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Nonlinear Filtering With Sample-Based Approximation Under Constrained Communication:Progress, Insights and Trends

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IEEE/CAA Journal of Automatica Sinica 2024年第7期11卷 1539-1556页

作者： Weihao Song Zidong Wang Zhongkui li Jianan Wang Qing-Long Han IEEE the State Key Laboratory for Turbulence and Complex Systems Department of Mechanics and Engineering ScienceCollege of Engineering Peking University the Department of Computer Science Brunel University London the School of Aerospace Engineering Beijing Institute of Technology the School of Science Computing and Engineering Technologies Swinburne University of Technology

The nonlinear filtering problem has enduringly been an active research topic in both academia and industry due to its ever-growing theoretical importance and practical *** main objective of nonlinear filtering is to infer the states of a nonlinear dynamical system of interest based on the available noisy measurements. In recent years, the advance of network communication technology has not only popularized the networked systems with apparent advantages in terms of installation,cost and maintenance, but also brought about a series of challenges to the design of nonlinear filtering algorithms, among which the communication constraint has been recognized as a dominating concern. In this context, a great number of investigations have been launched towards the networked nonlinear filtering problem with communication constraints, and many samplebased nonlinear filters have been developed to deal with the highly nonlinear and/or non-Gaussian scenarios. The aim of this paper is to provide a timely survey about the recent advances on the sample-based networked nonlinear filtering problem from the perspective of communication constraints. More specifically, we first review three important families of sample-based filtering methods known as the unscented Kalman filter, particle filter,and maximum correntropy filter. Then, the latest developments are surveyed with stress on the topics regarding incomplete/imperfect information, limited resources and cyber ***, several challenges and open problems are highlighted to shed some lights on the possible trends of future research in this realm.

关键词： Communication constraints maximum correntropy filter networked nonlinear filtering particle filter sample-based approximation unscented Kalman filter

Unraveling the regulatory network of flower coloration in soybean:Insights into roles of GmMYBA3 and GmMYBR1

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The Crop Journal 2024年第2期12卷 443-455页

作者： Ruifang Gao Yueqing li Yanan Wang Xiaotong Shan Siqi Yang Ye Zhang Saiyu Ma Chunbao Zhang Jianchun Qin li Wang Xiang Gao College of Plant Science Jilin UniversityChangchun 130062JilinChina Key Laboratory of Molecular Epigenetics of MOE and Institute of Genetics&Cytology Northeast Normal UniversityChangchun 130024JilinChina Soybean Research Institute National Engineering Research Center for SoybeanJilin Academy of Agricultural SciencesChangchun 130033JilinChina

Anthocyanins play crucial roles in pollen protection and pollinator attraction in flowering ***,the mechanisms underlying flower color determination and whether floral anthocyanin regulators participate in other processes remain largely unresolved in soybeans(Glycine max).In this study,we investigated the genetic components and mechanisms governing anthocyanin biosynthesis in soybean *** and genetic studies have characterized two antagonistic regulators,the positive activator GmMYBA3 and the negative repressor GmMYBR1,that modulate the gene expression of anthocyanin biosynthesis in soybean *** findings revealed a regulatory interplay between GmMYBA3 and GmMYBR1 bridged by GmTT8a,highlighting the complexity of anthocyanin regulation in different soybean *** of additional soybean cultivars demonstrated the universality of GmMYBA3 and GmMYBR1 in regulating floral anthocyanin biosynthesis-related genes,with GmF3’5’H identified as a crucial determinant of white flower *** study provides a molecular mechanism underlying soybean flower color determination,paving the way for the molecular modification of soybean flowers to probably enhance their resistance to abiotic stresses and attractiveness to pollinators.

关键词： Anthocyanin Flower color determination MBW complex MYB repressor Pleiotropic regulator

Dynamic behavior analysis, color image encryption and circuit implementation of a novel complex memristive system

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Optoelectronics Letters 2024年第3期20卷 183-192页

作者： XIONG li WANG Xuan ZHANG Xinguo HE Tongdi School of Physics and Electromechanical Engineering Hexi UniversityZhangye 734000China School of Information Science and Engineering Dalian Polytechnic UniversityDalian 116034China School of Information Science and Engineering Lanzhou UniversityLanzhou 730000China

This paper is devoted to introduce a novel four-dimensional memristor-involved system and its applications in image encryption and chaotic circuit. The typical dynamical behaviors of the memristor-involved system are explored, such as chaotic phase potraits, Lyapunov exponent spectrum(LES), bifurcation diagram(BD) and complexity analysis. Then a color image encryption algorithm is designed. In this algorithm, the sequences generated by the four-dimensional memristor-involved system are used in scrambling and diffusion algorithm for three channels.

