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A Lightweight Multiscale Feature Fusion Network for Solar Cell Defect Detection

Computers, Materials & Continua 2025年第1期82卷 521-542页

作者： Xiaoyun Chen Lanyao zhang Xiaoling Chen Yigang Cen Linna zhang fugui zhang School of Mechanical Engineering Guizhou UniversityGuiyang550025China School of Computer Science and Technology Beijing Jiaotong UniversityBeijing100044China

Solar cell defect detection is crucial for quality inspection in photovoltaic power generation *** the production process,defect samples occur infrequently and exhibit random shapes and sizes,which makes it challenging to collect defective ***,the complex surface background of polysilicon cell wafers complicates the accurate identification and localization of defective *** paper proposes a novel Lightweight Multiscale Feature Fusion network(LMFF)to address these *** network comprises a feature extraction network,a multi-scale feature fusion module(MFF),and a segmentation ***,a feature extraction network is proposed to obtain multi-scale feature outputs,and a multi-scale feature fusion module(MFF)is used to fuse multi-scale feature information *** order to capture finer-grained multi-scale information from the fusion features,we propose a multi-scale attention module(MSA)in the segmentation network to enhance the network’s ability for small target ***,depthwise separable convolutions are introduced to construct depthwise separable residual blocks(DSR)to reduce the model’s parameter ***,to validate the proposed method’s defect segmentation and localization performance,we constructed three solar cell defect detection datasets:SolarCells,SolarCells-S,and *** and SolarCells-S are monocrystalline silicon datasets,and PVEL-S is a polycrystalline silicon *** results show that the IOU of our method on these three datasets can reach 68.5%,51.0%,and 92.7%,respectively,and the F1-Score can reach 81.3%,67.5%,and 96.2%,respectively,which surpasses other commonly usedmethods and verifies the effectiveness of our LMFF network.

关键词： Defect segmentation multi-scale feature fusion multi-scale attention depthwise separable residual block

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基于FPGA的雷达噪声信号设计与实现

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成都信息工程大学学报 2025年第1期40卷 29-35页

作者：赵将冬张福贵汪治成都信息工程大学电子工程学院四川成都610225 中国气象局大气探测重点开放实验室四川成都610225

针对一些典型分布的噪声信号在雷达标定和信号处理中的实际需求,基于元胞自动机和Box-Muller算法提出一种在现场可编程门阵列上能够实时产生多种概率分布特性的噪声信号生成方法。首先将对数和三角函数序列存入只读存储器;然后使用两个3... 详细信息

针对一些典型分布的噪声信号在雷达标定和信号处理中的实际需求,基于元胞自动机和Box-Muller算法提出一种在现场可编程门阵列上能够实时产生多种概率分布特性的噪声信号生成方法。首先将对数和三角函数序列存入只读存储器;然后使用两个32阶的元胞自动机,产生两路服从均匀分布的随机序列,作为地址读取存储器的数据进行相应乘法运算,实现Box-Muller算法的快速运算,生成两路正交的高斯随机序列;最后利用高斯随机序列进行相应数学运算得到其他概率分布特性的随机序列。实验使用Modelsim进行了仿真,并结合MATLAB做了验证,仿真结果表明,随机序列统计直方图与标准分布曲线高度吻合,误差小于0.1%且正交性良好。基于Xil-inx的XC7Z100FFG900现场可编程门阵列和ADI的数模转换器AD9779进行实现,得到的实验结果与仿真一致,且可以通过上位机对生成信号速率和类型进行切换,速度最高可达4 Gb/s,满足实际需求。

关键词： Box-Muller算法瑞利分布元胞自动机现场可编程门阵列高斯白噪声

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The Spread of Cosmopolitanism in China and Lu Xun＇s Understanding of the ＂World Citizen＂

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Frontiers of Literary Studies in China-Selected Publications from Chinese Universities 2012年第4期6卷 553-569页

作者： fugui zhang Chuangong Ren Faculty of Humanities and Social Science Jilin University Changchun 130012 China

The concept of World Citizen was not introduced to China by Lu Xun, but it is an important term in his thought. The most obvious difference between Lu Xun and other cultural pioneers during the May Fourth period is that rather than understanding and promoting cosmopolitanism as a social or systematic phenomenon, he was mainly interested in human nature and therefore attempted to formulate the concept of World Citizen in terms of a humanistic or spiritual dimension. In so doing, he profoundly expressed an ideological appeal for the significance of the human consciousness, understood within its historical context. This particular conception of cosmopolitanism is symbolically valuable and relevant to the present ideological reality.

