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Wyświetlanie 1-15 z 18
Tytuł:
"ASG+": Project for improving Polish Multifunctional Precise Satellite Positioning System
Autorzy:
Figurski, M.
Bogusz, J.
Bosy, J.
Kontny, B.
Krankowski, A.
Wielgosz, P.
Powiązania:
https://bibliotekanauki.pl/articles/224934.pdf
Data publikacji:
2011
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
pozycjonowanie precyzyjne
system satelitarny
precise positioning
satellite system
Źródło:
Reports on Geodesy; 2011, z. 2/91; 51-57
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:
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:
Poland in the European network of multifunctional reference stations EUPOS
ASG-EUPOS System - Current status and development plans
Autorzy:
Oruba, A.
Graszka, W.
Ryczywolski, M.
Wajda, S.
Powiązania:
https://bibliotekanauki.pl/articles/224726.pdf
Data publikacji:
2009
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system pozycjonowania satelitarnego
AGS-EUPOS
satellite positioning system
Opis:
Since June 2nd, 2008 the ASG-EUPOS (Aktywna Sieć Geodezyjna - Active Geodetic Network) augmenting system for precise satellite positioning in Poland has been running at full operability. We now approach the moment when a certain resumé can be obtained and therefore future development plans can be stated. This paper gives the reader an overview of the ASG-EUPOS system in general, describes its structure and functioning services. Also, testing and quality control procedures and some usage statistics are presented. Additionally, current status of integrating of the ASG-EUPOS system with existing control geodetic network in one optimal reference frame, so called calibration campaign, has been presented.
Źródło:
Reports on Geodesy; 2009, z. 1/86; 13-30
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:
Monitoring of stability of ASG-EUPOS network coordinates
Autorzy:
Figurski, M.
Szafranek, K.
Wrona, M.
Powiązania:
https://bibliotekanauki.pl/articles/224724.pdf
Data publikacji:
2009
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system pozycjonowania satelitarnego
stacje referencyjne
satellite positioning system
reference stations
Opis:
ASG-EUPOS is Polish GNSS (Global Navigation Satellite System) Ground Based Augmentation System. The name stands for Active Geodetic Network European Position Determination System. It is multifunctional system of precise positioning consisting of more than 100 GNSS reference stations, which constitutes densification of global IGS (International GNSS Service) and regional EPN (European Permanent Network) GNSS (Global Navigation Satellite System) networks. Data collected on those stations are reference for many surveys (real time or postprocessing corrections - differential technology). ASGEUPOS will fulfill a role of main national geodetic frame and will enable conservation of ETRF (European Terrestrial Reference Frame) in Poland. That is one of the reasons why the system activity has to be monitored and controlled.
Źródło:
Reports on Geodesy; 2009, z. 1/86; 31-41
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:
Subsidence determination in the Central Valley, California
Autorzy:
Romero, M.
Berber, M. M.
Powiązania:
https://bibliotekanauki.pl/articles/106809.pdf
Data publikacji:
2018
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
subsidence
GNSS
Global Navigation Satellite System
APPS
Automatic Precise Positioning Service
elevation changes
subsydencja
nawigacja satelitarna
pozycjonowanie precyzyjne
zmiany wysokości
zmiany elewacji
Opis:
Twenty four hour GNSS (Global Navigation Satellite System) data acquired monthly for 5 years from 8 CORS (Continuously Operating Reference Station) stations in Central Valley, California are processed and vertical velocities of the points are determined. To process GNSS data, online GNSS data processing service APPS (Automatic Precise Positioning Service) is used. GNSS data downloaded from NGS (National Geodetic Survey) CORS are analyzed and subsidence at these points is portrayed with graphics. It is revealed that elevation changes range from 5 mm uplift in the north to 163 mm subsidence in the southern part of the valley.
Źródło:
Reports on Geodesy and Geoinformatics; 2018, 106; 35-42
2391-8365
2391-8152
Pojawia się w:
Reports on Geodesy and Geoinformatics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Initial evaluation of usefulness of geodetic coordinates obtained with the use of RTK-GPS corrections generated by Malopolski Satellite Positioning System
Autorzy:
Siejka, Z.
