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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
2017/11/11
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...
星载GNSS-R海面风速反演方法研究
星载GNSS-R 海面风速 TDS-1 经验模型
2017/11/8
星载GNSS-R因其时延-多普勒相关功率(DDM)波形对风速的敏感性较低，采用理论与实测波形匹配的方法所得风速精度较差。针对这一问题，该文采用一种直接建立相关功率值与风速之间联系的方法获取风速信息。基于相关功率模型对散射功率进行了归一化修正及其简化处理，利用UK TDS-1卫星试验数据和散射计(ASCAT)同比观测风速分别建立归一化散射功率及其简化式与海面风速之间的经验模型。与ASCAT观测风速对...
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
2016/4/7
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...
Satellite Based Augmentation Systems (SBAS) are now being implemented around the world in order to improve the accuracy and integrity of Global Navigation Satellite Systems (GNSS). One of these is the...
Worldwide Trends in GNSS Development and their Implications for Civil User Performance and Safety
Worldwide Trends GNSS Development Civil User Performance Safety
2015/6/25
This paper examines the trends that are apparent in the worldwide development of Global Navigation Satellite Systems (GNSS) and how they will affect the growing population of civil users of satellite-...
Testing of Adaptive Beamsteering for Interference Rejection in GNSS Receivers
Adaptive Beamsteering Interference Rejection GNSS Receivers
2015/6/25
In this work space-time adaptive processing algorithms for interference rejection in a GNSS receiver are tested under experimental conditions with recorded signals generated by a powerful hardware sig...
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...
Using Loran for Broadcast of Integrity Information for Modernized Global Navigation Satellite Systems (GNSS)
Using Loran Broadcast Integrity Information Modernized Global Navigation Satellite Systems (GNSS)
2015/6/25
The United States (US) Federal Aviation Administration (FAA) has been examining the potential of using an enhanced Loran (eLoran) to provide back up for aviation. The 2004 FAA Loran technical evaluati...
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.
Characterizing Nominal Analog Signal Deformation on GNSS Signals
Analog Signal Deformation GNSS Signals
2015/6/25
Satellite-based navigation requires precise knowledge of the structure of the transmitted signals. Accurate knowledge of the shapes of the code correlation peaks is required to ensure no biases are in...