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Wyświetlanie 1-15 z 45
Tytuł:
SNR of EGNOS satellites in Southern Baltic area
Autorzy:
Makar, A.
Powiązania:
https://bibliotekanauki.pl/articles/224414.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
maritime navigation
navigational systems
EGNOS
satellite positioning
satellite navigation
DGPS
satellite geodesy
Opis:
Introduction to using EGNOS system made possible determining of position in navigation and measurement applications. High accuracy of determined position, at precision of system DGPS level, allowed for taking advantage of that system in hydrographic measurements. In article are presented observations from signals transmitted by EGNOS system satelIites in 2005, in the middle of operation activating, to protecting of hydrographic measurements at sea and inland areas.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 281-285
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of the autoregression algorithm for moving objects track prediction
Autorzy:
Szafranek, K.
Szpunar, R.
Powiązania:
https://bibliotekanauki.pl/articles/225198.pdf
Data publikacji:
2008
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
sygnały satelitarne
GPS
systemy satelitarne
satellite signals
satellite system
Źródło:
Reports on Geodesy; 2008, z. 2/85; 139-150
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Air-net of Polish permanent stations RTK DGPS in European CNS/ATM system
Autorzy:
Banaszek, K.
Fellner, A.
Śledziński, J.
Trómiński, P.
Zając, J.
Powiązania:
https://bibliotekanauki.pl/articles/224410.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
systemy nawigacyjne
nawigacja satelitarna
pozycjonowanie satelitarne
DGPS
geodezja satelitarna
navigational systems
satellite navigation
satellite positioning
satellite geodesy
Źródło:
Reports on Geodesy; 2006, z. 1/76; 287-292
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing real-time GNSS data streams for supplying the GOP Data Center
Autorzy:
Douša, J.
Bartošová, P.
Powiązania:
https://bibliotekanauki.pl/articles/225092.pdf
Data publikacji:
2008
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system nawigacji satelitarnej
nawigacja satelitarna
GNSS
satellite navigation system
satellite navigation
Źródło:
Reports on Geodesy; 2008, z. 1/84; 35-40
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Real-time satellite levelling of linear structures
Autorzy:
Uznański, A.
Powiązania:
https://bibliotekanauki.pl/articles/225386.pdf
Data publikacji:
2011
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
pomiary satelitarne
satellite measurements
Opis:
Providing the users in Poland with the ASG-EUPOS system in the mid-2008 has significantly influenced the popularization of satellite survey techniques, especially realtime surveys. Real-time satellite levelling has become a very effective way of determining normal heights of points. The paper discusses the problem of satellite levelling carried out for linear structures using, the most popular among the users, Real Time Network surveys referring to the ASG-EUPOS system, as well as RTK GPS surveys carried out in relation to a physical reference station. The conclusions regarding the possibility of applying satellite levelling in real time on railway areas were based on the surveys of several sections of a railway line, for which geodetic precise leveling was also conducted.
Źródło:
Reports on Geodesy; 2011, z. 1/90; 507-514
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experiences of RTK positioning in hard observational conditions during Nysa Kłodzka river project
Autorzy:
Bakuła, M.
Oszczak, S.
Powiązania:
https://bibliotekanauki.pl/articles/224504.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
RTK
pozycjonowanie satelitarne
geodezja satelitarna
GPS
system pozycjonowania obiektów
satellite positioning
satellite geodesy
Opis:
The paper presents the application of RTK technology for measuring the horizontal and vertical cross-sections of the Nysa Kłodzka River located in the southern part of Poland. GPS measurements were performed by the staff of Chair of Satellite Geodesy and Navigation of University of Warmia and Mazury in Olsztyn in cooperation with the team of the OPeGieKa Wroclaw company. The measurements had been done for 30 days during August and September 2004. Three GPS receivers were used such as two Ashtech Z-Xtreme and one Ashtech Z-Surveyor. The radiomodems Satelline of SATEL company were used for transmitting RTK corrections from a reference station to rovers. RTK measurements were being performed in very difticult observational conditions Iike in heavy shrubbery or under trees. It was excellent occasion to test reliability and accuracy of RTK positioning in practice. In general, the use of RTK technology in woodlands and rural terrain extremely improved efficiency of works, but gross errors were being occurred from time to time in very severe conditions of GPS observations due to the lack of good satellite geometry and availability.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 71-79
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary results of studies of the monitoring for aircraft and vehicles based on GNSS
Autorzy:
Ćwiklak, J.
Jafernik, H.
Śledziński, J.
