Jingcheng Zhao

Adaptive Contrastive Metric Network with Background Suppression for Few-Shot SAR Target Recognition

Rui Cai, Chao Huang, Yu Feng, Jingcheng Zhao

Deep learning-based synthetic aperture radar (SAR) target recognition often suffers from overfitting under few-shot conditions, making it difficult to fully exploit the discriminative features contained in limited samples. Moreover, SAR targets frequently exhibit highly similar background scattering patterns, which further increase intra-class …

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Deep Bayesian Optimization of Sparse Aperture for Compressed Sensing 3D ISAR Imaging

Zurong Yang, Jingcheng Zhao, Mengyu Zhang, Changyu Lou et autres

High-resolution three-dimensional (3D) Inverse Synthetic Aperture Radar (ISAR) imaging is essential for the characterization of target scattering in various environments. The practical application of this technique is frequently impeded by the lengthy measurement time necessary for comprehensive data acquisition with turntable-based systems. …

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Efficient Sampling Schemes for 3D Imaging of Radar Target Scattering Based on Synchronized Linear Scanning and Rotational Motion

Changyu Lou, Jingcheng Zhao, Xingli Wu, Yuchen Zhang et autres

Three-dimensional (3D) radar imaging is essential for target detection and measurement of scattering characteristics. Cylindrical scanning, a prevalent spatial sampling technique, provides benefits in engineering applications and has been extensively utilized for assessing the radar stealth capabilities of large aircraft. Traditional cylindrical …

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SpaICL: image-guided curriculum strategy-based graph contrastive learning for spatial transcriptomics clustering

Jingcheng Zhao, Wenwen Min

Spatial transcriptomics, by capturing both gene expression and spatial information, holds great promise for unraveling the complex organization of tissues. In this study, we introduce SpaICL, an image-guided curriculum strategy-based graph contrastive learning framework for spatial transcriptomics clustering. SpaICL integrates gene expression, …

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A Target Near-Field Scattering Measurement Technique Utilizing 3D Near-Field Imaging via Cylindrical Scanning

Zurong Yang, Jingcheng Zhao, Weikang Si, Changyu Lou et autres

Radar target near-field scattering characteristics are essential for the identification of target properties and the improvement of target recognition. Nevertheless, the efficiency of current precision three-dimensional (3D) imaging algorithms in near-field scattering measurements is restricted by their substantial computational complexity. To resolve …

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Involvement of the weak metabolic function in cardiovascular toxicity induced by idebenone in zebrafish

Yanan Yang, Jingcheng Zhao, Te Zheng, Yun Zhang

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Phenylthiourea synergistically enhances the hepatotoxicity of bavachalcone by interfering with metabolism in zebrafish: A factor to consider when evaluating toxicity of environmental pollutants using zebrafish models

Te Zheng, Jingcheng Zhao, Chenglong Sun, Chengyue Zhu et autres

Phenylthiourea (PTU) is a well-known inhibitor of melanin synthesis that has been extensively utilized in ecotoxicological studies involving zebrafish. Although there are reports suggesting that PTU may influence the toxicity of various compounds, the underlying mechanisms of its action remain unclear. Bavachalcone …

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An integrated zebrafish model and network pharmacology to investigate the mechanism of Chrysanthemum for treating metabolic dysfunction-associated fatty liver disease

Jingcheng Zhao, Jing Yang, Fei Yang, Yuanhao Wang et autres

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Reducing Target-Ground Coupling in Near-Field Scattering Measurements by Elevation Adjustments

Zongkai Yang, Jingcheng Zhao, Yijia Chen, Changyu Lou et autres

The measurement of the scattering of big targets is difficult, particularly in indoor near-field conditions where there are many interactions between the target and the backdrop. Scattering clutter caused by the ground has a major impact on Radar Cross Section (RCS) measurements. …

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The Optimal Sample Region Required to Predict Monostatic RCS from Finite Near-Field Data

Changyu Lou, Jingcheng Zhao, Zongkai Yang, Jungang Miao

During near-field measurements, truncating the sampled angular domain can cause "spectral leakage" in the spatial domain, leading to measurement errors in Radar Cross Section (RCS). In this paper, we apply triangular window weighting to the sampled scattering field. By modifying the sampling …

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Broadband metasurface bandpass filter with wide angular stability for the Ku-band

Nan Li, Jingcheng Zhao, Yongjun Xie, Dong Wang et autres

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Epimedin B exerts an anti-inflammatory effect by regulating the MAPK/NF-κB/NOD-like receptor signalling pathways

Liu L, Yayun Zhong, Tengjie Zheng, Jingcheng Zhao et autres

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