关键词： Lu Xun cosmopolitanism World Citizen Chinese modemtransformation

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天气雷达模拟观测系统的设计与应用

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成都信息工程大学学报 2025年第1期40卷 56-63页

作者：唐强强张福贵唐佳佳成都信息工程大学电子工程学院四川成都610225 中国气象局大气探测重点开放实验室四川成都610225

中国已建成的业务天气雷达主要采用S和C波段体制。受地球曲率和波束展宽的影响,存在低空盲区和远距离分辨率低等不足。为弥补业务天气雷达观测网的局限,中国正在试点部署一批小型化、扫描策略灵活的X波段天气雷达。基于物理模型和数字... 详细信息

中国已建成的业务天气雷达主要采用S和C波段体制。受地球曲率和波束展宽的影响,存在低空盲区和远距离分辨率低等不足。为弥补业务天气雷达观测网的局限,中国正在试点部署一批小型化、扫描策略灵活的X波段天气雷达。基于物理模型和数字仿真技术,设计并构建了一套天气雷达模拟观测系统,用于X波段天气雷达的站网布局和扫描策略的优化与验证研究。该系统以数字高程和数值模式生成的天气过程四维数据作为输入,模拟了对天气雷达探测效果有重要影响的波束传播、地形阻挡和雷达灵敏度等因素。以杭州地区X波段雷达网作为研究对象,开展了针对定量降水估计的扫描策略优化实验。研究结果表明,利用天气雷达模拟观测系统设计的新体扫模式弥补了杭州市S波段雷达低空探测能力的不足,有效地提高杭州地区雷达网的定量降水估测能力。

关键词：定量降水估测模拟观测扫描策略雷达组网天气雷达

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Transcriptome analysis reveals genes expression pattern of seed response to heat stress in Brassica napus L.

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Oil Crop Science 2021年第2期6卷 87-96页

作者： Guizhen Gao Jihong Hu Xiaojun zhang fugui zhang Mei Li Xiaoming Wu Key Laboratory of Biology and Genetic Improvement of Oil Crops Ministry of Agriculture and Rural AffairsOil Crops Research Institute of the Chinese Academy of Agricultural SciencesWuhan430062China Crop Research Institute of Hunan Province China

Seeds might deteriorate,and lose the ability to germinate when stored under high temperature and high *** napus is one of the most important oil crops in ***,*** seeds were generally stored through summer season with high ambient temperature,which lead to seed viability *** order to understand the mechanism of seed response to heat stress and improve seed heat tolerance,*** seeds were treated with high temperature(40℃)and ultra-high temperature(60℃)for 4 *** germination of heatstressed seeds were obviously slower,the germination index and vigor index decreased with temperature increase from 40 to 60℃,and the 40℃ pretreatment could improve the seed tolerance to 60℃ heat *** results showed that 442 differentially expressed genes(DEGs)were identified in seeds after heat *** ontology and KEGG pathway enrichment analysis revealed that some of the genes were involved in posttranslational modification,protein turnover,chaperones and carbohydrate transport,metabolic pathways and secondary metabolites biosynthesis *** these DEGs,sHSP and transcription factors genes were involved in heat stress ***-two overlapping genes under different high temperature stress(40℃ and 60℃)were enriched in biological processes of response to oxidative stress and abiotic *** expression trends of 12 genes randomly selected from the RNA-seq data were almost consistent with the results of *** results revealed several potential candidate genes and pathways related to heat responsive by high temperature,which is beneficial for further improving the heat tolerance in *** seeds.

