Results 101 to 110 of about 7,830 (211)
Towards Quantum Communication from Global Navigation Satellite System
, 2018 Satellite-based quantum communication is an invaluable resource for the realization of a quantum network at the global scale. In this regard, the use of satellites well beyond the low Earth orbits gives the advantage of long communication time with a ...
Agnesi, Costatino +9 more
core +1 more source
ISPRS International Journal of Geo-Information, 2016 By August 2016, 5 new-generation BeiDou satellites (BeiDou-3) have successfully been launched. The observations of a very limited number of 9 International GNSS (Global Navigation Satellite System) Monitoring and Assessment Service (iGMAS) stations and ...
Bingfeng Tan +4 more
doaj +1 more source
The Construction Method of BeiDou Satellite Navigation Measurement Error System
Wireless Communications and Mobile Computing, 2019 Based on the measurement error of pseudorange in BeiDou satellite navigation system, this paper analyzes the measurement principle of the system. Aiming at the difficulties in the system measurement error index system, an overall construction method of measurement error system based on empirical estimation method and error distribution model is ...
Jun Xie, Jian-jun Zhang, Gang Wang
openaire +1 more source
Software receiver design for GNSS-R using multiple GNSS satellites as transmitters
The Journal of Engineering, 2019 A novel global navigation satellite system-reflectometry (GNSS-R) software receiver and its preliminary experimental results are presented in this study.
Shuzhu Shi, Shiwei Wang, Tao Li
doaj +1 more source
and Navigation Group at DLR’s German Space Operations [PDF]
member of the Executive and Governing Board of ...
C. Rizos +7 more
core
GPS Multipath Detection in the Frequency Domain
, 2016 Multipath is among the major sources of errors in precise positioning using GPS and continues to be extensively studied. Two Fast Fourier Transform (FFT)-based detectors are presented in this paper as GPS multipath detection techniques. The detectors are
Amani, Elie +5 more
core
Research on Multipath Noise and its Elimination Method for GNSS Receiver [PDF]
, 2016 近年来一些新的全球导航卫星系统（GlobalNavigationSatelliteSystem，GNSS）开始建设发展，如欧盟的Galileo导航卫星系统、中国的北斗二代导航卫星系统和其它区域导航卫星系统等。与此同时，美国的GPS导航卫星系统、俄罗斯的GLONASS导航卫星系统及其增强系统也在逐步深化其现代化过程。全球导航卫星系统之间的协作定位成为了必然的趋势，将明显提高其定位导航服务的准确性、正直性、连续性和有效性，并迅速扩大其应用范围，特别是民用领域。而各种复杂环境的严峻挑战也随之而来，如 ...
刘英达
core
Medium Earth Orbits: Is There a Need for a Third Protected Region? [PDF]
The Inter-Agency Space Debris Coordination Committee (IADC) and the United Nations have adopted the concept of near-Earth regions which should be afforded protection from the accumulation of orbital debris.
Johnson, Nicholas L.
core +1 more source
Individual Global Navigation Satellite Systems in the Space Service Volume [PDF]
Besides providing position, navigation, and timing (PNT) to terrestrial users, GPS is currently used to provide for precision orbit determination, precise time synchronization, real-time spacecraft navigation, and three-axis control of Earth orbiting ...
Force, Dale A.
core +1 more source
Vehicle Positioning Based on BeiDou Satellite Navigation System
Highlights in Science, Engineering and TechnologyThis paper is mainly based on the BeiDou Satellite Navigation System (BDS) to solve the application of vehicle positioning. First, the paper illustrates the locating theory of BDS. Second, it analyzes the advantages of BDS based on the theory. Next, the paper emphasizes the application of BDS in vehicle positioning, which includes the application of ...
openaire +1 more source