Powiązania:
https://bibliotekanauki.pl/articles/224861.pdf
Data publikacji:
2011
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
nawigacja satelitarna
GNSS
satellite navigation
Opis:
Presently a lot of countries carry out aviation tests of Automatic Dependent Surveillance - Broadcast ADB-S). The on-board GPS receiver is used as a basic source of information on position and time for that system. According to the CNS/ATM plan, traditional radars using by ATC will be replaced for ADB-S in the near future. One the vital elements of the system is Global Navigational Satellite System (GNSS). According to the project a research team is going to work out an aviation tracking system for control an air traffic and ground movement in the border area. Moreover, the team will examine the system in the areas of accuracy, range of tracking and reliability as well. The proposed system consists of three basic components: the positioning, airborne GNSS receivers, the transmission of data and the ground station. The research plan is carried out taking into account a variety of air operations, such as a takeoff, a route on a low height, approaching and landing. The idea of monitoring system for aircraft using satellite navigation systems is in line witch the concept of the use of GNSS in aviation, both in Europe and worldwide.
Źródło:
Reports on Geodesy; 2011, z. 2/91; 109-119
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The implementation of the EGNOS system to APV
Autorzy:
Fellner, A.
Banaszek, K.
Trómiński, P.
Powiązania:
https://bibliotekanauki.pl/articles/225090.pdf
Data publikacji:
2008
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system nawigacji satelitarnej
nawigacja satelitarna
ruch lotniczy
satellite navigation system
satellite navigation
air traffic
Źródło:
Reports on Geodesy; 2008, z. 1/84; 31-34
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Choice of acceptable intervals of types and values of tomographic factors as the possibilities to detemine the reliability zones of the transferred information of continuous features measured in point
Autorzy:
Bac-Bronowicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/224795.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
modelowanie
geodezja satelitarna
modelling
satellite geodesy
Opis:
In this paper there is a proposition of different ways of construction of distribution model of phenomenon, than the ones in which it is assumed that tha spatial distribution of parameters is described by the same function of distribution in each place of the area. It was assumed that the closer the measurement point is the probability that information transfer in the neighborhood is correct, is greater. Secondly, it was asumed that in the areas of similar topographic conditions, informtaion transfer of the value of parameter measured in point to its surroundings is more probable than when other factors change e.g. land cover, height above the sea level etc. Present proposition is aggregate geometric basic units of the system in adequate areas on the grounds of their affiliation to certain regions. Such areas will have similar topographic conditions. They can also be a basis for the analysis of distribution of other environment-dependent phenomena, such as different types of pollution, soil erosion, climate, vegetation and so on. Classification can be used to evaluate the usability of areas for different purposes, forecasting the outcome of investments and the like. Selectin of the reference unit, which fulfill the needs, details level and accuracy of the compilation scale are a very important point of the construction of the spatial information system.
Źródło:
Reports on Geodesy; 2006, z. 2/77; 75-83
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Recursive multipath effect mitigation in kinematic satellite observations
Autorzy:
Szpunar, R.
Powiązania:
https://bibliotekanauki.pl/articles/225123.pdf
Data publikacji:
2008
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
obserwacja satelitarna
kinematyka
satellite observations
kinematics
Opis:
The satellite kinematic observations are currently used in many precise point positioning applications. Unfortunately the multipath is the limiting error source for high precision measurcment. This is important problem in the real time GPS monitoring applications. The paper presents, recursive multipath effect mitigation in kinematic satellite observations, for one-day GPS observation series in geodetic control networks.
Źródło:
Reports on Geodesy; 2008, z. 1/84; 73-77
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Methodical fundamentals of creation of permanent GPS networks
Autorzy:
Uchytel, I. L.
Jaroshenko, V. N.
Kapochkin, B. B.
Powiązania:
https://bibliotekanauki.pl/articles/224403.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
systemy nawigacyjne
geodezja satelitarna
nawigacja satelitarna
GPS
system pozycjonowania obiektów
pozycjonowanie satelitarne
sieć geodezyjna
navigational systems
satellite geodesy
satellite navigation
Global Positioning System
satellite positioning
geodetic network
Źródło:
Reports on Geodesy; 2006, z. 1/76; 293-300
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Permanent GNSS observations at AGH-UST satellite observatory
Autorzy:
Kudrys, J.
Powiązania:
https://bibliotekanauki.pl/articles/106822.pdf
Data publikacji:
2016
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
satellite observatory
GNSS
AGH-UST
obserwatorium satelitarne
Opis:
GPS satellite observations at the Faculty of Mining Surveying and Environmental Engineering AGH-UST are conducted since the early 90s of the last century. In 2001, efforts have been made on getting permanently functioning GPS station. At present, observatory is EPN operational center for two GNSS stations KRAW and KRA1. Moreover, KRA1 station is one of fundamental control points in polish horizontal network. The article gives the history and scope of the research carried out in the satellite observatory AGH-UST during the period 2001-2015.
