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Recursive Filtering for Stochastic Systems With Filter-and-Forward Successive Relays

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IEEE/CAA Journal of Automatica Sinica 2024年第5期11卷 1202-1212页

作者： Hailong Tan Bo Shen Qi li hongjian liu School of Mathematics-Physics and Finance Anhui Polytechnic UniversityWuhu 241000China Anhui Future Technology Research Institute Anhui Polytechnic UniversityWuhu 241000China College of Information Science and Technology Donghua UniversityShanghai 201620China Engineering Research Center of Digitalized Textile and Fashion Technology Ministry of EducationShanghai 201620China School of Information Science and Engineering Hangzhou Normal UniversityHangzhou 311121China

In this paper,the recursive filtering problem is considered for stochastic systems over filter-and-forward successive relay(FFSR)*** FFSR is located between the sensor and the remote filter to forward the *** the successive relay,two cooperative relay nodes are adopted to forward the signals alternatively,thereby existing switching characteristics and inter-relay interferences(IRI).Since the filter-and-forward scheme is employed,the signal received by the relay is retransmitted after it passes through a linear *** objective of the paper is to concurrently design optimal recursive filters for FFSR and stochastic systems against switching characteristics and IRI of ***,a uniform measurement model is proposed by analyzing the transmission mechanism of ***,novel filter structures with switching parameters are constructed for both FFSR and stochastic *** the help of the inductive method,filtering error covariances are presented in the form of coupled difference ***,the desired filter gain matrices are further obtained by minimizing the trace of filtering error ***,the stability performance of the filtering algorithm is analyzed where the uniform bound is guaranteed on the filtering error ***,the effectiveness of the proposed filtering method over FFSR is verified by a three-order resistance-inductance-capacitance circuit system.

关键词： filtering successive stochastic

Bimolecular reduction of carbon dioxide: double synthons for alkynes trifunctionalization

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Science China Chemistry 2024年第3期67卷 841-847页

作者： Wenfang Xiong Xiaobin Tan hongjian liu Baiyao Zhu Jinwu Zhao Jianxiao li Chaorong Qi Huanfeng Jiang School of Pharmacy Guangdong Medical UniversityDongguan 523808China Key Lab of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou 510640China

Carbon dioxide reduction, as a sustainable and versatile strategy for the access of chemical fuels, has attracted increasing attention and enormous efforts have been devoted to it in recent years. However, employing carbon dioxide as double synthons via bimolecular reduction remains challenging. Here, by leveraging the bimolecular reduction of carbon dioxide to carbonyl and methyl respectively, we describe a Pd-catalyzed trifunctionalization of alkynes with aryl iodide for the first time and showcase its advantages on the formation of various β-diketones and their application in the constructing of heterocyclic compounds with important biological activity, including pyrimidine, oxazole, pyrazole.

关键词： carbon dioxide bimolecular reduction trifunctionalization double synthons

The application of the strip-shaped cymba conchae orthosis in the nonsurgical correction of complex auricular deformity

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Journal of Otology 2024年第1期19卷 24-29页

作者： Huijuan Xu Shaoguang Ding Fei Zhang Zhifeng Zhang Xiangyu Chen Mingyang li Haitao Yang Fugen Han hongjian liu Department of Otolaryngology Head and Neck Surgery People’s Hospital of Henan UniversityHenan Provincial People’s HospitalZhengzhouChina Department of Otolaryngology Head and Neck Surgery Henan Provincial People’s HospitalPeople’s Hospital of Zhengzhou UniversityPeople’s Hospital of Henan UniversityZhengzhouChina Department of Otolaryngology Head and Neck Surgery Henan Children’s HospitalZhengzhouChina Department of Otolaryngology Head and Neck Surgery The Third People’s Hospital of ZhengzhouZhengzhouChina Zheng Dong Mihuan Clinic ZhengzhouChina

Objective: This study aims to evaluate the efficacy and safety of using a strip-shaped cymba conchae orthosis for the nonsurgical correction of complex auricular deformities. Methods: Clinical data were collected from 2020 to 2021 for 6 patients who underwent correction using a stripshaped cymba conchae orthosis. The indications, corrective effects, and complications associated with use of the orthosis were analyzed. Results: There were four indications for treatment: cryptotia with helix adhesion;cryptotia with grade I microtia;cryptotia with excessive helix thickness;and auricular deformity beyond the treatment time window(≥6 months). Excellent corrective effects were observed in all 6 patients. Complications occurred in one patient, who recovered after symptomatic treatment. Conclusion: The use of a strip-shaped cymba conchae orthosis alone or combined with a U-shaped helix orthosis presents a feasible approach for correcting complex auricular deformities or deformities beyond the treatment time window in pediatric patients.

