Yanxin Zhang

Chinese Academy of Medical Sciences & Peking Union Medical College

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Weigang Zhang

Wuhan University of Technology

Tieyi Yan

Dalian Maritime University

Yunshan Zhang

Nankai University

Lin Yu

Yanbian University

Peng Geng

Xi'an Jiaotong University

Song Wang

First Affiliated Hospital of Guangzhou University of Chinese Medicine

Zhe Li

North University of China

Lei Chen

University of Chinese Academy of Sciences

Jinglai Zhang

Henan University

Lingxin Kong

Beibu Gulf University

Cooperative Institutions

Vision Technology (United States)

254

Chinese Academy of Sciences

202

University of Chinese Academy of Sciences

100

Peking University

Chinese Academy of Medical Sciences & Peking Union Medical College

Nankai University

Shanghai Jiao Tong University

Sun Yat-sen University

Tsinghua University

Central South University

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Optimizing centroiding using indexed table lookup: Application to crossed-strip readout

AIP Advances (2024)

A. La Wenwen Zhang Yang Yang Jinkun Zheng Yonglin Bai

This paper introduces a hybrid readout system for a cross-strip position-sensitive anode detector that combines a lookup table and weighted averaging. The lookup table approach is used to identify event channels and select appropriate weights based on the corresponding index code for calculating the centroid of the electron cloud. This effectively enhances the readout system’s processing speed while preserving the high-resolution advantage of the cross-strip position-sensitive anode. Simulations were performed to evaluate the performance of the system. Experimental results demonstrate that this readout method achieves an event processing speed exceeding 10 MHz while maintaining a resolution of 17.96 lp/mm.

Lookup table

Table (database)

10.1063/5.0186696

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Relationship Analysis of the Degree of Fault Complexity and the Water Irruption Rate, Based on Fractal Theory

Mine Water and the Environment (2015)

Renzheng Li Qi Wang Xinyi Wang Xiaoman Liu Jianlin Li

Structural complexity

Inrush current

10.1007/s10230-015-0348-2

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Citations (16)

ラボオンチップ:in situ Chem-Bio検出に向けた突出型全ファイバプラズモンマイクロチッププローブ【JST・京大機械翻訳】

Sensors and Actuators B Chemical (2019)

Kong Ling-Xin Yanxin Zhang Weigang Zhang Yunshan Zhang Tieyi Yan

Source

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Commercial production of extinction PVC resins in 100m~3 polymerizers

Polyvinyl Chloride (2013)

Yanxin Zhang

The properties of extinction PVC resin and its commercial production progress in 100 m3 polymerizers were introduced.The matters needing attention during production and product test method were provided.

Extinction (optical mineralogy)

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Intelligent control of video monitoring system based on the color histogram analysis

Acta Physica Sinica (2006)

Zhang Bian-Li Chang Sheng-Jiang Li Jiangwei Kai Wang Shen Hui-Ting

The intelligent control of video monitoring system in a fixed background scene is realized by comparing color histogram distance between reference image and objective image. The impacts on reference images caused by the variation with time and sunlight are eliminated by renewing reference images on-line. In order to reduce computational complexity and speed up the processing, a uniform compressional algorithm of real color space based on fuzzy method is proposed. The simulations show that an image can be processed in 10 ms, which meets the requirement of real-time processing.

Color histogram

Color normalization

Image histogram

10.7498/aps.55.6399

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Citations (3)

Statistical Neural Networks Based Blind Deconvolution of Spectroscopic Data

Jinghe Yuan Shengjiang Chang Yanxin Zhang

The resolution of the spectroscopic data can be improved by mathematically removing the degraded effect of the instrument response function. Based on the Shalvi-Weinstein criterion, a statistical neural networks based blind deconvolution algorithm for spectroscopic data is proposed. The true spectra and the spectral slit functions of measure instruments can be estimated simultaneously. Especially, the pre-whitening processing can result in a robust convergence, and the noise can be reduced considerably meanwhile.

Data Processing

Statistical noise

10.1109/icnc.2007.682

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Self-validating photothermal and electrochemical dual-mode sensing based on Hg2+ etching Ti3C2 MXene

Analytica Chimica Acta (2024)

Yanxin Zhang Jing Li Xiaobing Li Jingchun Lv Qin Xu

Dual mode

Mercury

10.1016/j.aca.2024.342525

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Citations (7)

Tribological Properties of Polydopamine-Modified Ag as Lubricant Oil Additives

Lubricants (2022)

Yanxin Zhang Jun Cheng Changfeng Lu Hao Chen Guoxin Xie

Nanoparticles agglomerate easily because of their high surface energy, which seriously reduces their tribological properties as lubricant additives. In this work, the core-shell nanoparticles Ag@polydopamine (PDA) were successfully prepared by the self-oxidation of dopamine hydrochloride on the surface of Ag nanoparticles and the dispersion of Ag nanoparticles in PAO6 was improved to promote anti-wear behaviors. The tribological properties of Ag@PDA nanocomposites as additives in poly alpha olefin (PAO) oil were studied under different concentrations, pressure and speed conditions by UMT-5 tribometer. It was demonstrated that the strong electrostatic repulsion of the PDA structure made the Ag nanoparticles better dispersed in PAO oil, thus playing a better lubricating role. When the concentration of the modified nanoparticles was 0.25 wt%, the friction coefficient of the lubricating oil decreased by 18.67% and no obvious wear was observed on the friction pair surface. When the Ag@PDA content was higher than 0.25 wt%, the tribological performance of the lubricating oil was weakened, which may be due to excessive Ag@PDA acting as an abrasive on the friction surface, thereby increasing friction and wear. The friction coefficient of the lubricating oil containing Ag@PDA decreased with the increase in load, but hardly changed with the increase in frequency.

Tribometer

Synthetic oil

Agglomerate

Surface Modification

10.3390/lubricants10120343

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Citations (3)

Ultra-high sensitivity liquid level sensor based on CO2 laser local refractive index curved modulation effect

Optics & Laser Technology (2019)

Yunshan Zhang Yanxin Zhang Weigang Zhang Lei Chen Lin Yu

Modulation (music)

10.1016/j.optlastec.2019.105755

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Citations (8)

Liquid crystal smart pixel neuron array

Optical Engineering (1997)

Yongjing Wang Zhuanyun Guo Yanxin Zhang Teiqun Zhang Ying Zhao

A liquid crystal neuron array for carrying out optical subtrac- tion and thresholding operations is proposed. It consists of 32332 smart pixels, which can be used as artificial neurons. The device operates in parallel, that is, all the pixels are processed together simultaneously. All these functions are completed by the physics features of liquid crystal and silicon rather than by computing and controlling in a very large scale integrate circuit (VLSI). The principle of operation and the fundamental characteristics of the neuron array are described in detail. © 1997 Society of Photo-Optical Instrumentation Engineers. (S0091-3286(97)01407-4)

Optical engineering

Optical computing

10.1117/1.601362

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Citations (2)