Auflistung Fakultät für Bauingenieurwesen und Geodäsie nach Lizenz

Auflistung Fakultät für Bauingenieurwesen und Geodäsie nach Lizenz

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  • Geometrical and Kinematical Precise Orbit Determination of GOCE 
    Shabanloui, Akbar (2010-10-07)
    The geometrical point-wise Low Earth Orbiters (LEO) positions can be derived by Global Navigation Satellite System (GNSS) analysis techniques. The different precise point positioning techniques based on GNSS observations ...
  • Geometrical LEO Precise Orbit Determination (POD) with only sequential time differenced GPS SST carrier phase observations 
    Shabanloui, Akbar; Ilk, Karl Heinz (2007-04-16)
    High-low GPS LEO (Low Earth Orbiter) SST (Satellite to Satellite Tracking) observations play an important role to determine geometrical, precise, 3D orbits of LEO satellites. The ambiguity parameters in the Zero difference ...
  • GFR processing standards at IfE 
    Koch, Igor; Flury, Jakob; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019-01-14)
    In this presentation, we report on the gravity field recovery activities at IfE (Institut für Erdmessung). Processing standards adopted for the LUH-GRACE2018 monthly gravity field time series are presented. The LUH-GRACE2018 ...
  • A Global Collaboration to Enhance GNSS Receiver Antenna Calibration: The IGS Antenna Ring Campaign 
    Kersten, Tobias; Bilich, Andria; Sutyagin, Igor; Schön, Steffen (Wien : European Geophysical Union (EGU), 2024)
    This contribution provides an overview of the current status of a global campaign of nine calibration organisations, initiated one and a half years ago, outlines the calibration and evaluation concept for carrier phase ...
  • GRACE and GRACE-FO processing at IfE/LUH 
    Koch, Igor; Flury, Jakob; Duwe, Mathias; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2020)
    Updates on gravity field recovery from GRACE and GRACE Follow-On data at IfE/LUH.
  • GRACE-FO monthly solutions using the GRACE-SIGMA software 
    Koch, Igor; Flury, Jakob; Shabanloui, Akbar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)
    In this contribution we present gravity field monthly solutions from GRACE Follow-On (GRACE-FO) Level-1B sensor data. The monthly solutions are computed with the GRACE-SIGMA software developed at the Institute of Geodesy, ...
  • A Gravimetric Support Network for Very Long Baseline Atom Interferometry 
    Schilling, Manuel; Wodey, Étienne; Timmen, Ludger; Tell, Dorothee; Zipfel, Klaus; Rasel, Ernst Maria; Müller, Jürgen (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)
    With the introduction of portable atom interferometers (AI), a genuinely independent method for the determination of g is available for the first time since the introduction of laser interferometer based instruments. Current ...
  • The gravity field in force standard machines 
    Schilling, Manuel; Timmen, Ludger; Kumme, Rolf (Helsinki : IMEKO, 2017-06-01)
    The gravity acceleration g plays an important role in several physical quantities as provided by National Metrology Institutes. The unit of force is realized in dependence on g in force standard machines (FSM). We present ...
  • Gravity field modelling for optical clock comparisons 
    Denker, Heiner; Timmen, Ludger; Voigt, Christian (Prague : International Union of Geodesy and Geophysics (IUGG), 2015)
    A coordinated programme of clock comparisons is carried out within the EMRP-funded project “International Timescales with Optical Clocks” (ITOC), aiming at a validation of the uncertainty budgets of the new optical clocks ...
  • How important is the dynamical information in determination of LEO orbits 
    Shabanloui, Akbar; Kusche, Jürgen; Ilk, Karl Heinz (2010-06-28)
    The interest in a precise orbit determination of Low Earth Orbiters (LEOs) using GNSS observations to recover of the Earth's gravity field has been grown rapidly. With the advent of precise orbit and clock products at ...
  • Hydrodynamics of bivalve offshore aquaculture 
    Landmann, Jannis (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)
