Results 21 to 30 of about 19,053 (217)

The use of methods of geoinformation mapping for the study of woody vegetation of forest-steppe ecosystems of the Central Chernozem reserve [PDF]

open access: yesВопросы лесной науки, 2019
The methods of cartographic studies of the wood vegetation of the reserve, including the use of modern GIS technologies and satellite positioning devices, are presented.
O.V. Ryzhkov , G.A. Ryzhkova
doaj   +1 more source

Improved Method for GLONASS Long Baseline Ambiguity Resolution without Inter-Frequency Code Bias Calibration

open access: yesRemote Sensing, 2018
Use of a frequency-division multiple access strategy causes Globalnaya Navigatsionnaya Sputnikovaya Sistema (GLONASS) receiving equipment to experience both inter-frequency phase bias (IFPB) and inter-frequency code bias (IFCB).
Jiasong Zhu   +3 more
doaj   +1 more source

Evaluation of multi-GNSS high-rate relative positioning for monitoring dynamic structural movements in the urban environment

open access: yesGeomatics, Natural Hazards & Risk, 2020
Skyscrapers cause both limited sky-view and multipath error when using Global Navigation Satellite System (GNSS) measurements for monitoring structural movements.
Mosbeh R. Kaloop   +5 more
doaj   +1 more source

Análise do GNSS PPP multi-constelações com uso dos sistemas GPS, GLONASS e Galileo

open access: yesRevista Brasileira de Cartografia, 2020
Dentre os sistemas que compõem o GNSS, estão completamente funcionais o GPS e o GLONASS. Além disso, encontram-se em desenvolvimento o Galileo e o BeiDou, sendo que o Galileo dispõe de 17 satélites operantes.
Raiane Rintielle Vaz Menezes   +1 more
doaj   +1 more source

Assessment Of GNSS Positioning Techniques In EGYPT [PDF]

open access: yesPort Said Engineering Research Journal
This research delves into Global Navigation Satellite Systems (GNSS) positioning accuracy, focusing on GPS, GLONASS, and their combined utility to evaluate GLONASS as an independent system in case GPS is down. The study spans three phases.
Abd El-rahman Abd El- naeim   +4 more
doaj   +1 more source

FLAMINGO – Fulfilling enhanced location accuracy in the mass-market through initial GalileO services [PDF]

open access: yes, 2018
This paper discusses FLAMINGO, an initiative that will provide a high accuracy positioning service to be used by mass market applications. The status and future for the initiative are discussed, the required accuracies and other location parameters are ...
Arzel, Laurent   +7 more
core   +1 more source

Assessment of BeiDou-3 and Multi-GNSS Precise Point Positioning Performance

open access: yesSensors, 2019
With the launch of BDS-3 and Galileo new satellites, the BeiDou navigation satellite system (BDS) has developed from the regional to global system, and the Galileo constellation will consist of 26 satellites in space. Thus, BDS, GPS, GLONASS, and Galileo
Guoqiang Jiao   +4 more
doaj   +1 more source

Design of Accurate Navigation System by Integrating INS and GPS modules [PDF]

open access: yesINCAS Bulletin, 2019
Navigation has a huge application in aviation and aircraft automatic approach. Two widely used navigation systems are Global position System (GPS) and Inertial Navigation System (INS). Triangulation method used to determine the aircrafts location by GPS,
M. RAJA   +4 more
doaj   +1 more source

The integrated use of GPS/GLONASS observations in network code differential positioning [PDF]

open access: yes, 2016
We present the methodology and results of GPS/GLONASS integration in network code differential positioning for regional coverage across Poland using single frequency.
Bakuła, Mieczysław   +2 more
core   +1 more source

استفاده از مشاهدات فاز حامل سیستم GLONASS جهت تعیبین موقعیت با دقت سانتی متری با استفاده از سیستم GLONASS [PDF]

open access: yesاطلاعات جغرافیایی, 2002
در این مقاله سیستم GLONASS و جنبه­ های خاصی از GLONASS که برروی تعیین موقعیت با فاز حامل تأثیر می­ گذارد مورد بررسی قرار گرفته و به وضعیت کنونی  سیستم GLONASS می­ پردازد.
رقیه گلوری (مترجم)
doaj  

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