检索结果-南通市图书馆

第三十届中国控制会议

作者： HU Zhen-Tao,LIU Xian-Xing~*,JIN Yong Laboratory of Image Processing & Pattern Recognition,Henan University,Kaifeng 475001,Henan,P.R.China

＜正＞Aiming at the effective approximation of sampling particle set relative to system state in observation uncertainty,a novel cost reference particle filter based on adaptive particle swarm optimization is *** the new algorithm,the cost function and the risk function are firstly introduced to realize reasonable utilization of the latest *** addition, according to the prior modeling information,a new adaptive method is given to solve the selection of limit *** then the movement of particle set towards the region of high weight particle is completed by particle swarm optimization *** algorithm realizes the dynamic combination of the cost reference particle filter and the adaptive particle swarm optimization,and the reliability and stabilize of sampling particle set relative to system state are *** theoretical analysis and experimental results show the efficiency of the proposed algorithm.

关键词： Nonlinear Filter Cost Reference Particle Filter Particle Swarm Optimization observation uncertainty

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Cross-sectional rainfall observation on the central-western Tibetan Plateau in the warm season:System design and preliminary results

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Science China Earth Sciences 2023年第5期66卷 1015-1030页

作者： Kun YANG Yingying CHEN Lazhu Changhui ZHAN Xiaoyan LING Xu ZHOU Yaozhi JIANG Xiangnan YAO Hui LU Xiaogang MA Lin OUYANG Weihao PAN Yanghang REN Changkun SHAO Jiaxin TIAN Yan WANG Hua YANG Siyu YUE Ke ZHANG Dingchi ZHAO Long ZHAO Jianhong ZHOU Mijun ZOU Ministry of Education Key Laboratory for Earth System Modeling Department of Earth System ScienceInstitute for Global Change StudiesTsinghua UniversityBeijing100084China National Tibetan Plateau Data Center State Key Laboratory of Tibetan Plateau Earth System and Resource EnvironmentInstitute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing100101China Research Center for Ecology College of ScienceTibet UniversityLhasa850011China Key Laboratory of Land Surface Pattern and Simulation Institute of Geographic Science and Natural Resources ResearchChinese Academy of SciencesBeijing100101China Chongqing Jinfo Mountain Karst Ecosystem National observation and Research Station School of Geographical SciencesSouthwest UniversityChongqing400715China

The central and western Tibetan Plateau(CWTP)is characterized by harsh environment and strong interactions among the spheres of earth as well as significant changes in climate and water cycles over the past four *** lack of precipitation observations is a bottleneck for the study of land surface processes in this *** the past six years,we have designed and established two observation transects across the south-north and the west-east in this region to obtain hourly rainfall data during the warm season(May-September).The south-north transect extends from Yadong Valley on the southern slope of the Himalayas to Shuanghu County in the hinterland of the plateau,with a total of 31stations;the west-east transect extends from Shiquanhe in the west to Naqu in the central TP,with a total of 22 *** observation dataset has been applied to clarify the spatiotemporal characteristics of precipitation in the CWTP,to evaluate the quality of typical gridded precipitation products,to support the development of regional climate models,and to reveal the processes of summertime lake-air *** observation dataset has been released in the National Tibetan Plateau Data Center.

关键词： Central and western Tibetan Plateau Rainfall observation transects observation uncertainty Spatiotemporal characteristics of precipitation Precipitation data evaluation

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