    Without sustainable offshore aquaculture it is impossible to achieve food security for coastal communities. Growing populations in coastal zones, amounting to approximately 40% of the entire human population, exert high ...
  • Implementation, Weiterentwicklung und Verifikation eines finiten Strukturelementes für elastisches und inelastisches Materialverhalten bei großen Deformationen. 
    Ben Salah, Meriem (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2015-11-19)
    Im Rahmen dieser Bachelorarbeit wird ein dreidimensionales sogenanntes ”Makro-Element“ mit linearen Ansatzfunktionen entwickelt und verifiziert, das für die Lösung statischer Probleme für nichtlinear elastisches und ...
  • Improving the rainfall nowcast for fine temporal and spatial scales suitable for urban hydrology 
    Shehu, Bora (Hannover : Institut für Hydrologie und Wasserwirtschaft, 2021)
    Accurate Quantitative Precipitation Forecasts (QPF) at high spatial and temporal resolution are crucial for urban flood prediction. Typically, Lagrangian persistence based on radar data is used to nowcast rainfall intensities ...
  • Influence of accelerometer parametrizations on GRACE post-fit residuals 
    Koch, Igor; Shabanloui, Akbar; Flury, Jakob (München : European Geosciences Union, 2019-04-07)
    Accelerometers onboard of satellites can be regarded as a key improvement in gravity field recovery. These instruments are located in the center of mass of the satellite and are precisely measuring non-gravitational forces ...
  • Influence of system changes on closely spaced modes of a large-scale concrete tower for the application to structural health monitoring 
    Jonscher, Clemens; Liesecke, Leon; Penner, Nikolai; Hofmeister, Benedikt; Grießmann, Tanja; Rolfes, Raimund (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)
    Concrete steel towers are increasingly being used for onshore wind turbines. The lower part consists of separated segmented concrete rings connected with dry joints. Due to slight deviations from the axisymmetric cross ...
  • Innovativer Eisenbahnbrückenbau : Langzeitverhalten der Längsverschieblichen Festen Fahrbahn unter klimatischen Einflüssen 
    Beltrán Gutiérrez, Raul Enrique (Hannover : Gottfried Wilhelm Leibniz Universität Hannover, 2015-12-10)
    Die Längsverschiebliche Feste Fahrbahn (LvFF) auf Brücken, als eine integrale Konstruktion, wird durch das Schwinden und die Temperaturschwankung aufgrund der Verformungsbehinderung beansprucht. So entstehen Zwangskräfte ...
  • Integrated estimation of UAV image orientation with a generalised building model 
    Unger, Jakob (Hannover : Leibniz Universität Hannover, 2020)
    The estimation of position and attitude of a camera, addressed as image orientation in photogrammetry, is an important task to obtain information on where a platform is located in the world or relative to objects. Unmanned ...
  • Intelligent Database Architecture for High-Integrity Urban Navigation 
    Ruwisch, Fabian; Ren, Le; Skupin, Christian; Kersten, Tobias; O'Connor, Marcus; Schön, Steffen; Wübbena, Temmo (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2022-06-05)
    Accuracy, integrity and availability requirements are very stringent in urban navigation and autonomous driving. The GNSS sensor is the only one that provides self-localisation in a global coordinate system. The challenge ...
  • Interface damage mechanism between concrete layers under temperature loads 
    Zhang, Sisi (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021-11-16)
    Beton-Beton-Verbundfugen werden in Baukonstruktionen häufig verwendet, beispielsweise zwischen Betonfertigteilen und Ortbetonelementen oder zwischen alten und neuen Betonelementen. Betonelemente erfahren Temperaturschwankungen ...
  • Intumescent coatings on steel structures exposed to natural fires 
    Weisheim, Waldemar (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2022)
    The main objective of this thesis is to evaluate the thermal and mechanical behaviour of intumescent coatings (also known as reactive fire protection materials) that are used to protect steel structures from a fire exposure ...

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