关键词： image system chaotic

Controllable Ring-opening Polymerization of δ-Valerolactone Catalyzed by Quinolinyl-Urea/MTBD Systems

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CHINESE JOURNAL OF POLYMER SCIENCE 2024年第8期42卷 1103-1110页

作者： liu, Xin-Yu Zhu, liang Jie, Su-Yun li, Bo-Geng Zhejiang Univ Coll Chem & Biol Engn State Key Lab Chem Engn Hangzhou 310058 Peoples R China

Due to their excellent biocompatibility and biodegradability, aliphatic polyesters are widely used in the biomedical, packaging and agricultural fields, which are usually accessed by the ring-opening polymerization (ROP) of lactones and the catalysts particularly play an important role. Herein a series of quinolinyl-urea catalysts have been synthesized via the reaction between isocyanate and aminoquinoline with an amino group at different substitution positions and characterized. In combination with 7-methyl-1, 5, 7-triazabicyclo[4,4,0]dec-5-ene (MTBD) as a cocatalyst and benzyl alcohol (BnOH) as an initiator, 1-(3,5-bis(trifluoromethyl)phenyl)-3-(quinolin-3-yl)urea (3-QU) was observed to be most active for the ROP of delta-valerolactone (delta-VL). The polymerization conditions were optimized by varying the type of organic base, catalyst concentration and reaction temperature. By changing the ratio of [M]0/[I], linear polyvalerolactones (PVLs) with different molecular weights and narrow molecular weight distribution were prepared. The kinetic and chain extension experiments were carried out to prove the "living"/controllable feature. And the NMR experiments were used to support the proposal of possible mechanism.

关键词： Quinolinyl-urea Ring-opening polymerization PVL DEGRADATION POLYCAPROLACTONE ORGANOCATALYSIS OPPORTUNITIES CHALLENGES

ZmCYP90D1 regulates maize internode development by modulating brassinosteroid-mediated cell division and growth

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The Crop Journal 2024年第1期12卷 58-67页

作者： Canran Sun Yang liu Guofang li Yanle Chen Mengyuan li Ruihua Yang Yongtian Qin Yongqiang Chen Jinpeng Cheng Jihua Tang Zhiyuan Fu Key Laboratory of Wheat and Maize Crops Science/Collaborative Innovation Center of Henan Grain Crops/College of Agronomy Henan Agricultural UniversityZhengzhou 450046HenanChina The Shennong Laboratory Zhengzhou 450002HenanChina Hebi Academy of Agricultural Sciences Hebi 458030HenanChina Yunnan Tang Jihua Expert Workstation/Zhaotong Academy of Agricultural Sciences Zhaotong 657000YunnanChina

Plant height(PH)is associated with lodging resistance and planting density,which is regulated by a complicated gene *** this study,we identified a spontaneous dwarfing mutation in maize,m30,with decreased internode number and length but increased internode diameter.A candidate gene,ZmCYP90D1,which encodes a member of the cytochrome P450 family,was isolated by map-based ***90D1 was constitutively expressed and showed highest expression in basal internodes,and its protein was targeted to the nucleus.A G-to-A substitution was identified to be the causal mutation,which resulted in a truncated protein in *** of function of ZmCYP90D1 changed expression of hormoneresponsive genes,in particular brassinosteroid(BR)-responsive genes which is mainly involved in cell cycle regulation and cell wall extension and modification in *** concentration of typhasterol(TY),a downstream intermediate of ZmCYP90D1 in the BR pathway,was reduced.A haplotype conferring dwarfing without reducing yield was ***90D1 was inferred to influence plant height and stalk diameter via hormone-mediated cell division and cell growth via the BR pathway.