关键词： Brassica napus L. Seed Heat stress Transcriptome analyses

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Dissecting the genetic architecture of glucosinolate compounds for quality improvement in flowering stalk tissues of Brassica napus

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Horticultural Plant Journal 2023年第3期9卷 553-562页

作者： Changbin Gao fugui zhang Yang Hu Liping Song Liguang Tang Xueli zhang Cong'an He Aihua Wang Xiaoming Wu Wuhan Vegetable Research Institute Wuhan Academy of Agriculture ScienceWuhanHubei 430345China Key Laboratory of Biology and Genetic Improvement of Oil Crops Ministry of AgricultureOil Crop Research Institute Chinese Academy of Agricultural SciencesWuhanHubei 430062China Jingzhou Academy of Agricultural Science JingzhouHubei 434007China School of Agronomy Anhui Agricultural UniversityHefeiAnhui 230036China

Glucosinolates(GSLs) and their hydrolytic products contribute to the quality traits of rapeseed flowering stalk tissues, such as taste, flavor and anticarcinogenic properties(Glucoraphanin). However, little is known about the genetic mechanisms of GSL accumulation in rapeseed flowering stalks. In this study, the variation and genetic architecture of GSL metabolites in flowering stalk tissues were investigated for the first time among a panel of 107 accessions. All GSL compounds exhibited continuous and wide variations in the present population. Progoitrin,glucobrassicanapin and gluconapin were the most abundant GSL compounds. Five quantitative trait loci(QTL) significantly associated with three GSL compounds were identified by genome-wide association study. GRA_C04 was under selected during modern breeding, in which the ratio of lower GSL haplotype(HAP2) in the accessions bred before 1990(52.56%) was significantly lower than that after 1990(78.95%). Four candidate genes, BnaA01. SOT16, BnaA06. SOT17, Bna A06. MYB51a, and Bna A06. MYB51b, were identified in the GTL_A01 and 4OH_A06 *** findings provide new insights into GSL biosynthesis in flowering stalk tissues and facilitate quality improvement in rapeseed flowering stalks.

关键词： Rapeseed Brassica napus L. Glucosinolate compounds Genome-wide association study(GWAS) Flowering stalk

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Beclin-1/LC3-II dependent macroautophagy was uninfluenced in ischemia-challenged vascular endothelial cells

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Genes & Diseases 2022年第2期9卷 549-561页

作者： Yaping Ma Chaofan Li Yan He Tiwei Fu Li Song Qingsong Ye fugui zhang Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences Chongqing 401147PR China Department of Oral and Maxillofacial Surgery Stomatological Hospital of Chongqing Medical UniversityChongqing 401147PR China Tianyou Hospital Wuhan University of Science&TechnologyWuhanHubei 430064PR China Department of Oral and Maxillofacial Surgery Massachusetts General HospitalBostonMA 02114USA Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education Chongqing 401147PR China Center for Regenerative Medicine Renmin Hospital of Wuhan UniversityWuhanHubei 430060PR China

Autophagy has been extensively studied and occurs in many biological ***,a question remains as to whether ischemia enhances Beclin-1/LC3-II-dependent macroautophagy in vascular endothelial cells,as has been previously ***,the effect of the level of autophagy on cell or skin flap survival still requires *** created a lethal ischemia model in human umbilical vascular endothelial cells(HUVECs),performed quantitative proteomics and bioinformatics analyses,and verified the autophagic status and effect both in vitro and in *** significantly upregulated proteins encoded by autophagy-related genes(ATGs)included ATG2A,ATG3,ATG4B,ATG5,ATG7,ATG9A,ATG12,ATG16,and *** significantly enhanced lysosomal proteins were cathepsin B,cathepsin D,lysosome-associated membrane protein 1(LAMP1),and ***,the differentially expressed proteins excluded Beclin-1,microtubule-associated protein light chain 3(LC3)-I,and *** blot analyses verified that the protein expression levels of Beclin-1,LC3-I,and LC3-II were neither upregulated nor downregulated in ischemia-challenged *** autophagic status was not enhanced by rapamycin in ischemic HUVECs but appeared to be inhibited by *** in vivo study on rats showed that a downregulation in autophagic status jeopardized skin flap *** conclusion,Ischemia neither enhanced nor inhibited Beclin-1/LC3-II-dependent canonical macroautophagy both in vitro and in vivo,in contradiction to previous *** appropriate autophagic homeostasis can minimize cell or skin flap damage.