关键词： Cymba conchae Auricular deformity Cryptotia Nonsurgical correction Orthosis

TaCHP encoding C1-domain protein stably enhances wheat yield in saline-alkaline fields

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Journal of Integrative Plant Biology 2024年第2期66卷 169-171页

作者： Guilian Xiao Minqin Wang Xiaomeng li Zhengning Jiang hongjian Zhang Derong Gao Boqiao Zhang Guangmin Xia Mengcheng Wang The Key Laboratory of Plant Development andEnvironment Adaptation Biology Ministry of Education School of Life ScienceShandong UniversityQingdao 266237China Key Laboratory of Wheat Biology and GeneticImprovement for Low&Middle Yangtze Valley Ministry ofAgriculture Lixiahe Agricultural Institute of Jiangsu ProvinceYangzhou 225007China

Salt and saline-alkaline stress seriously threaten crop production and food security worldwide(Yang and Guo,2018).Identifying genes that confer tolerance to these conditions without yield penalty would help mitigate this problem through molecular breeding(liang et al.,2023;Sahu and liu,2023).Although numerous stress-tolerance genes have been identified,their application potential in molecular breeding has rarely been confirmed through multi-year and multi-site field trials.

关键词： breeding fir alkaline

Thrombus migration in patients with acute ischaemic stroke undergoing endovascular thrombectomy

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Stroke & Vascular Neurology 2024年第2期9卷 126-133,I0006-I0395页

作者： ZeFeng Tan Lei Zhang li'an Huang Hongyu Qiao Min Guan Bing Yang Pengfei Yang Yongwei Zhang hongjian Shen Yu Zhou Bo Hong Huaizhang Shi Hongxing Han Xinyi Leng Yi Dong Changlin lian Wenhuo Chen Anding Xu Jianmin liu Neurology First People's Hospital of FoshanFoshanGuangdongChina Department of Neurology Jinan University First Affiliated HospitalGuangzhouGuangdongChina Neurovascular Center Changhai HospitalNaval Medical UniversityShanghaiChina Department of Neurosurgery First Affiliated Hospital of Harbin Medical UniversityHarbinChina Department of Neurology Linyi People's HospitalLinyiShandongChina Medicine&Therapeutics The Chinese University of Hong KongHong KongChina Neurology Huashan Hospital Fudan UniversityShanghaiChina Neurology Zhangzhou Municipal Hospital of Fujian Province and Zhangzhou Affiliated Hospital of Fujian Medical UniversityZhangzhouFujianChina Stroke Center Jinan University First Affiliated HospitalGuangzhouGuangdongChina

Objective The impact of thrombus migration(TM)prior to endovascular thrombectomy(EVT)on clinical outcomes and revascularisation rates remains *** aimed to examine whether preinterventional TM modifies the treatment effects of direct EVT versus bridging EVT in acute large vessel occlusion *** All patients undergoing catheter angiography in the Direct Intra-arterial thrombectomy in order to Revascularise acute ischaemic stroke patients with large vessel occlusion Efficiently in Chinese Tertiary hospitals:A Multicentre randomised clinical Trial were *** was determined by radiologists unaware of the study by analysing discrepancies between computed tomographic angiography at baseline and first-run digital subtraction angiography before *** primary outcome was the score on the modified Rankin scale(mRS)assessed at 90 *** Of 627 included patients,the TM rate was 11.3%(71/627).In the multivariable logistic regression model,baseline National Institutes of Health Stroke Scale score(adjusted OR 0.956,95%CI 0.916 to 0.999;p=0.043)and intravenous thrombolysis(adjusted OR 2.614,95%CI 1.514 to 4.514;plikely to be completely recanalised than those without TM(21.27%vs 36.23%,p=0.040).The interaction of TM and the EVT treatment effect did not significantly affect mRS shift analysis(p=0.687)or mRS scores of 0 to 1(p=0.436).Conclusion Preinterventional TM does not modify the treatment effects of direct versus bridging EVT on functional outcomes in patients with acute ischaemic stroke with anterior large vessel *** leads to a lower complete recanalisation rate.

关键词： patients throm acute

Chitosan Oligosaccharide Induces Plant Resistance Gene Expression in Pinus massoniana

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Journal of Agricultural Science and Technology(A) 2024年第2期14卷 107-117页

作者： Huayang Yin Wanlin Guo Qingtong Wang Jianmin Fang hongjian liu Guangping Dong Xiaojuan li Institute of Forest Protection Anhui Provincial Academy of ForestryHefei 230031AnhuiChina Key Laboratory of National Forestry and Grassland Administration on Prevention and Control Technology of Pine Wilt Disease Hefei 230031AnhuiChina

Chitosan oligosaccharides(COSs)are the main degradation products from chitosan or chitin and have been reported to induce resistance to diseases in herbaceous plants like cucumber and ***,pine wilt disease(PWD)is a devastating disease of conifer tree ***,we hypothesized that COSs induce plant resistance gene(PRG)expression in the woody plant Masson pine,Pinus *** were inoculated into *** seedlings and the BGISEQ-500 platform was used to generate transcriptomes from COSs-treated *** and control seedlings.A total of 501 differentially expressed genes(DEGs)were identified by comparing the treatment and control groups.A total of 251(50.1%)DEGs were up-regulated in the treatment relative to the control seedlings and 250(49.9%)were *** of COSs induced the expression of 31 PRGs in *** seedlings and the relative expression levels of six of the PRGs were verified by *** is the first study to demonstrate that COS induces the expression of PRGs in a tree *** results provide important insights into the function of COSs and further the prospects of developing a COS-based immune inducer for controlling PWD.

