搜索结果: 1-6 共查到“航空、航天科学技术 GLONASS”相关记录6条 . 查询时间(0.125 秒)
Statistical Characterization of GLONASS Broadcast Ephemeris Errors
GLONASS Broadcast Ephemeris
2015/6/24
For critical navigation applications such as aircraft approach and landing, there is a general desire to use multi-constella-tion global navigation satellite systems (GNSS) to enhance availability and...
Statistical Characterization of GLONASS Broadcast Clock Errors and Signal-In-Space Errors
Statistical Characterization GLONASS Broadcast Clock Errors Signal-In-Space Errors
2015/6/24
With more than 70 navigation satellites orbiting the Earth,global navigation satellite systems (GNSS) users are fas-cinated to use multiple constellations to enhance position-ing availability, accurac...
Incorporating GLONASS into Aviation RAIM Receivers
Incorporating GLONASS Aviation RAIM Receivers
2015/6/24
Recently the Russian government issued a mandate on the use of their GLObal NAvigation Satellite System (GLONASS) for Russian operated aircraft [1]. There is some concern and uncertainty both in exact...
无人机CNSS/GLONASS组合导航技术
无人机 组合导航 北斗卫星导航系统 GLONASS 导航系统
2013/5/15
为实现无人机导航系统覆盖范围大、精度高、动态强等要求，从分析我国无人机导航现状入手，研究 CNSS/GLONASS 组合导航定位数据解算方法。基于“当前”统计模型建立状态方程和观测方程，并通过飞行实验 和数据分析对相关性能进行验证。结果表明：提出的CNSS/GLONASS 组合导航定位数据解算方法可实现2 种系统 的优势互补，提高北斗系统在无人机高动态导航中的可用性，增强无人导航精度。
研究了ＧＰＳ和ＧＬＯＮＡＳＳ在民用航空中的应用前景。分析了组合ＧＰＳ和ＧＬＯＮＡＳＳ所具备的可用性、精确性和完整性潜力。组合ＧＰＳ／ＧＬＯＮＡＳＳ在我国民航中具有重要的技术与战略意义。提出了一种集成１２通道ＧＰＳ／ＧＬＯＮＡＳＳ接收机的结构与实现。射频前端部分采用３级变频将ＧＰＳ和ＧＬＯＮＡＳＳ信号变至中频并采样为同相与正交样本。数字处理部分对各样本加以积累与处理，解调卫星的导航电文。在导航解算中...