搜索结果: 1-15 共查到“飞行器控制、导航技术 GNSS”相关记录22条 . 查询时间(0.125 秒)
ＧＮＳＳ诱偏系统转发器的布阵高度分析
全球导航卫星系统 转发式干扰 区域映射 转发器布阵
2018/6/11
在全球导航卫星系统（ｇｌｏｂａｌｎａｖｉｇａｔｉｏｎｓａｔｅｌｌｉｔｅｓｙｓｔｅｍ，ＧＮＳＳ）转发诱偏系统中，系统响应存在实时性差的问
题，这会造成转发的导航参数与真实运动状态存在变化率的偏差。为分析该偏差与转发器布阵高度的关系，将真
假点位移变化量的二范数作为映射偏差的评价指标并构建了目标函数，推导了目标函数最小化求解过程。得到布
阵高度与系统映射偏差成负相关的结论，并通过对接收机运动轨迹...
The annual International Symposium on GNSS has been an open forum for international researchers and practitioners -- especially in the Asia Pacific region, to discuss most recent technologies and appl...
GNSS星间链路自主导航技术研究进展及展望
全球卫星导航系统 星间链路 自主导航
2016/12/27
详细介绍了全球四大GNSS系统的星间链路（ISL）发展建设现状,并系统总结了国内外自主导航技术相关的关键性研究问题，得出对我国星间链路建设的启迪，指出我国星间链路自主导航亟需解决的研究重点和发展方向，为我国卫星导航系统的发展建设提供参考。
测量数据处理与GNSS导航学术研讨会在石大召开
测量数据处理 GNSS导航 研讨会
2015/11/25
2015年11月20～21日，2015年测量数据处理与GNSS导航学术研讨会在我校召开。会议由中国测绘地理信息学会大地测量与导航专业委员会主办，中国石油大学（华东）和山东科技大学承办，旨在深入讨论大地测量数据处理、GNSS导航最新理论成果和发展动向，提高测绘类专业高等教育质量。
A Prototyping Platform for Multi-Frequency GNSS Receivers
Prototyping Platform Multi-Frequency GNSS Receivers
2015/6/26
Dennis M. Akos completed the Ph.D. degree in Electrical Engineering at Ohio University conducting his graduate research within the Avionics Engineering Center. After completing his graduation he has s...
Understanding PHMI for Safety of life applications in GNSS
Understanding PHMI life applications GNSS
2015/6/25
Future satellite navigation systems (like Galileo) intend to provide safety-of-life services, or at least a form of integrity information. Integrity is characterized by the Probability of Hazardously ...
The Impact and Mitigation of Ionosphere Anomalies on Ground-Based Augmentation of GNSS
Ionosphere Anomalies Ground-Based Augmentation GNSS
2015/6/25
This paper describes the impact that extreme ionospheric spatial gradients occurring during severe ionosphere storms have on GNSS Ground Based Augmentation Systems (GBAS) and how the U.S. Local Area A...
Integrating Loran and GNSS for Safety of Life Applications
Integrating Loran GNSS Safety Life Applications
2015/6/25
Navigators have often used integration of information from multiple sensors to form a more robust and accurate navigation solution. Integrated Loran and global navigation satellite system (GNSS) is on...
This paper presents novel Global Navigation Satellite System (GNSS)-based flight inspection systems (FIS) that outperform current flight inspection systems in terms of cost, efficiency, and integrity.
Alternative Characterization of Analog Signal Deformation for GNSS‐GPS Satellites
Analog Signal Deformation GNSS‐GPS Satellites
2015/6/24
Currently, analog signal deformation is described using individual-chip step response curves for each GPS/WAAS-GEO satellite. Such a set of curves is helpful– it allows us to have an overall idea of t...
Local-Area Differential GNSS Architectures Optimized to Support Unmanned Aerial Vehicles (UAVs)
Local-Area Differential GNSS Architectures Optimized Unmanned Aerial Vehicles (UAVs)
2015/6/24
As the applications of Unmanned Aerial Vehicles (UAVs) expand, UAVs will be combined into networks that cooperate to perform various missions within 10 to 200 km of a centralized controller. GNSS is t...
为减少无线电掩星(RO)大气探测星座的卫星数量并增加探测数据量,将北斗(BD)和GPS、Galileo、GLONASS共同作为探测信源,提出一种多全球导航卫星系统(GNSS)掩星大气探测星座概念和优化设计方法。融合先验大气模型和二维射线追踪算法,建立兼容多GNSS信源的掩星事件前向模拟算法,实现掩星事件快速精确仿真;给出多GNSS掩星大气探测星座参数对探测性能的影响特性,降低了星座模型的复杂度;并...
GNSS服务空域空间信号可用性比较与分析
全球卫星导航系统 服务空域 空间信号可用性 可见卫星数
2014/4/9
通过基本参数对全球卫星导航系统（GPS、GLONASS、Galileo和北斗）空间信号可用性影响实验，得出四系统的Aknee值分别为3800km、1100km、3800km和1000km，对应的平均可见卫星数为25、16、22和14/22（亚太地区、MEO星座/混合星座）。分析了三种典型轨道用户的卫星可见性，北斗和GLONASS对MEO和HEO用户的空间信号可用性能较GPS和Gali...
国际GNSS服务组织主席畅谈卫星导航（图）
国际GNSS服务组织 主席 畅谈 卫星导航
2013/5/17
本网讯（实习生古桂婷 通讯员高柯夫）“武汉大学作为IGS在亚洲地区唯一的实时轨道产品提供者，在IGS中做出了积极贡献。”5月13日，卫星导航领域国际知名专家吴尔思·胡根特伯（Hrs Hugentobler）登上珞珈讲坛，报告中多次提到武大的贡献。