Essays about: "ionosphere"
Showing result 1 - 5 of 47 essays containing the word ionosphere.
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1. Satellite signal attenuation due to atmospheric influences in northern Sweden
University essay from Umeå universitet/Institutionen för fysikAbstract : Earth-space traversing electromagnetic waves become attenuated as they propagate through the atmosphere. The sources of attenuation are weather phenomena in the Troposphere, and scintillation and absorption in the Ionosphere. READ MORE
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2. Characterization of Lamps of IRF Solar Simulator
University essay from Luleå tekniska universitet/RymdteknikAbstract : The Swedish Institute of Space Physics (IRF) at Kiruna focuses on research activities in the ionosphere, magnetosphere, and upper atmosphere of the planet as well as the development and production of various sensors and detectors for space research. The test facility includes the IRF SpaceLab which is equipped with multiple testing equipment. READ MORE
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3. Model-Observation Comparisons of O+ Concentrations in the Martian Ionosphere
University essay from Uppsala universitet/Institutionen för fysik och astronomiAbstract : A few years ago, the charge-transfer reaction CO2+ + O ⟶ O+ + CO2 was investigated experimentally for the first time since the study by Fehsenfeld et al., (1970). This new investigation was conducted by Tenewitz et al., (2018). READ MORE
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4. Implementing Total Electron Content in the Grand Unifed Incoherent Scattering Design and Analysis Program for Investigation of Causes to Scintillations
University essay from Luleå tekniska universitet/RymdteknikAbstract : Functionality for calculating and plotting diferent Total Electron Content (TEC) measurements such as Slant Total Electron Content (sTEC), error in sTEC, and VerticalTotal Electron Content (vTEC) was implemented into the data analysis program fromEuropean Incoherent Scattering Scientifc Association (EISCAT), the Grand Unifed Incoherent Scattering Design and Analysis Program (GUISDAP). This utilises a thin-singlelayer model of the ionosphere to convert sTEC into the more analytically useful vTEC. READ MORE
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5. Real Time Navigation Algorithms for LEO Small Satellites using COTS GNSS
University essay from KTH/Lantmäteri – fastighetsvetenskap och geodesiAbstract : Many satellites in LEO use a GNSS-based navigation system, taking advantage of the GNSS constellations in MEO to enhance navigation capabilities. The thesis work focused on developing the software enabling GNSS-based navigation for Hemeria's future small satellites operating in LEO. READ MORE