Search Results - "Galas, Roman"

Determination of Seabed Heights in the Area of Polish Territorial Waters in the Official Reference System by Rogowski, Jerzy B., Galas, Roman, Klek, Magdalena

“…The determination of the height in the vertical reference frame in force in Poland is based both on national regulations (Council of Ministers Regulation,…”
Get full text

Atmosphere sounding by GPS radio occultation: First results from CHAMP by Wickert, Jens, Reigber, Christoph, Beyerle, Georg, König, Rolf, Marquardt, Christian, Schmidt, Torsten, Grunwaldt, Ludwig, Galas, Roman, Meehan, Thomas K., Melbourne, William G., Hocke, Klemens

“…The first radio occultation measurements of the CHAMP (CHAllenging Minisatellite Payload) satellite using Global Positioning System (GPS) signals have been…”
Get full text

Tsunami early warning using GPS-Shield arrays by Sobolev, Stephan V., Babeyko, Andrey Y., Wang, Rongjiang, Hoechner, Andreas, Galas, Roman, Rothacher, Markus, Sein, Dmitry V., Schröter, Jens, Lauterjung, Joern, Subarya, Cecep

“…The 2004 catastrophic Indian Ocean tsunami has strongly emphasized the need for reliable tsunami early warning systems. Another giant tsunamigenic earthquake…”
Get full text

The integrated use of GPS/GLONASS observations in network code differential positioning by Przestrzelski, Paweł, Bakuła, Mieczysław, Galas, Roman

“…We present the methodology and results of GPS/GLONASS integration in network code differential positioning for regional coverage across Poland using single…”
Get full text

An Empirical Model for the Ionospheric Global Electron Content Storm-Time Response by Li, Shuhui, Galas, Roman, Ewert, Dietrich, Peng, Junhuan

“…By analyzing the variations of global electron content (GEC) during geomagnetic storm events, the ratio “GEC/GECQT” is found to be closely correlated with…”
Get full text

Reliability monitoring of GNSS observables under the influence of ionospheric disturbances by Wezka, Kinga, Herrera-Pinzon, Ivan, Galas, Roman

“…In recent years GNSS has become the recognised core element for the provision of accurate and reliable positioning, velocity and timing (PVT) data for multiple…”
Get full text

GPS-controlled tide gauges in Indonesia – a German contribution to Indonesia's Tsunami Early Warning System by Schöne, T., Illigner, J., Manurung, P., Subarya, C., Zech, C., Galas, R.

“…Coastal tide gauges do not only play a central role in the study of climate-related sea level changes but also in tsunami warning systems. Over the past five…”
Get full text

GPS water level measurements for Indonesia's Tsunami Early Warning System by Schöne, T., Pandoe, W., Mudita, I., Roemer, S., Illigner, J., Zech, C., Galas, R.

“…On Boxing Day 2004, a severe tsunami was generated by a strong earthquake in Northern Sumatra causing a large number of casualties. At this time, neither an…”
Get full text

Performance Comparison of Selected Ionospheric Models for GNSS Positioning by Cokrlic, Marija, Wezka, Kinga, Galas, Roman, Hoque, Mainul M., Jakowski, Norbert, Wilken, Volker, Vukovic, Josip

“…An evaluation of ionospheric corrections derived from the two global total electron content (TEC) maps, Neustrelitz DLR/GIM and Center for Orbit Determination…”
Get full text

Atmospheric sounding with CHAMP: GPS ground station data for occultation processing by Wickert, Jens, Galas, Roman, Schmidt, Torsten, Beyerle, Georg, Reigber, Christoph, Förste, Christoph, Ramatschi, Markus

“…The double difference technique is the standard processing method of challenging minisatellite payload (CHAMPs), global positioning system (GPS) occultation…”
Get full text

TUB software tools for monitoring ionospheric irregularities in a single station mode and first results by Cokrlic, M., Galas, R.

“…Encouraged by ionospheric influences on accuracy of GLASS positioning we updated our software for monitoring of ionospheric irregularities. An update of our…”
Get full text

On precise GNSS-based sea surface monitoring systems by Galas, Roman, Schone, Tilo, Cokrlic, Marija, Semmling, Maximilian

“…The paper describes some selected GNSS-based precise technologies developed and used for various maritime applications. Firstly two PVT projects are presented…”
Get full text

Ultra-wideband based dynamic target tracking using Cost-Reference Particle Filtering by Kakkar, Devika, Karbownik, Piotr, Nowak, Thorsten, Krukar, Grzegorz, Franke, Norbert, Galas, Roman

“…In this paper, we assess the performance of a sequential Monte Carlo based filter called Cost-Reference Particle Filter (CRPF) in comparison to Extended Kalman…”
Get full text