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TU Berlin

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Master projects

Ground Deformation Monitoring in Mining Areas on the Central Andean Plateau (Puna, Argentina) Using Sentinel-1 Data

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Mohammad Javad Eghbali Zarch (Successful finalization March 2019)

Ground deformation in the Central Andean plateau was monitored by processing Sentinel-1 (S-1) images from 2014 to 2018, using Interferometric Synthetic Aperture Radar(InSAR)with the millimeters accuracy. S-1 images are processed and interferograms are generated and unwrapped to perform time series analysis of deformation using Small Baseline Subsets (SBAS) as a multi-temporal InSAR methodology. Additionally, the effects of water vapor and atmospheric waves on the interferograms are investigated. more to: Ground Deformation Monitoring in Mining Areas on the Central Andean Plateau (Puna, Argentina) Using Sentinel-1 Data

Global study of Equatorial plasma bubbles using GPS-RO

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Ankur Kepkar (Successful finalization September 2018)

The study focuses on providing a climatology of equatorial scintillation phenomenon, so called plasma bubbles, occurring at low latitude region of the ionosphere. For this thesis work, a decade long GPS radio occultation measurements obtained from the constellation of FormoSat-3/COSMIC (2007-2016) is taken into account. The six FormoSat-3/COSMIC satellites provide in total about 2,000 radio occultation profiles per day on an average. About 5 million profiles were processed for this study, of which 0.2% contained strong disturbances in the ionospheric F-region. more to: Global study of Equatorial plasma bubbles using GPS-RO

Applications of Low-Cost GNSS Receivers for Positioning and Remote Sensing

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Nikolaos Antonoglou (Successful finalization July 2018)

A U-Blox M8T Global Navigation Satellite System (GNSS) receiver and a Raspberry Pi 3 board computer were used in order to construct a low-cost GNSS data recorder. The goal of this procedure is to show that the construction of this device is straightforward and it does not require extended knowledge about electronics and programming. All materials used for the construction are simple and cheap. The control of the data recorder can be done by any smartphone. more to: Applications of Low-Cost GNSS Receivers for Positioning and Remote Sensing

Ground Based GNSS for Soil Moisture

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Ajeet Kunwar (Successful finalization January 2017)

Soil moisture is a key parameter in hydrological cycle. It is also an important component from a socio-economical perspective. Knowledge about soil moisture is beneficial for many applications such as agricultural, health, and water management programs as well as water related disasters management. Several techniques are in use, including in-situ and remote sensing to measure this parameter, soil moisture. However, the desiredaccuracy in the appropriate spatial and temporal resolutions remains a major challenge. more to: Ground Based GNSS for Soil Moisture

Signal Power Analysis of GNSS Reflections

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Luis Peraza (Sucessful finalization May 2016)

The adapted GNSS receiver, GORS, set up near the village of Ny-Ålesund in the island of Spitsbergen, Svalbard, was used to monitor GNSS reflections on the adjacent Kongsfjorden. Two antennas, one up-looking Right-Hand Circular Polarized (RHCP) and one horizon-tilted Left-Hand Circular Polarized (LHCP), installed at the Zeppelin mountain, have been recording almost continuously since 2013. The field of view from this location allows to capture reflections as far as 14 km from the receiver's position, over the complete fjord and nearby surrounding land areas, using an elevation view mask from 2° to 10° above the horizon. more to: Signal Power Analysis of GNSS Reflections

GNSS Reflectometry aboard GEROS-ISS

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Vera Leister (Sucessful finalization September 2015)

GEROS-ISS stands for GNSS REflectometry, Radio Occultation and Scatterometry onboard the International Space Station. It is a scientific experiment, proposed to the European Space Agency (ESA) in 2011 to be installed aboard the International Space Station ISS. GEROS-ISS is currently in phase A of realisation, the launch is foreseen for 2019. more to: GNSS Reflectometry aboard GEROS-ISS

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