Powiązania:
https://bibliotekanauki.pl/articles/225052.pdf
Data publikacji:
2007
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
GPS
satelita GPS
system pozycjonowania obiektów
RTK GPS
pomiary GPS-RTK
Małopolski System Pozycjonowania Satelitarnego
technika RTK
pomiary geodezyjne
GPS satellite
Global Positioning System
real-time measurements
real time kinematic
Małopolski Satellite Positionning System
engineering surveying
Opis:
The paper presents attempt to find the answer to the question, if the experimentally functioning in Matopolska and Silesia system of reference stations is useful to determine geodetic coordinates, using real time technology when the final result of the measurement is known immediately. To obtain the aim multiple measurements were performed using the RTK-GPS technology on selected points of the POLFER network using corrections generated by the System. On a basis of empirical results of measurements, the evaluation of the usefulness of the system for geodetic applications was performed. Reference stations network of the system ASG-PL which was tested, is one of the so called terrestrial differential systems aiding measurements GPS-RTK (real time kinematic). Networks of the type are very often build in different countries and have national or even continental character.
Źródło:
Reports on Geodesy; 2007, z. 1/82; 309-315
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:
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
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:
Automatic system for GPS tropospheric delay estimation, on-line GPS processing user service and analysis of the results
Autorzy:
Kruczyk, M.
Liwosz, T.
Rogowski, J. B.
Powiązania:
https://bibliotekanauki.pl/articles/224483.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
system pozycjonowania obiektów
GPS
geodezja satelitarna
troposfera
Global Positioning System
satellite geodesy
tropospheric delay
Opis:
This paper describes automatic system for GPS tropospheric delay estimation developed at the Institute of Geodesy and Geodetic Astronomy of the Warsaw University (WUT) LAC. The system is based on BPE (Bernese Processing Engine) and utilizes UltraRapid orbits and EUREF weekly coordinates. We describe processing strategies used in this application and report various experiences leading to start of NRT tropospheric service. We have made many statistical quality analysis of the resulting solutions. Accurate comparisons with ZTD combined product (EPN and IGS) and radiosounding data has been made. The poster presents also other research areas on the GPS data processing performed especially the Internet based service for an on-line GPS processing of the users data. Finally we present some other ideas of our interest how to use tropospheric delay in meteorology and climatology.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 139-151
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Earth crust surface movements in SW Poland from GPS and leveling data
Autorzy:
Bosy, J.
Kontny, B.
Cacon, S.
Powiązania:
https://bibliotekanauki.pl/articles/224401.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
GPS
global positioning system
geodezja satelitarna
sieć geodezyjna
niwelacja
system pozycjonowania obiektów
satellite geodesy
geodetic network
levelling
Opis:
Permanent and periodic satellite GPS observations in SW Poland are realized since 1996. The results of these observations are used for the earth crust surface movements determination. Values of the movement velocities are significant for horizontal as well as vertical components. The vertical movements determined by GPS were compared with the vertical movements obtained by repeated leveling measurements, performed in the 50'ties, 70'ties and 90'ties of the 20th Century. The calculated movements are discussed in relation to tectonics in the paper.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 301-311
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The geometrical factors of a navigational systems
Autorzy:
Banachowicz, A.
Banachowicz, G.
Wolski, A.
Powiązania:
https://bibliotekanauki.pl/articles/224416.pdf
Data publikacji:
2006
Wydawca:
Politechnika Warszawska. Wydział Geodezji i Kartografii
Tematy:
systemy nawigacyjne
pozycjonowanie satelitarne
GPS
system pozycjonowania obiektów
DGPS
nawigajca morska
navigational systems
satellite positioning
Global Positioning System
maritime navigation
Opis:
Vessels engaged in coastal navigation must have their position determined with high accuracy. This can be ensured only by satellite systems such as GPS and GLONASS. The paper presents generalized concepts of geometrical factors of a navigational system. Such factors are used in the analysis of the accuracy of various radionavigational systems aimed at selecting the best system for a given area. The modern process of navigation is described in a four-dimensional space - three geometric dimensions and time. For this reason both the description and analysis of navigational systems should be performed in the same space. The traditional geometric factor of the land-based radionavigational system was generalised to include the factors GDOP, PDOP, HDOP, VDOP and TDOP for the needs of the accuracy analysis of a GPS system. These terms are related to the so-called geometry of navigational system - through mutually related positions of gradients of navigational functions determining position Iines (hyperplanes). They are connected with non-Iinear regression through a probabilistic relation between the measured navigational parameters. Consequently, the concept of geometric factors in the process of navigational parameters estimation can be also extended to include a larger number of dimensions appropriate for the state vector.
Źródło:
Reports on Geodesy; 2006, z. 1/76; 261-267
0867-3179
Pojawia się w:
Reports on Geodesy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 18

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