关键词： Maize ZmCYP90D1 BR biosynthesis Dwarf plant

Discontinuity development patterns and the challenges for 3D discrete fracture network modeling on complicated exposed rock surfaces

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第6期16卷 2154-2171页

作者： Wen Zhang Ming Wei Ying Zhang Tengyue li Qing Wang Chen Cao Chun Zhu Zhengwei li Zhenbang Nie Shuonan Wang Han Yin College of Construction Engineering Jilin UniversityChangchun130026China liaoning Nonferrous Geological Exploration and Research Institute Co. Shenyang110013China School of Earth Sciences and Engineering Hohai UniversityNanjing210098China Northeastern University Shenyang110819China

Natural slopes usually display complicated exposed rock surfaces that are characterized by complex and substantial terrain undulation and ubiquitous undesirable phenomena such as vegetation cover and *** study presents a systematic outcrop research of fracture pattern variations in a complicated rock slope,and the qualitative and quantitative study of the complex phenomena impact on threedimensional(3D)discrete fracture network(DFN)*** the studies of the outcrop fracture pattern have been so far focused on local variations,thus,we put forward a statistical analysis of global *** entire outcrop is partitioned into several subzones,and the subzone-scale variability of fracture geometric properties is analyzed(including the orientation,the density,and the trace length).The results reveal significant variations in fracture characteristics(such as the concentrative degree,the average orientation,the density,and the trace length)among different ***,the density of fracture sets,which is approximately parallel to the slope surface,exhibits a notably higher value compared to other fracture sets across all *** improve the accuracy of the DFN modeling,the effects of three common phenomena resulting from vegetation and rockfalls are qualitatively analyzed and the corresponding quantitative data processing solutions are ***,the 3D fracture geometric parameters are determined for different areas of the high-steep rock slope in terms of the subzone *** results show significant variations in the same set of 3D fracture parameters across different regions with density differing by up to tenfold and mean trace length exhibiting differences of 3e4 *** study results present precise geological structural information,improve modeling accuracy,and provide practical solutions for addressing complex outcrop issues.

关键词： Complicated exposed rock surfaces Discontinuity characteristic variation Three-dimensional discrete fracture network modeling Outcrop study Vegetation cover and rockfalls

The role of corneal endothelium in macular corneal dystrophy development and recurrence

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Science China(life Sciences) 2024年第2期67卷 332-344页

作者： Bi-Ning Zhang Benxiang Qi Chunxiao Dong Bin Zhang Jun Cheng Xin Wang Suxia li Xiaoyun Zhuang Shijiu Chen Haoyun Duan Dewei li Sujie Zhu Guoyun li Yihai Cao Qingjun Zhou lixin Xie Eye Institute of Shandong First Medical University Qingdao Eye Hospital of Shandong First Medical UniversityQingdao 266071China State Key Laboratory Cultivation Base Shandong Provincial Key Laboratory of OphthalmologyQingdao 266071China School of Ophthalmology Shandong First Medical UniversityQingdao 250021China Department of Medicine Qingdao UniversityQingdao 266071China Eye Institute of Shandong First Medical University Eye Hospital of Shandong First Medical University(Shandong Eye Hospital)Jinan 250021China Department of Ophthalmology School of Clinical MedicineWeifang Medical UniversityWeifang 261072China Institute of Translational Medicine College of MedicineQingdao UniversityQingdao 266071China Key Laboratory of Marine Drugs of Ministry of Education Shandong Provincial Key Laboratory of Glycoscience and GlycotechnologySchool of Medicine and PharmacyOcean University of ChinaQingdao 266071China Laboratory for Marine Drugs and Bioproducts Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266071China Department of Microbiology Tumor and Cell BiologyBiomedicumKarolinska InstitutetStockholm 17177Sweden

Macular corneal dystrophy(MCD)is a progressive,bilateral stromal dystrophic disease that arises from mutations in carbohydrate sulfotransferase 6(CHST6).Corneal transplantation is the ultimate therapeutic solution for MCD ***,postoperative recurrence remains a significant *** conducted a retrospective review of a clinical cohort comprising 102 MCD patients with 124 eyes that underwent either penetrating keratoplasty(PKP)or deep anterior lamellar keratoplasty(DALK).Our results revealed that the recurrence rate was nearly three times higher in the DALK group(39.13%,9/23 eyes)compared with the PKP group(10.89%,11/101 eyes),suggesting that surgical replacement of the corneal endothelium for treating MCD is advisable to prevent postoperative *** experimental data confirmed the robust m RNA and protein expression of CHST6 in human corneal endothelium and the rodent homolog CHST5 in mouse *** knockdown of wild-type Chst5 in mouse corneal endothelium(AC^(siChst5)),but not in the corneal stroma,induced experimental MCD with similar extracellular matrix synthesis impairments and corneal thinning as observed in MCD *** carrying Chst5 point mutation also recapitulated clinical phenotypes of MCD,along with corneal endothelial *** injection of wild-type Chst5 rescued the corneal impairments in AC^(siChst5)mice and retarded the disease progression in Chst5 mutant ***,our study provides new mechanistic insights and therapeutic approaches for MCD treatment by highlighting the role of corneal endothelium in MCD development.

