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一种基于ADI低成本DSP实现的QR码识别系统

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电子技术应用 2013年第4期39卷 42-44页

作者：余维克黎福海湖南大学电气与信息工程学院湖南长沙410082

设计了一种可在ADI低成本DSP(小内存平台)上实现的QR码识别系统,并在以BF592为核心的硬件平台上实现。系统基于图像处理方法,在32 KB的数据空间内实现了二值化压缩并行的图像采集时序、多个方向扫描对QR码进行定位、采样解码等功能。经... 详细信息

设计了一种可在ADI低成本DSP(小内存平台)上实现的QR码识别系统,并在以BF592为核心的硬件平台上实现。系统基于图像处理方法,在32 KB的数据空间内实现了二值化压缩并行的图像采集时序、多个方向扫描对QR码进行定位、采样解码等功能。经测试,该系统取得了良好的识别效果。

关键词： QR码识别图像处理小内存 BF592

Control of Discrete-time Markovian Jumping Systems with Unknown Delay and Actuators Saturation

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Control of Discrete-time Markovian Jumping Systems with Unkn...

第二十九届中国控制会议

作者： SHANG weike,KANG yu,WANG Xin,XI Hongsheng Department of Automation,University of Science and Technology of China,Hefei 230027,Anhui,P.R.China

In this note,A class of discrete-time Markovian jumping systems with unknown delays and actuators saturation is *** Lyapunov methods,sufficient conditions under which the investigated system is locally stochastic stable are ***,an estimate of the domain of attraction in mean square is provided for the ***,we design the mode-dependent memoryless state feedback controller to expand the domain of ***,numerical examples are given to verify the effectiveness of the methods.

关键词： Markovian Jumping Systems Discrete-time Time Delays Actuators Saturation Domain of Attraction in Mean Square

来源： cnki会议评论

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县级环网的架构与管理

数字通信世界 2020年第6期 35-36,38页

作者：俞伟柯诸暨市广播电视台诸暨311800

以诸暨市环形主干链路分配网系统为研究对象,对县级环网的架构与管理进行了阐述,分析了可优化方向,提出了对环网日常运维改进的尝试和思考。

关键词：环网架构管理

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磷酸铁锂软包与铝壳电池性能比较

广东化工 2022年第19期49卷 4-6,3页

作者：于维珂施凯霞汪涛上海电气国轩新能源科技有限公司上海200070

采用材料体系与设计相同的锂电池极片分别制备6.5 Ah软包电池和105 Ah铝壳电池,考察了二者在倍率充电、倍率放电、高低温放电、常温存储及高温存储的性能差异。结果表明,充电倍率和放电倍率在低于0.5C时倍率性能比较接近,0.5C以上倍率... 详细信息

采用材料体系与设计相同的锂电池极片分别制备6.5 Ah软包电池和105 Ah铝壳电池,考察了二者在倍率充电、倍率放电、高低温放电、常温存储及高温存储的性能差异。结果表明,充电倍率和放电倍率在低于0.5C时倍率性能比较接近,0.5C以上倍率性能差异较大;高低温放电性能在25℃、45℃、55℃温度下软包与铝壳电池放电容量保持率相当,0℃及以下的低温性能铝壳电芯放电性能更优。常温搁置与高温搁置性能软包与铝壳电池无明显差异。

关键词：储能磷酸铁锂电池软包电池铝壳电池电化学性能

10kV隔离型中压耐火电缆在隧道工程中的应用

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建筑电气 2018年第8期37卷 50-52页

作者：余维科张国宾马娟上海市高桥电缆厂有限公司上海市201605

依据电缆制备所用耐火材料种类,介绍云母绕包带耐火电缆、矿物绝缘耐火电缆、陶瓷化硅橡胶耐火电缆的特点。简要介绍国内中压耐火电缆的研究现状,并结合具体工程案例介绍10 kV超A类阻燃隔离型中压耐火电缆在隧道工程中的应用。

关键词： 10 kV 耐火电缆阻燃隧道线路完整性防火隔离层降温隔氧层金属网骨架耐火层

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隔离型阻燃电缆燃烧性能检测

建筑电气 2015年第7期34卷 28-30页

作者：徐春斌余维科陈万荣上海高桥电缆集团有限公司上海市201605

介绍隔离型阻燃电缆的结构及性能:采用创新型的阻燃材料填充及隔离,使得电缆线芯绝缘受到完整保护而难以参与燃烧反应,不仅可满足GB/T 18380.33-2008/IEC 60332-3-22:2000《电缆和光缆在火焰条件下的燃烧试验第33部分:垂直安装的成束电... 详细信息

