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基于张量分析的欠定混合矩阵估计算法

通信学报 2022年第11期43卷 35-43页

作者：马宝泽李国军向翠玲徐阳重庆邮电大学光电工程学院重庆400065 重庆邮电大学超视距可信信息传输研究所重庆400065 重庆邮电大学光电信息感测与传输技术重庆市重点实验室博士后科研工作站重庆400065

针对欠定矩阵估计中存在有效特征信息提取难和算法收敛速度慢等问题,提出基于张量分析的瞬时混合欠定矩阵估计算法,旨在克服信号稀疏性约束。该算法通过信号分割子段的自协方差构造对称三阶张量,并压缩为核张量降低数据规模,利用增强线... 详细信息

针对欠定矩阵估计中存在有效特征信息提取难和算法收敛速度慢等问题,提出基于张量分析的瞬时混合欠定矩阵估计算法,旨在克服信号稀疏性约束。该算法通过信号分割子段的自协方差构造对称三阶张量,并压缩为核张量降低数据规模,利用增强线性搜索技术加速交替最小二乘算法的收敛速度,将因子矩阵作为混合矩阵估计的测度,但分割子段数选取是个开放问题。仿真表明,所提算法在估计欠定混合矩阵时性能优于稀疏变换法和传统高阶统计量法。

关键词：欠定矩阵估计对称张量分割策略自协方差矩阵

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短波数字信道化通信探测一体化快速建链方法

通信学报 2023年第1期44卷 89-102页

作者：李国军向翠玲叶昌荣王尊立重庆邮电大学光电工程学院/重庆国际半导体学院重庆400065 重庆邮电大学超视距可信信息传输研究所重庆400065 重庆邮电大学光电信息感测与传输技术重庆市重点实验室博士后科研工作站重庆400065

针对短波通信传统自动链路建立技术选频准确性低、建链效率低、资源利用率低等问题,提出一种基于短波数字信道化接收的通信探测一体化快速建链方法。利用数字信道化技术实现短波全频段并行接收。设计了通信探测一体化波形,解决建链过程... 详细信息

针对短波通信传统自动链路建立技术选频准确性低、建链效率低、资源利用率低等问题,提出一种基于短波数字信道化接收的通信探测一体化快速建链方法。利用数字信道化技术实现短波全频段并行接收。设计了通信探测一体化波形,解决建链过程中波形切换带来的时间冗余和设备兼容问题。设计了探测即建链的快速建链方案,实现复杂电磁环境下的快速稳健通联。实测结果表明,信道化结构能够增强建链系统的接收性能,建链方案相较于传统建链方案有明显优势,信道参数估计方法有较高的估计精度,验证了所提方法在真实短波信道环境的适用性。

关键词：短波通信数字信道化快速建链通信探测一体化信道参数估计

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不同环境温度下的点火瞬态过程数值模拟

兵器装备工程学报 2021年第6期42卷 96-100页

作者：郑凌轩余陵相翠玲南京理工大学机械工程学院南京210094

应用FLUENT流体计算软件,采用UDF功能以及侧壁加质的方法模拟某型号固体火箭发动机燃烧室加质在不同环境温度下的点火瞬态过程。研究了点火初期的升压曲线,点火压强峰值,堵盖打开时间以及装药末端内外压差变化。结果表明:环境温度越高,... 详细信息

应用FLUENT流体计算软件,采用UDF功能以及侧壁加质的方法模拟某型号固体火箭发动机燃烧室加质在不同环境温度下的点火瞬态过程。研究了点火初期的升压曲线,点火压强峰值,堵盖打开时间以及装药末端内外压差变化。结果表明:环境温度越高,发动机头部和后段的压强峰值越高,并且堵盖打开时间越短,装药末端内外压差越大。此外,同燃速条件下,燃速系数和压强指数对点火过程几乎没有影响。

关键词：固体火箭发动机数值模拟环境温度压强峰值压差

Efficient and Stable Perovskite Solar Cells and Modules Enabled by Tailoring Additive Distribution According to the Film Growth Dynamics

