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ELLIPSE: 作品数：103被引量：123H指数：5; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：余文林苑凯华曾东曾海玲曾碧更多>>; 相关机构：广州军区广州总医院东南大学首都师范大学广东工业大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Impact of land use change on carbon storage in the middle reaches of the Yellow River,China: 《Journal of Arid Land》2025年第2期167-181,共15页SHI Xiaoliang ZHANG Jie LIU Simin DING Hao CHEN Xi WANG Li ZHANG Dan; funded by the National Natural Science Foundation of China(52079103);the Outstanding Youth Science Fund of Xi'an University of Science and Technology(2024YQ2-02).; The implementation of long-term shelterbelt programs in the middle reaches of the Yellow River(MRYR),China not only has improved the overall ecological environment,but also has led to the changes of land use pattern,c...; 关键词：carbon storage land use degree integrated valuation of ecosystem services and trade-offs(InVEST)model potential impact standard deviation ellipse(SDE)

Disentangling the influencing factors of spatiotemporal evolution of sloping farmland in the Yangtze River Economic Belt, China: 《Journal of Mountain Science》2024年第11期3702-3719,共18页LIANG Jiale XIA Nan CHEN Wanxu LI Manchun; funded by the grants from the National Natural Science Foundation of China(42230113,42101415);Ministry of Education of Humanities and Social Science Project(21YJCZH181);supported by the Key Laboratory of Natural Resources Monitoring and Supervision in Southern Hilly Region,Ministry of Natural Resources(NRMSSHR2023Y02).; Sloping farmland(SpF)is not only an important space for food production and supply in China’s hilly areas,but also a major source of soil erosion.Thus,it is important to achieve a healthy balance between regional foo...; 关键词：Sloping farmland driving factors standard deviation ellipse Geographic detector Yangtze River Economic Belt

基于 YOLOv8 和 PSP-Ellipse 的火龙果成熟度识别: 《食品与机械》2024年第10期122-128,共7页刘昕璞赵春雷李志锋冯超; 河北省自然科学基金项目(编号:23HB48608603);河北省教育厅教学科研资助项目(编号:224785043012)。; [目的]提高火龙果成熟度检测准确率及鲁棒性。[方法]采用YOLOv8目标检测模型与PSP-Ellipse分割算法相结合的策略,提出一种高效且准确的火龙果成熟度自动识别方法。先利用YOLOv8的实时目标检测功能对火龙果进行初步定位和识别,再通过PSP-...; 关键词：火龙果成熟度识别 YOLOv8 PSP-Ellipse 目标检测形状识别

Everything Is a Circle: A New Universal Orbital Model: 《Advances in Aerospace Science and Technology》2024年第3期94-116,共23页Asli Pinar Tan; Based on measured astronomical position data of heavenly objects in the Solar System and other planetary systems, all bodies in space seem to move in some kind of elliptical motion with respect to each other. Accordin...; 关键词：Solar System Planetary System PLANET Satellite Earth MOON Topology Circle Sun ELLIPSE ORBIT TRAJECTORY Orbital Mechanics

Exact and heuristic formulae to compute the geodetic height from the ellipse equation: 《Geodesy and Geodynamics》2024年第2期150-155,共6页Mohamed Eleiche Ahmed Hamdi Mansi; The conversion of the cartesian coordinates of a point to its geodetic equivalent coordinates in reference to the geodetic ellipsoid is one of the main challenges in geodesy.The ellipse equation in the meridian plane ...; 关键词：Ellipse equation Geodetic height Heuristic geodetic height

Diagnostic Framework Linking Eddy Flux Ellipse with Eddy-Mean Energy Exchange: 《Ocean-Land-Atmosphere Research》2024年第1期10-25,共16页Ru Chen Yi Yang Qianqian Geng Andrew Stewart Glenn Flierl Junyi Wang; supported by the National Natural Science Foundation of China(grant number 42076007);the First-Class University Construction Fund.; The design of non-eddy-resolving numerical models requires a good understanding and an appropriate representation of the eddy-mean flow feedback.To understand this feedback,we propose a diagnostic framework that links...; 关键词：WEAKENING exchange INTERPRETING

Spatial Morphology Evolution Characteristics Analysis of the Resident Population Distribution in Henan, China: 《Journal of Geoscience and Environment Protection》2024年第3期163-180,共18页Kaiguang Zhang Hongling Meng Mingting Ba Danhuan Wen; The population spatial distribution pattern and its evolving pattern play an important role in regional allocation of social resources and production factors, formulation of regional development plans, construction of...; 关键词：Resident Population Spatial Distribution Spatial Morphology Temporal and Spatial Evolution Center Migration Standard Deviation Ellipse Spatial Autocorrelation

Spatiotemporal characteristics of cultivated land use eco-efficiency and its influencing factors in China from 2000 to 2020被引量：1: 《Journal of Arid Land》2024年第3期396-414,共19页LI Shaoting MU Na REN Yanjun Thomas GLAUBEN; supported by the National Natural Science Foundation of China(72373117);the Chinese Universities Scientific Fund(Z1010422003);the Major Project of the Key Research Base of Humanities and Social Sciences of the Ministry of Education(22JJD790052);the Qinchuangyuan Project of Shaanxi Province(QCYRCXM-2022-145).; Improving cultivated land use eco-efficiency(CLUE)can effectively promote agricultural sustainability,particularly in developing countries where CLUE is generally low.This study used provincial-level data from China t...; 关键词：cultivated land use eco-efficiency(CLUE) slacks-based measure(SBM)model barycentre model standard deviation ellipse(SDE) panel Tobit model carbon emissions nonpoint source pollution

Comparison of the Minimum Bounding Rectangle and Minimum Circumscribed Ellipse of Rain Cells from TRMM: 《Advances in Atmospheric Sciences》2024年第3期391-406,共16页Hongke CAI Yaqin MAO Xuanhao ZHU Yunfei FU Renjun ZHOU; supported by the National Natural Science Foundation of China (Grant Nos. U20A2097,42075087, 91837310);the National Key Research and Development Program of China (Grant No. 2021YFC3000902)。; Based on the TRMM dataset, this paper compares the applicability of the improved MCE(minimum circumscribed ellipse), MBR(minimum bounding rectangle), and DIA(direct indexing area) methods for rain cell fitting. These ...; 关键词：TRMM minimum bounding rectangle minimum circumscribed ellipse

Experimental investigation of omnidirectional multiphysics bilayer invisibility cloak with anisotropic geometry: 《Chinese Physics B》2024年第3期649-658,共10页丰火雷张兴伟周利敏张悦凯倪玉山; This work was financially supported by the National Natural Science Foundation of China(Grant No.11572090);the Fundamental Research Funds for the Central Universities(Grant No.3072022GIP0202).; Thermal-electric bilayer invisibility cloak can prevent the heat flux and electric current from touching the object without distorting the external temperature and electric potential fields simultaneously.In this pape...; 关键词：omni-directionality MULTIPHYSICS bilayer confocal ellipse invisibility cloak

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