (SOC). The...
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Asymmetric all Silicon Micro-Antenna Array for High Angle Beam Bending in Terahertz Band
Published 2019-01-01Get full textPhase mapping of metasurfaces with a finite number of elements is popular in wavefront manipulation. However, in high angle beam bending, the efficiency of bending beams drastically drops, which will greatly limit the applications of metasurface in photonic devices. Here, we propose an all silicon a...
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Optical Film with Microstructures to Regulate Viewing Angle of HUDs
Published 2025-06-01Get full textHead-up displays (HUDs) can effectively enhance driving safety by projecting information—such as speed and maps—onto the windshield, thereby reducing blind spots caused by drivers looking down. As drivers need to observe road conditions within a wider horizontal viewing field, and considering that t...
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Analogue of Electromagnetically Induced Transparency in an S-Shaped All-Dielectric Metasurface
Published 2019-01-01Get full textWe proposed and numerically investigated an analogue of electromagnetically induced transparency (EIT) all-dielectric metasurface that features one asymmetric <italic>S</italic>-shaped silicon resonator in the unit cell and generates high transparency, high <italic>Q</italic>...
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Electromagnetically Induced Transparency in an All-Dielectric Metamaterial-Waveguide With Large Group Index
Published 2017-01-01Get full textWe investigate numerically an analog of electromagnetically induced transparency (EIT) in an all-dielectric metamaterial-waveguide (ADMW) that consists of a two-dimensional silicon rod array on quartz slab waveguide. The EIT-like response is achieved by the destructive interference between a broad m...
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An Interactive Human-in-the-Loop Framework for Skeleton-Based Posture Recognition in Model Education
Published 2025-07-01Get full textThis paper presents a human-in-the-loop interactive framework for skeleton-based posture recognition, designed to support model training and artistic education. A total of 4870 labeled images are used for training and validation, and 500 images are reserved for testing across five core posture categ...
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Research Progress on Multiplexed Pathogen Detection Using Optical Biosensors
Published 2025-06-01Get full textThe rapid and precise identification of multiple pathogens is critical for ensuring food safety, controlling epidemics, diagnosing diseases, and monitoring the environment. However, traditional detection methods are hindered by complex workflows, the need for skilled operators, and reliance on sophi...
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A real-world study of palbociclib plus endocrine therapy with or without a short course chemotherapy in the first-line treatment of HR-positive HER2-negative metastatic breast canc...
Published 2025-07-01Get full textBackgroundTo investigate the efficacy of palbociclib plus endocrine therapy (ET) as the initial treatment compared with post-chemotherapy maintenance therapy in the first-line treatment of hormone receptor-positive (HR-positive), human epidermal growth factor receptor 2-negative (HER2-negative) meta...
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