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Nano-Micro Letters 2025年第2期17卷 387-400页

作者： Mengen Ma cuiling Zhang Yujiao Ma Weile Li Yao Wang Shaohang Wu Chong Liu Yaohua Mai Institute of New Energy Technology College of Physics&Optoelectronic EngineeringJinan UniversityGuangzhou 510632People’s Republic of China Key Laboratory of New Semiconductors and Devices of Guangdong Higher Education Institutes Jinan UniversityGuangzhou 510632People’s Republic of China Guangdong Mellow Energy Co. LimitedYuanming RoadZhuhai 519075GuangdongPeople’s Republic of China

Gas quenching and vacuum quenching process are widely applied to accelerate solvent volatilization to induce nucleation of perovskites in blade-coating *** this work,we found these two pre-crystallization processes lead to different order of crystallization dynamics within the perovskite thin film,resulting in the differences of additive *** then tailor-designed an additive molecule named 1,3-bis(4-methoxyphenyl)thiourea to obtain films with fewer defects and holes at the buried interface,and prepared perovskite solar cells with a certified efficiency of 23.75%.Furthermore,this work also demonstrates an efficiency of 20.18%for the large-area perovskite solar module(PSM)with an aperture area of 60.84 cm^(2).The PSM possesses remarkable continuous operation stability for maximum power point tracking of T_(90)>1000 h in ambient air.

关键词： Gas quenching Additive distribution Buried passivation Blade coating Crystallization dynamics

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非暴力沟通在外科护护沟通中的应用

护理学杂志 2018年第24期33卷 52-54页

作者：李国春金玲张月芹向翠玲孔盼盼荆门市第二人民医院外科湖北荆门448000

目的探讨非暴力沟通在护护沟通中的应用效果。方法整群抽样选择本院外科片区的3个科室40名护士作为研究对象,对护士实施非暴力沟通5种能力应用的培训和实践。结果干预6个月后,护士团队凝聚力、总体幸福感得分较干预前显著提升(均P <0. ... 详细信息

目的探讨非暴力沟通在护护沟通中的应用效果。方法整群抽样选择本院外科片区的3个科室40名护士作为研究对象,对护士实施非暴力沟通5种能力应用的培训和实践。结果干预6个月后,护士团队凝聚力、总体幸福感得分较干预前显著提升(均P <0. 05)。结论非暴力沟通能提升护士的心理调控能力,提升团队凝聚力和总体幸福感,有助于护理团队建设。

关键词：护士非暴力沟通团队凝聚力总体幸福感

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高速箭弹滚转气动特性

兵工自动化 2020年第8期39卷 81-85页

作者：王纪林相翠玲余陵冯钦林智南京理工大学机械工程学院南京210094 山西北方兴安化学工业有限公司太原030000

为提高尾翼弹射击精度,对高速箭弹滚转气动特性进行研究。建立火箭弹简化模型,对不同翼片斜置角的火箭弹进行数值模拟,采用有限体积法对空间进行离散,通过多参考系模型模拟火箭弹的定常旋转,得出火箭弹的滚转阻尼力矩导数和平衡转速,并... 详细信息

为提高尾翼弹射击精度,对高速箭弹滚转气动特性进行研究。建立火箭弹简化模型,对不同翼片斜置角的火箭弹进行数值模拟,采用有限体积法对空间进行离散,通过多参考系模型模拟火箭弹的定常旋转,得出火箭弹的滚转阻尼力矩导数和平衡转速,并分别对有、无旋转条件下的气动特性进行分析。计算结果表明:火箭弹升力系数随攻角的增大而增大,随翼片斜置角的增大变化不大;滚转阻尼力矩导数在高空时会骤减,平衡转速随着马赫数的增大而增大。

关键词：高速箭弹翼片斜置角滚转阻尼力矩导数平衡转速

DNA Functionalized Fluorescent Quantum Dots for Bioanalytical Applications

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Chinese Journal of Chemistry 2016年第3期34卷 317-325页