关键词： Autophagy Bioinformatics analysis Human umbilical vein endothelial cell Quantitative proteomics study Skin flap

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A Study on Some Causes of Rubble Mound Breakwater Failure

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China Ocean Engineering 1996年第4期11卷 473-481页

作者： zhang fugui Ge Zhijin Senior Engineer, River and Harbour Department, Nanjing Hydraulic Research Institute, Nanjing 210024 River and Harbour Department Nanjing Hydraulic Research Institute Nanjing 210024

Rubble mound breakwater, one of the protection structures, has been widely used in coastal and port engineering. Block stones were first used as its armor layer, and its use was limited to shallow sea areas where there is no large waves. Since the specially-shaped armor unit was developed, the rubble mound breakwater has become the main sort of the protection structures, which can be used in deep water zones where storm sometimes occurs. Owing to severe and complex surrounding conditions, the rubble mound breakwater failure sometimes occurs, thus the study on the causes of failure is of great importance. In the present study some breakwater failures at home and abroad are illustrated and the causes of failure are investigated from the point of view of design, test, construction and maintenance.

关键词： rubble mound breakwater protection structure breakwater failure

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Propagating subduction initiation of the Caroline Plate at the Mussau Trench

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Science China Earth Sciences 2025年第1期68卷 253-269页

作者： Chun-Feng LI Yongkang DENG Tao WU Dongdong DONG Guoliang zhang Jiazheng zhang Yutao LIU Yaqing LI fugui TANG Lulu zhang Department of Marine Sciences Zhejiang University Laboratory of Marine Mineral Resources Laoshan Laboratory Key Lab of Marine Geology and Environment Institute of Oceanology Chinese Academy of Sciences Key Lab of Ocean and Marginal Sea Geology South China Sea Institute of Oceanology Chinese Academy of Sciences Science & Technology on Integrated Information System Lab Institute of Software Chinese Academy of Sciences

New seismic imaging from the Mussau Trench confirms that, under horizontal compression on an oceanic plate boundary, it is within the young and weak oceanic plate that a trench will develop, and it is the young plate, not so long after its birth, that starts to subduct toward the old plate. The Mesozoic Pacific Plate cannot easily bend, under the joint horizontal compression and vertical gravity pull, even with a pre-existing weak zone in place and with a large age offset across the plate boundary. The bending of the Caroline Plate near the northern end of the Mussau Trench started only after a long-time span of trench migration, and/or after a prolonged transition from initial compression to trench development. Highly contrasting trench deformation and sedimentary accretion between two parallel seismic sections support an evident migration of underthrusting or significant longitudinal heterogeneity along the trench. The swift transition from underthrusting to non-thrusting can be explained by a counter-clockwise rotation of the Caroline Plate. That miniature accretionary wedges develop even before the subduction initiates imply strong compression and uplifting before the underthrusting can kick-start. Rotation of the Caroline Plate have been halted as the Mussau Trench is seismically rather quiet and the Lyra Trough to the east shows relaxational extension.

关键词： Mussau Trench Subduction initiation Seismic reflection Caroline Plate

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STUDY OF MORPHOLOGICAL DISTRIBUTION OF DEFECTS IN GaAs WAFERS BY INFRARED DIGITAL IMAGE PROCESSING

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Journal of Electronics(China) 1989年第2期6卷 184-188页

作者：张福贵 Institute of Electronics Academia SinicaBeijing

A new method is applied to characterize the defects in GaAs material(*** absorption ofEL2 centres).The method consists of transmitting a laser beam(λ=1.1-1.5μm)through the GaAs wa-fer of 4—8 mm thickness and 50 mm *** image is received by the TOSHIBA 8844 cameraand entered into the DATASUD computer image processing *** image is displayed on amonitor permitting to observe the inhomogeneity(like cross,cells and volutes)of theEL2 and dislocation *** paper will introduce a specific image processing software for GaAs materi-al,called ZHIMAG(zhang IMAGe)and its application to GaAs *** software can bealso applied to any other types of image processing.

关键词： Infrared image GaAs Image processing software

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