介绍隔离型阻燃电缆的结构及性能:采用创新型的阻燃材料填充及隔离,使得电缆线芯绝缘受到完整保护而难以参与燃烧反应,不仅可满足GB/T 18380.33-2008/IEC 60332-3-22:2000《电缆和光缆在火焰条件下的燃烧试验第33部分:垂直安装的成束电线电缆火焰垂直蔓延试验A类》中成束阻燃A类每米试样非金属材料体积7 L的要求,也能顺利通过国家标准GB 31247-2014《电缆及光缆燃烧性能分级》B1级试验。

关键词：隔离型阻燃电缆燃烧性能分级金属氢氧化物火焰蔓延(FS) 燃烧增长速率指数 (FIGRA) 产烟速率峰值(SPR峰值) 受火1200s内的产烟总量(TSP1200) 热释放速率峰值(HRR峰值)

Nanostructured ZnO/BiVO_(4)I-scheme heterojunctions for piezocatalytic degradation of organic dyes via harvesting ultrasonic vibration energy

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 488-497页

作者： Yiling Li Xiaoyao yu Yingjie Zhou Yao Lin Ying Wu Key Laboratory of the Ministry of Education for Advanced Catalysis Materials College of Chemistry and Materials ScienceZhejiang Normal UniversityJinhua 321004China

BiVO_(4)porous spheres modified by ZnO were designed and synthesized using a facile two-step *** resulting ZnO/BiVO_(4)composite catalysts have shown remarkable efficiency as piezoelectric catalysts for degrading Rhodamine B(RhB)unde mechanical vibrations,they exhibit superior activity compared to pure *** 40wt%ZnO/BiVO_(4)heterojunction composite displayed the highest activity,along with good stability and *** enhanced piezoelectric catalytic activity can be attributed to the form ation of an I-scheme heterojunction structure,which can effectively inhibit the electron-hole ***,hole(h+)and superoxide radical(·O_(2)^(-))are proved to be the primary active ***,ZnO/BiVO_(4)stands as an efficient and stable piezoelectric catalyst with broad potential application in the field of environmental water pollution treatment.

关键词： piezoelectric catalytic heterojunction dye degradation ultrasonic vibration

Interconnections between diabetic corneal neuropathy and diabetic retinopathy:diagnostic and therapeutic implications

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Neural Regeneration Research 2025年第8期20卷 2169-2180页

作者： Mingyi yu Faith Teo En Ning Chang Liu yu-Chi Liu Tissue Engineering and Stem Cell Group Singapore Eye Research InstituteSingapore Yong Loo Lin School of Medicine National University of SingaporeSingapore Department of Cornea and External Eye Disease Singapore National Eye CenterSingapore Ophthalmology and Visual Sciences Academic Clinical Program Duke-NUS Medical SchoolSingapore

Diabetic corneal neuropathy and diabetic retinopathy are ocular complications occurring in the context of diabetes *** corneal neuropathy refers to the progressive damage of corneal *** retinopathy has traditionally been considered as damage to the retinal ***,growing evidence suggests that diabetic retinopathy is a complex neurovascular disorder resulting from dysfunction of the neurovascular unit,which includes both the retinal vascular structures and neural *** retinopathy is one of the leading causes of blindness and is frequently screened for as part of diabetic ocular ***,diabetic corneal neuropathy is commonly overlooked and underdiagnosed,leading to severe ocular surface *** studies have found that these two conditions tend to occur together,and they share similarities in their pathogenesis pathways,being triggered by a status of chronic *** review aims to discuss the interconnection between diabetic corneal neuropathy and diabetic retinopathy,whether diabetic corneal neuropathy precedes diabetic retinopathy,as well as the relation between the stage of diabetic retinopathy and the severity of corneal *** also endeavor to explore the relevance of a corneal screening in diabetic eyes and the possibility of using corneal nerve measurements to monitor the progression of diabetic retinopathy.

关键词： cornea corneal nerves diabetes diabetic corneal neuropathy diabetic retinopathy retina

Tilting homeostatic and dyshomeostatic microglial balance in health and disease:transforming growth factor-beta1 as a critical protagonist

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Neural Regeneration Research 2025年第10期20卷 2895-2897页

作者： Nicolas Hugues yu Luo Department of Molecular and Cellular Biosciences University of CincinnatiCincinnatiOHUSA Neuroscience Graduate Program University of CincinnatiCincinnatiOHUSA Division of Immunobiology Cincinnati Children’s Hospital Medical CenterUniversity of Cincinnati College of MedicineCincinnatiOHUSA

Adult microglia,by continuously sensing changes in their environment and communicating with nearly all brain cell types,are considered to be the immune sentinels of the *** the healthy central nervous system(CNS),microglia display a unique molecular homeostatic signature(i.e.,Tmem119,P2ry12,Sall1,Siglech,Gpr34,and Hexb)(Figure 1A).

关键词： Figure signature critical