Źródło:
Reports on Geodesy and Geoinformatics; 2016, 100; 101-107
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poland in the European network of multifunctional reference stations EUPOS
General information on the European Project EUPOS
Autorzy:
Śledziński, J.
Powiązania:
https://bibliotekanauki.pl/articles/224729.pdf
Data publikacji:
2009
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system pozycjonowania satelitarnego
EUPOS
satellite positioning system
Opis:
EUPOS (European Position Determination System) is a new European initiative of establishment of the multifunctional reference station system in Central and Eastern European countries. The Project EUPOS was initiated in 2002 by the Berlin Senate Department for Urban Development and European Academy of the Urban Development Berlin. The project consisted previously in establishment of multifunctional satellite reference stations in Central and Eastern Europe, but lately also some Asian countries request to join the EUPOS Project and to be admitted to EUPOS ISC as EUPOS members. Number of member countries is steadily increasing. In 2008 Moldova was intended to participate in the project and at the last conference in Tallinn in April 2009 at the EUPOS International Steering Committee Kazakhstan was admitted as the EUPOS country. So, EUPOS network will contain more than 1000 stations in the area of 19 European and Eurasian countries. Currently 19 following countries are the members of the EUPOS Project: Bosnia and Herzegovina Bulgaria, Czech Republic, Estonia, Germany, Hungary, Kazakhstan, Latvia, Lithuania, Macedonia, Moldova Montenegro, Poland, Romania, Russian Federation, Serbia, Slovakia, Slovenia and Ukraine. The number of planned stations in particular countries are given in attached table. One common project standard set is observed by all countries, however the project will include the existing or developed infrastructure in participating countries. Experiences of all participating countries in establishing and operating satellite systems will also be used. The system will be compatible with the German network SAPOS and in future will use as main signal the signal of the European system Galileo. The network of reference stations will provide services for both positioning of the geodetic control points and for navigation. Several levels of services of positioning accuracy will be offered.
Źródło:
Reports on Geodesy; 2009, z. 1/86; 7-12
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Implementation of satellite techniques in the air transport
Autorzy:
Fellner, A.
Jafernik, H.
Powiązania:
https://bibliotekanauki.pl/articles/106727.pdf
Data publikacji:
2016
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
aviation
air transport
satellite systems
satellite techniques
PBN
GNSS
SHERPA
HEDGE
lotnictwo
transport lotniczy
systemy satelitarne
techniki satelitarne
Opis:
The article shows process of the implementation satellite systems in Polish aviation which contributed to accomplishment Performance-Based Navigation (PBN) concept. Since 1991 authors have introduced Satellite Navigation Equipment in Polish Air Forces. The studies and researches provide to the Polish Air Force alternative approaches, modernize their navigation and landing systems and achieve compatibility with systems of the North Atlantic Treaty Organization (NATO) and International Civil Aviation Organization (ICAO). Acquired experience, conducted military tests and obtained results enabled to take up work scientifically - research in the environment of the civil aviation. Therefore in 2008 there has been launched cooperation with Polish Air Navigation Services Agency (PANSA). Thanks to cooperation, there have been compiled and fulfilled three fundamental international projects: EGNOS APV MIELEC (EGNOS Introduction in European Eastern Region - APV Mielec), HEDGE (Helicopters Deploy GNSS in Europe), SHERPA (Support ad-Hoc to Eastern Region Pre-operational in GNSS). The successful completion of these projects enabled implementation 21 procedures of the RNAV GNSS final approach at Polish airports, contributing to the implementation of PBN in Poland as well as ICAO resolution A37-11. Results of conducted research which served for the implementation of satellite techniques in the air transport constitute the meaning of this material.
Źródło:
Reports on Geodesy and Geoinformatics; 2016, 100; 39-53
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Differences in mathematical models of GPS and pseudolite observation equations
Autorzy:
Rzepecka, Z.
Wasilewski, A.
Cellmer, Sł.
Rapiński, J.
Powiązania:
https://bibliotekanauki.pl/articles/225048.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
GPS
satelita GPS
pseudosatelita
system pozycjonowania obiektów
pomiary geodezyjne
GPS satellite
pseudo-satellite
Global Positioning System
engineering surveying
Opis:
Some error sources in GPS surveys, such as linearization error and orbital bias, are well known and do not require further investigation. The impact of these errors in GPS + pseudolite observations can be different and must be considered separately. This paper presents influence of orbital bias and linearization error on single differenced pseudolite observations.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 295-301
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 45

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