关键词： COS PRG Pinus massoniana pine wilt disease

“祝融号”火星车驶离着陆平台决策支持几何参数计算方法

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中国科学院大学学报（中英文） 2024年第1期41卷 81-87页

作者：李昊马友青张烁刘少创中国科学院空天信息创新研究院北京100101 中国科学院大学北京100101

“祝融号”火星车驶离着陆平台是天问1号探测器系统着陆后进行的第一个关键动作,是后续火星表面巡视探测工作的基础。为向火星车安全驶离提供决策支持,提出基于导航相机立体图像的平面间角度计算方法计算着陆平台驶离轨道异面角(两驶离... 详细信息

“祝融号”火星车驶离着陆平台是天问1号探测器系统着陆后进行的第一个关键动作,是后续火星表面巡视探测工作的基础。为向火星车安全驶离提供决策支持,提出基于导航相机立体图像的平面间角度计算方法计算着陆平台驶离轨道异面角(两驶离轨道间夹角)与驶离轨道坡度角(驶离轨道与火星表面间夹角)。阐述基于导航相机图像的火星车在轨驶离决策支持的流程,首先采用前方交会算法获得火星表面点云坐标及驶离轨道特征点坐标,然后创新性地提出结合随机采样一致性(RANSAC)算法与总体最小二乘法的平面拟合方法拟合出驶离轨道平面与火星表面,并通过模拟实验验证了该方法的合理性,最后计算出驶离轨道异面角(0.203°)与两驶离轨道坡度角(-18.947°、-19.154°),并用于“祝融号”火星车在轨驶离决策中。2021年5月22日,“祝融号”火星车成功驶离着陆平台踏上火星表面。

关键词：火星车两器分离立体测量平面拟合

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湿陷性黄土地基大跨度桩基承载特性模型试验

西北大学学报（自然科学版） 2024年第1期54卷 93-100页

作者：刘小华廖红建李明泽刘少华李杭州广州地铁设计研究院股份有限公司广东广州510010 西安交通大学城市学院土木建筑工程学院陕西西安710018 西安交通大学人居环境与建筑工程学院陕西西安710049

城市车辆段上盖开发工程中的大跨度桩基具有单桩竖向承载较大、桩间大跨度范围内土体受荷较小的特点。以西安地铁某车辆段大跨度桩基为研究对象,制备人工湿陷性黄土作为相似材料,开展了湿陷性黄土地层大跨度桩基的室内模型试验,研究大... 详细信息

城市车辆段上盖开发工程中的大跨度桩基具有单桩竖向承载较大、桩间大跨度范围内土体受荷较小的特点。以西安地铁某车辆段大跨度桩基为研究对象,制备人工湿陷性黄土作为相似材料,开展了湿陷性黄土地层大跨度桩基的室内模型试验,研究大跨度桩基在湿陷性黄土地层中的荷载传递机制与变形规律。结果表明:制备的人工湿陷性黄土与现场原状黄土性质接近,将其应用于模型试验时可以得到良好的效果;大跨度桩基在未浸水时,荷载沉降曲线为陡降型,桩身轴力在桩顶附近显著下降,未达到极限承载力时,桩顶沉降、桩端阻力线性增大;在黄土浸水湿陷后,桩身轴力沿埋深方向呈“D”字型分布,随着浸水时间的增加,桩顶沉降、桩端阻力先缓慢增加后显著增加,中性点位置不断向桩身下部移动。

关键词：湿陷性黄土桩基模型试验负摩阻力

Fitting boxes to Manhattan scenes using linear integer programming

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International Journal of Digital Earth 2016年第8期9卷 806-817页

作者： Minglei li liangliang Nan shaochuang liu Integrated Spatial Information Lab Institute of Remote Sensing and Digital EarthChinese Academy of SciencesBeijingPeople’s Republic of China Visual Computing Center King Abdullah University of Science and TechnologyThuwalSaudi Arabia

We propose an approach for automatic generation of building models by assembling a set of boxes using a Manhattan-world *** method first aligns the point cloud with a per-building local coordinate system,and then fits axis-aligned planes to the point cloud through an iterative regularization *** refined planes partition the space of the data into a series of compact cubic cells(candidate boxes)spanning the entire 3D space of the input *** then choose to approximate the target building by the assembly of a subset of these candidate boxes using a binary linear programming *** objective function is designed to maximize the point cloud coverage and the compactness of the final ***,all selected boxes are merged into a lightweight polygonal mesh model,which is suitable for interactive visualization of large scale urban *** results and a comparison with state-of-the-art methods demonstrate the effectiveness of the proposed framework.

关键词： Urban building models aerial point cloud Manhattan scenes linear integer programming