Search Results - "Michal Kačmařík"

A Tree Segmentation Algorithm for Airborne Light Detection and Ranging Data Based on Graph Theory and Clustering by Jakub Seidl, Michal Kačmařík, Martin Klimánek

“…This paper presents a single tree segmentation method applied to 3D point cloud data acquired with a LiDAR scanner mounted on an unmanned aerial vehicle (UAV)…”
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Monitoring Non-Linear Ground Motion above Underground Gas Storage Using GNSS and PSInSAR Based on Sentinel-1 Data by Struhár, Juraj, Rapant, Petr, Kačmařík, Michal, Hlaváčová, Ivana, Lazecký, Milan

“…Several methods allow accurate measurement of terrain surface motions. Global navigation satellite systems (GNSSes) and interferometry with synthetic aperture…”
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Improving GNSS Zenith Wet Delay Interpolation by Utilizing Tropospheric Gradients: Experiments with a Dense Station Network in Central Europe in the Warm Season by Zus, Florian, Douša, Jan, Kačmařík, Michal, Václavovic, Pavel, Balidakis, Kyriakos, Dick, Galina, Wickert, Jens

“…The Benchmark data set collected within the European COST Action ES1206 has aimed to support the development and validation of advanced Global Navigation…”
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New Adaptable All-in-One Strategy for Estimating Advanced Tropospheric Parameters and Using Real-Time Orbits and Clocks by Douša, Jan, Václavovic, Pavel, Zhao, Lewen, Kačmařík, Michal

“…We developed a new strategy for a synchronous generation of real-time (RT) and near real-time (NRT) tropospheric products. It exploits the precise point…”
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Estimating the Impact of Global Navigation Satellite System Horizontal Delay Gradients in Variational Data Assimilation by Zus, Florian, Douša, Jan, Kačmařík, Michal, Václavovic, Pavel, Dick, Galina, Wickert, Jens

“…We developed operators to assimilate Global Navigation Satellite System (GNSS) Zenith Total Delays (ZTDs) and horizontal delay gradients into a numerical…”
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Performance Assessment of Kinematic GNSS Positioning with Smartphones Based on Post-Processing of Raw Observations by HALAJ, Marek, KAČMAŘÍK, Michal

“…In recent years, there have been significant technological advances in the development of common mobile devices. This brought progress also in the area of…”
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Inter-technique validation of tropospheric slant total delays by Kačmařík, Michal, DouÅ¡a, Jan, Dick, Galina, Zus, Florian, Brenot, Hugues, Möller, Gregor, Pottiaux, Eric, Kapłon, Jan, Hordyniec, PaweÅ, Václavovic, Pavel, Morel, Laurent

“…An extensive validation of line-of-sight tropospheric slant total delays (STD) from Global Navigation Satellite Systems (GNSS), ray tracing in numerical…”
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Sensitivity of GNSS tropospheric gradients to processing options by Kačmařík, Michal, Douša, Jan, Zus, Florian, Václavovic, Pavel, Balidakis, Kyriakos, Dick, Galina, Wickert, Jens

“…An analysis of processing settings impacts on estimated tropospheric gradients is presented. The study is based on the benchmark data set collected within the…”
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Cross-Comparison and Methodological Improvement in GPS Tomography by Brenot, Hugues, Rohm, Witold, Kačmařík, Michal, Möller, Gregor, Sá, André, Tondaś, Damian, Rapant, Lukas, Biondi, Riccardo, Manning, Toby, Champollion, Cédric

“…GPS tomography has been investigated since 2000 as an attractive tool for retrieving the 3D field of water vapour and wet refractivity. However, this…”
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Benchmark campaign and case study episode in central Europe for development and assessment of advanced GNSS tropospheric models and products by DouÅ¡a, Jan, Dick, Galina, Kačmařík, Michal, Brožková, Radmila, Zus, Florian, Brenot, Hugues, Stoycheva, Anastasia, Möller, Gregor, Kaplon, Jan

“…Initial objectives and design of the Benchmark campaign organized within the European COST Action ES1206 (2013–2017) are described in the paper. This campaign…”
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Testing Polygon for Simulated Vertical Displacement Measurements based on Co-located InSAR Corner Reflector and GNSS Station by STRUHÁR, Juraj, KAČMAŘÍK, Michal, HLAVÁČOVÁ, Ivana, LAZECKÝ, Milan, RAPANT, Petr

“…With the growing availability of accurate and long-term measurements of displacements of technical infrastructure elements, there is a growing interest in the…”
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Comparison of satellite orbit ephemerides for use in GPS meteorology by KACMARIK, Michal, SKRIVANKOVA, Pavla

“…This paper discusses GPS (Global Position System) meteorology. The research presented is based on a comparison of values of precipitable water vapour PWV,…”
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New GNSS tomography of the atmosphere method – proposal and testing by Kačmařík, Michal, Rapant, Lukáš

“…Paper is focused on GNSS meteorology which is generally used for the determination of water vapour distribution in the atmosphere from GNSS measurements. Water…”
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Control Methods of Invasive Plant Species and the Influence of Cultural Vegetation on the Microclimate within the Central Wastewater Treatment Plant in Ostrava – Pilot Results by KUBACZKOVÁ, Andrea, PASTRŇÁKOVÁ, Marie, KAČMAŘÍK, Michal, STALMACHOVÁ, Barbara, SYROVÁ, Lucie, TURČOVÁ, Barbora

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