关键词： macular corneal dystrophy recurrence corneal endothelium keratan sulfate penetrating keratoplasty

Review of GAN-Based Research on Chinese Character Font Generation

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Chinese Journal of Electronics 2024年第3期33卷 584-600页

作者： Xuanhong WANG Cong li Zengguo SUN Luying HUI Xi'an University of Posts and Telecommunications School of Computer Science Shaanxi Normal University Key Laboratory of Intelligent Computing and Service Technology for Folk Song Ministry of Culture and Tourism

With the rapid development of deep learning,generative adversarial network(GAN) has become a research hotspot in the field of computer *** has a wide range of applications in image *** by GAN,a series of models of Chinese character font generation have been proposed in recent *** this paper,the latest research progress of Chinese character font generation is analyzed and *** and its development history are ***-based methods for Chinese character font generation are clarified as well as their improvements,based on whether the specific elements of Chinese characters are *** public datasets used for font generation are summarized in detail,and various application scenarios of font generation are *** evaluation metrics of font generation are systematically summarized from both qualitative and quantitative *** paper contributes to the in-depth research on Chinese character font generation and has a positive effect on the inheritance and development of Chinese culture with Chinese characters as its carrier.

关键词： Generative adversarial network Font generation Image-to-image translation Deep learning

Genome-wide association study of grain micronutrient concentrations in bread wheat

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Journal of Integrative Agriculture 2024年第5期23卷 1468-1480页

作者： Yongchao Hao Fanmei Kong lili Wang Yu Zhao Mengyao li Naixiu Che Shuang li Min Wang Ming Hao Xiaocun Zhang Yan Zhao State Key Laboratory of Crop Biology/College of Agronomy Shandong Agricultural UniversityTai'an 271018China College of Resources and Environment Shandong Agricultural UniversityTai'an 271018China Jining liangshan Ecological Environment Affairs Center Jining 272100China College of Forestry Shandong Agricultural UniversityTai'an 271018China

Bread wheat(Triticum aestivum)is a staple food crop *** genetic dissection of important nutrient traits is essential for the biofortification of wheat to meet the nutritional needs of the world's growing ***,45,298 single-nucleotide polymorphisms(SNPs)from 55K chip arrays were used to genotype a panel of 768 wheat cultivars,and a total of 154 quantitative trait loci(QTLs)were detected for eight traits under three environments by genome-wide association study(GWAS).Three QTLs(qMn-3B.1,qFe-3B.4,and qSe-3B.1/qFe-3B.6)detected repeatedly under different environments or traits were subjected to subsequent analyses based on linkage disequilibrium decay and the P-values of significant *** SNPs in the three QTL regions formed six haplotypes for qMn-3B.1,three haplotypes for qFe-3B.4,and three haplotypes for qSe-3B.1/*** analysis revealed significant differences among *** results indicated that the concentrations of several nutrient elements have been modified during the domestication of landraces to modern *** on the QTL regions,we identified 15 high-confidence genes,eight of which were stably expressed in different tissues and/or developmental ***3B02G046100 in qMn-3B.1 and TraesCS3B02G199500 in qSe-3B.1/qFe-3B.6 were both inferred to interact with metal ions according to the Gene Ontology(GO)***3B02G199000,which belongs to qSe-3B.1/qFe-3B.6,was determined to be a member of the WRKY gene ***,this study provides several reliable QTLs that may significantly affect the concentrations of nutrient elements in wheat grain,and this information will facilitate the breeding of wheat cultivars with improved grain properties.

关键词： bread wheat nutritional element GWAS domestication haplotype