Results 111 to 120 of about 8,142 (251)

Software receiver design for GNSS-R using multiple GNSS satellites as transmitters

open access: yesThe 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]

open access: yes
member of the Executive and Governing Board of ...
C. Rizos   +7 more
core  

Initial Results of the Precise Orbit Determination for the New-Generation BeiDou Satellites (BeiDou-3) Based on the iGMAS Network

open access: yesISPRS 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

Satelliittipaikannusjärjestelmät ja niiden hyödyt yrityksille [PDF]

open access: yes, 2014
Eurooppa on kehittämässä uutta satelliittipaikannusjärjestelmää nimeltään Galileo. Tämän opinnäytetyön tavoitteena on analysoida paikannusjärjestelmät ja niiden tuomat mahdollisuudet.
Chung, Dat
core  

Medium Earth Orbits: Is There a Need for a Third Protected Region? [PDF]

open access: yes
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

Towards Quantum Communication from Global Navigation Satellite System

open access: yes, 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

Twenty-year continuous operation of Syowa IGS station [PDF]

open access: yes, 2017
第8回極域科学シンポジウム/個別セッション:[OG] 極域地圏12月5日(火)国立極地研究所 3階セミナー室The Eighth Symposium on Polar Science/Ordinary sessions: [OG] Polar GeosciencesTue.

core   +1 more source

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