BDS相关论文
随着北斗卫星导航系统(BDS)建设的不断完善和各种应用的深入,新的技术与应用需求也会不断出现。本文首先在模糊度的解算中提出了使用......
随着北斗卫星导航系统的组网建设完成,北斗卫星导航系统的定位精度、应用范围及服务能力逐步增强,基于北斗地基增强的CORS系统定位精......
为了评估BDS载波动态差分的最新定位性能,文中选择在巴西、美国、澳大利亚和中国境内共8个IGS站构成的基线长度在30 km以下的4条基......
北斗卫星导航系统(BDS)在我国南部地区具有独特优势,对满足南部地区卫星导航定位日益增长的需求具有重要作用。选择了我国南部沿海3座......
北斗卫星导航系统(Beidou Navigation Satellite System, BDS)作为我国自主研制的卫星导航系统,开展与其相关的研究工作关乎维护国家......
利用C语言编程进行北斗卫星星历数据的实时读取,更新结构体的卫星轨道参数,从而实现北斗卫星位置的解算,并与武汉大学数据中心提供的......
本文在借鉴已有的GNSS多频导航定位技术的基础上,详细研究了BDS三频数据处理理论与方法。推导并定义了BDS非差观测模型与差分观测......
针对传统钟差预报模型初始偏差值较大的问题,本文采用长短时记忆网络(LSTM)优化传统钟差预报模型进行短期钟差预报。首先利用二次多项......
随着科学技术的进步,BDS标准时间服务的精度已无法满足某些特定领域的需求。UTC(NTSC作为我国的国家标准时间,是我国时间服务的基......
我国自主研发并独立运行的北斗卫星导航系统(Bei Dou Navigation Satellite System,BDS)为我国的国防和民用卫星导航提供了可靠的途......
北斗卫星导航系统(BDS)是我国自主研发、独立发展并运行的卫星导航系统,2020年6月23日北斗三号系统星座部署的最后一颗卫星成功发射......
随着科学技术的飞速发展,过去单纯依赖GPS的情况大有改观,特别是我国自研BDS并投入使用后,各种“BDS+”也逐渐涌现.本文将结合项目......
精密单点定位不需要参考站,只需要一台接收机就能获得较高的定位精度,由于精密单点定位具有精度高、不受基线长度影响、作业成本低......
基于预报星历的常规实时精密单点定位存在相位模糊度难以收敛、定位精度低等问题.文中采用附加基准站改正信息的PPP算法,消除与卫......
精准农业是农业未来的发展方向,无人驾驶拖拉机已逐渐成为近年来科学技术研究的热点,所装备的自动导航技术是精准农业发展的重要载......
中国是一个人口和农业大国,精细农业对农业的发展具有很大的促进作用.随着“精细农业”的深入发展,简单的单模机定位渐渐不能适应......
由于受基准站分布以及网络信号覆盖限制,常规的差分传输与信号接收方式可能无法实现.针对这一问题,本文利用自主开发的GNSS高精度......
为突破甚高频通信距离较短的问题,利用北斗全球覆盖能力实现甚高频数据交换系统(VHF Data Exchange System,VDES)的远距离通信,提......
三频/多频信号是未来GNSS技术发展的趋势,随着BDS系统全面进入全球服务新阶段,BDS系统已成为全球第一个全星座播发三频/多频信号的......
针对BDS中长基线RTK定位中整周模糊度受大气延迟误差影响难以正确固定的问题,提出一种BDS中长基线三频整周模糊度确定方法.采用MW......
The indigenous developed global BeiDou Navigation System (BDS-3) was formally commissioned, mark-ing the completion of t......
北斗二号卫星导航系统(BD2)作为我国“三步走”战略的关键一步,经过8年艰苦卓绝的建设,于2012年12月27日成功开通运行,为亚太地区的......
A Tightly Combined BDS and GPS Method for RTK Positioning with Triple-frequency Widelane Combination
Processing the differential inter-system biases (DISBs) correctly is critical for multi-GNSS fusion positioning. A pivot......
Assessment of BeiDou-2 orbit and clock quality based on analysis of wide-lane ambiguities derived fr
Precise point positioning (PPP) technique has been widely employed for precise positioning as it does not explicitly nee......
Position difference, Doppler observation and time-differenced carrier phase (TDCP) are three commonly used velocity esti......
In GNSS real-time high-precision monitoring,the multipath spatial correlation is weak,it is difficult to eliminate the m......
Five-hundred-meter Aperture Spherical Radio Telescope(FAST)is a Chinese mega-science project to build the largest and mo......
With the development of Global Navigation Satellite System (GNSS),Multi-GNSS combined real-time precision positioning ha......
In order to realize high-precision navigation,positioning and timing,the satellite navigation system needs to establish ......
Integrating BDS and GPS to accelerate convergence and initialization time of precise point positioni
Due to the precision of BDS orbits and satellites clock,BDS PPP need long time to convergence to centimeter accuracy tha......
MGEX(The Multi-GNSS Experiment)and iGMAS(international GNSS Monitoring & Assessment System)are two important global trac......
The BDS-2 system is designed as a GEO/IGSO/MEO mixed constella-tion.Generally,there exists satellite maintaining operati......
Application Strategy and Receiver Verification for the New Generation of BeiDou Navigation Satellite
Since March 30,2015,BeiDou satellite navigation system(hereinafter referred to as the BDS)has launched five new generati......
Autonomous orbit determination and time synchronization based on in-ter-satellite-link is core of autonomous navigation ......
An Algorithm of Single-epoch Integer Ambiguity Resolution for Reference Stations of BDS Triple-frequ
An algorithm of single-epoch integer ambiguity resolution for reference stations of BDS triple-frequency network RTK is ......
Based on the analysis of the GNSS navigation and positioning,this paper studies the key technology and superiority of th......
Based on un-differenced model of clock estimation,the mathematic model of real-time clock estimation influenced by orbit......
When the receiver cannot demodulate satellite signal transmission time,positioning can be completed with a combination o......
This paper reviews the history and evolution of the relative positioning based on the un-differenced (UD) observation.Th......
On the basis of BDS satellite clock Offset phase jump models,the paper analyses characteristics of phase jumps of satell......
The prediction accuracy of satellite clock bias(SCB)directly affects the performance of navigation system.According to t......
The Long-term Performance Analysis and Comparision of BDS On-board Atomic Clock Based on Precise Clo
As an important load of BDS,the performance of satellite-borne atomic clock directly affects the service level of naviga......
International time transfer experiment based on GPS-and BDS-precise point positioning(PPP)technique is carried out using......
In order to improve the positioning accuracy when the BDS signals are blocked and disturbed in complex urban environment......
With the rapid development of the Beidou satellite navigation system (BDS),assessment of its signal quality and navigati......
Time is one of the basic reference systems in satellite navigation systems.The time scale of Universal Time Coordinated(......
Receiver hardware delay is one of error sources which affect ambiguity resolution and positioning.In this contribution,d......
Multipath is the main factor that affects the quality of the pseudo-range observation and the single point positioning.I......