作者： cuiling Zhang Caiping Ding Dongshan xiang Li Li Xinghu Ji Zhike He Yuezhong Xian School of Chemistry and Molecular Engineering East China Normal University Shanghai 200241 China Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education) Wuhan University Wuhan Hubei 430072 China School of Chemical and Environmental Engineering Hubei University for Nationalities Enshi Hubei 445000 China

As a newly developed fluorescent probe, DNA functionalized quantum dots （QDs） with unique optical proper- ties play a critical role in the bioanalytical applications. The present review provides an overview on the conjugation technologies of DNA to QDs, including electrostatic attraction, covalent attachment, specific effect and direct syn- thesis. In addition, we summarize recent advances on DNA functionalized QDs in the bioapplications, such as tar- geting nucleic acids, ions, small molecules and the protein detection, cell imaging and disease diagnosis. Finally, we envision aspects concerning current challenges on the DNA functionalized fluorescent QDs.

关键词： quantum dots DNA conjugation fluorescence bioapplications

Analyzing Population Density Disparity in China with GIS-automated Regionalization: The Hu Line Revisited

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Chinese Geographical Science 2019年第4期29卷 541-552页

作者： WANG Fahui LIU cuiling XU Yaping Department of Geography and Anthropology Louisiana State University

The famous ’Hu Line’, proposed by Hu Huanyong in 1935, divided China into two regions(southeast and northwest) of comparable area size but drastically different in population. However, the classic Hu Line was derived manually in absence of reliable census data and computational technologies of modern days. It has been subject to criticism of lack of scientific rigor and accuracy. This research uses a GIS-automated regionalization method, termed REDCAP(Regionalization with Dynamically Constrained Agglomerative Clustering and Partitioning), to reconstruct the demarcation line based on the 2010 county-level census data in China. The results show that the logarithmic transformation of population density is a better measure of attributive homogeneity in derived regions than density itself, and produces two regions of nearly identical area size and greater contrast in population. Specifically, the revised Hu Line by Hu Huanyong in 1990 had the southeast region with 94.4% of total population and 42.9% of total land, and our delineation line yields a southeast region with 97.4% population and 50.8% land. Therefore, the population density ratio of the two regions is 27.1 by our line, much higher than the ratio of 22.4 by the Hu Line, and thus outperforms the Hu Line in deriving regions of maximum density contrast with comparable area size. Furthermore, more regions are delineated to further advance our understanding of population distribution disparity in China.

关键词： Hu Line regional population density disparity GIS-automated regionalization REDCAP (Regionalization with Dynamically Constrained Agglomerative Clustering and Partitioning) China

FORCE FEEDBACK MODEL OF ELECTRO-HYDRAULIC SERVO TELE-OPERATION ROBOT BASED ON VELOCITY CONTROL

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Chinese Journal of Mechanical Engineering 2008年第6期21卷 1-5页

作者： GONG Mingde ZHAO Dingxuan ZHANG Hongyan JIA cuiling College of Mechanical Science and Engineering JUin University Changchun 130022China

The tele-operation robotic system which consists of an excavator as the construction robot, and two joysticks for operating the robot from a safe place are useful for performing restoration in damaged areas. In order to accomplish a precise task, the operator needs to feel a realistic sense of task force brought about from a feedback force between the fork glove of slave robot and unfamiliar environment. A novel force feedback model is proposed based on velocity control of cylinder to determine environment force acting on fork glove. Namely, the feedback force is formed by the error of displacement of joystick with velocity and driving force of piston, and the gain is calculated by the driving force and threshold of driving force of hydraulic cylinder. Moreover, the variable gain improved algorithm is developed to overcome the defect for grasping soft object. Experimental results for fork glove freedom of robotic system are provided to demonstrate the developed algorithm is available for grasping soft object.

关键词： Construction robot Tele-operation Bilateral electro-hydraulic servo control Velocity control Force feedback model