Results 21 to 30 of about 5,901 (209)

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

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

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

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

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

O koncepcii normativnoj ocenki jekonomicheskoj jeffektivnosti ispol'zovanija GLONASS v primorskih regionah [On the concept of normative evaluation of cost-effectiveness of GLONASS application in coastal regions] [PDF]

open access: yesБалтийский регион, 2011
Russia promotes the application of GLONASS satellite information system in regional economies. In three regions, the system has already been introduced and is widely used, 21 more regions are introducing the system. Experts believe that this process will
Ivchenko Vladislav, Boronilov Anatoly
doaj   +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  

An algorithm for secondary processing of unsolicited measurements of current navigation parameters by an on-board measuring system of a spacecraft of the low-orbit segment of the GLONASS system in the interests of improving the quality of ephemeris-time [PDF]

open access: yesКосмические аппараты и технологии
Improving the accuracy and efficiency of ephemeris-time support is a key task in the development of global navigation satellite systems, such as GLONASS systems.
I. O. Parshin   +3 more
doaj   +1 more source

Understanding Attitude Behavior of Inactive GLONASS Satellites using Spin Period Evolution [PDF]

open access: yes, 2023
Light curve analysis of defunct satellites is critical for characterizing the rotational motion of space debris. Accurate understanding of this aspect will benefit active debris removal and on-orbit servicing missions as parts of solution to the space
Rachman, Abdul
core  

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