云南高校图书馆联盟文献共享服务平台- LEO

LEO: 作品数：798被引量：1528H指数：15; 导出分析报告; 相关领域：电子电信天文地球更多>>; 相关作者：唐小伟梁旭文刘业楠胡小工郭鹏更多>>; 相关机构：上海贝高福厨房用具有限公司中国科学院武汉大学中国科学院大学更多>>; 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国家高技术研究发展计划浙江省自然科学基金更多>>

城市复杂环境低轨增强BDS精密定位方法: 《导航定位学报》2025年第2期49-56,共8页蒋世俊李星星付元辰李岩张逸凡马悦; 为了进一步满足城市复杂环境下,北斗卫星导航系统(BDS)高精度实时定位的需求,提出低地球轨道(LEO)星座增强BDS精密定位与模糊度快速固定方法,在城市复杂环境下实现快速高精度定位:设计包含192颗低轨卫星的极轨星座;采用实测鱼眼相机影...; 关键词：低地球轨道(LEO)星座北斗卫星导航系统(BDS) 精密单点定位模糊度固定(PPP-AR) 城市复杂环境

圣加仑的Leo酒店: 《建筑细部》2025年第2期248-255,共8页无秦艳辉(译) 邱凯乐(译); 位于圣加仑区维森塔尔别墅的花园中的Leo酒店于2023年竣工,建筑高耸修长,直冲云霄。该酒店由Boltshauser Architekten建筑事务所设计,采用八层框架结构建造,填充部分为实心材料。酒店内部主要使用的是压缩土坯砖和亚黏土砖。建筑外立面...; 关键词：Leo酒店圣加仑区维森塔尔别墅 Boltshauser Architekten

Passive Metasurface-Based Low Earth Orbit Ground Station Design: 《Tsinghua Science and Technology》2025年第1期148-160,共13页Hao Pan Lili Qiu; Low Earth Orbit(LEO)satellite communication is vital for wireless systems.The main challenges in designing LEO satellite ground stations include increasing the input signal strength to counteract severe path loss,and ...; 关键词：Low Earth Orbit(LEO)communication passive metasurface phased array antenna

低轨卫星轨道根数型星历拟合精度分析: 《导航定位学报》2025年第1期52-60,共9页杜俊锋戴小蕾楼益栋李新刚包泽宇; 国家自然科学基金面上项目(42374033);湖北省重点研发计划项目(2022BAA054)。; 为了进一步提高低轨(LEO)卫星拟合精度,探究星历参数设计对于不同轨道高度低轨(LEO)卫星拟合精度的影响:利用全球定位系统(GPS)16、18参数广播星历,对轨道长半轴、偏心率、轨道倾角和近地点幅角进行频谱分析;然后设计分别适用于LEO卫星...; 关键词：低轨卫星(LEO) 广播星历设计参数拟合精度分析

在轨边缘微云的概念、架构与关键技术研究: 《航天技术与工程学报》2025年第1期25-35,共11页冉德超吴鹏于帅王晓明朱孔林; 北京市科技新星项目(20220484085)。; 当前,低轨星群正在落地实施,边缘计算技术与低轨星群的结合已经成为航天技术重要的发展方向。本文从提升低轨星群在轨处理多种人工智能(AI)任务能力的角度出发,提出了在轨边缘微云的概念,即由多颗物理空间临近或通信拓扑相连的卫星组网...; 关键词：低轨(LEO)星群边缘计算(EC) 在轨边缘微云服务迁移

Paleoclimate data assimilation: Principles and prospects: 《Science China Earth Sciences》2025年第2期407-424,共18页Haoxun ZHANG Mingsong LI Yongyun HU; supported by the National Key Research and Development Program of China (Grant Nos. 2022YFF0802900 & 2021YFA0718200);the High-performance Computing Platform of Peking University。; Reconstructing climate states during geological periods is a key focus in studying Earth system evolution. Substantial progress has been achieved in reconstructing paleoclimate and paleoenvironment using both Earth sy...; 关键词：Paleoclimate state reconstruction Paleoclimate data assimilation Earth system model Paleoclimate proxies Kalman filter

Multi-QoS routing algorithm based on reinforcement learning for LEO satellite networks: 《Journal of Systems Engineering and Electronics》2025年第1期37-47,共11页ZHANG Yifan DONG Tao LIU Zhihui JIN Shichao; National Key Research and Development Program(2021YFB2900604)。; Low Earth orbit(LEO)satellite networks exhibit distinct characteristics,e.g.,limited resources of individual satellite nodes and dynamic network topology,which have brought many challenges for routing algorithms.To sa...; 关键词：low Earth orbit(LEO)satellite network reinforcement learning multi-quality of service(QoS) routing algorithm

LEO Satellite Performance Comparison under Two Different Elevations: 《International Journal of Communications, Network and System Sciences》2025年第1期1-13,共13页Shkelzen Cakaj; Satellites in LEO (Low Earth Orbits) are closest to the Earth’s surface, having the smallest coverage area compared to other orbits, depending on altitude and elevation angle, and providing relatively too short visib...; 关键词：ELEVATION LEO Horizon Plane Satellite Radar Map

Dynamics of Nonlinear Waves in(2+1)-Dimensional Extended Boiti-Leon-Manna-Pempinelli Equation: 《应用数学》2024年第4期1103-1113,共11页SUN Junxiu WANG Yunhu; Supported by the National Natural Science Foundation of China(12275172)。; Based on the Hirota bilinear method,this study derived N-soliton solutions,breather solutions,lump solutions and interaction solutions for the(2+1)-dimensional extended Boiti-Leon-Manna-Pempinelli equation.The dynamic...; 关键词：Hirota bilinear method N-soliton solutions Breather solutions Lump solutions Interaction solutions (2+1)-dimensional extended Boiti-Leon-Manna-Pempinelli equation

Ice sheet expansion in the Cretaceous greenhouse world: 《Fundamental Research》2024年第6期1586-1593,共8页Tianyang Wang Songlin He Qinghai Zhang Lin Ding Alexander Farnsworth Fulong Cai Chao Wang Jing Xie Guobiao Li Jiani Sheng Yahui Yue; supported by the National Natural Science Foundation of China BSCTPES project(41988101);Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0708);the National Natural Science Foundation of China(42102021),the Chinese Academy of Sciences,Strategic Priority Research Program(XDA20070301);the Special Research Assistant Funding Project of Chinese Academy of Sciences(2021000015).; Globally elevated temperatures during the Cretaceous extreme greenhouse climate interval were punctuated by the Valanginian cooling event,which was characterized by a positive carbon isotope excursion,global cooling,a...; 关键词：Global carbon-cycle dynamics Paleoclimatic reconstruction Clumped and oxygen isotopes Polar ice volume Valanginian cooling event

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