Sökning: "Low Earth Orbit LEO"

Visar resultat 16 - 20 av 22 uppsatser innehållade orden Low Earth Orbit LEO.

1. 16. Integration of an Electric Propulsion High Voltage Unit into the FLP2 SmallSat Testbench

   Master-uppsats, Luleå tekniska universitet/Rymdteknik

   Författare :Thomas Walford; [2018]
   Nyckelord :;

   Sammanfattning : This paper is based around the test bench for the Flexible LEO Platform, a proposed small satellite platform for use in Low Earth Orbit. The main focus of the paper is the integration of a High Voltage Unit into this test bench. LÄS MER

3. 17. Simulation of attitude and orbital disturbances acting on ASPECT satellite in the vicinity of the binary asteroid Didymos

   Master-uppsats, Luleå tekniska universitet/Rymdteknik

   Författare :Erick Flores Garcia; [2017]
   Nyckelord :Solar System; Small celestial bodies; CubeSat; Attitude Determination Control Systems; Orbit Disturbances;

   Sammanfattning : Asteroid missions are gaining interest from the scientific community and many new missions are planned. The Didymos binary asteroid is a Near-Earth Object and the target of the Asteroid Impact and Deflection Assessment (AIDA). LÄS MER

4. 18. Analysis of Passive Attitude Stabilisation and Deorbiting of Satellites in Low Earth Orbit

   Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Författare :Benjamin Hawe; [2016]
   Nyckelord :electrodynamic; electrodynamic tether; EDT; drag augmentation; drag sail; drag balloon; passive attitude stabilisation; passive; attitude; stability; low earth orbit; LEO; deorbit; de-orbit; Post Mission Disposal; TeSeR;

   Sammanfattning : Orbital debris poses a serious threat to ongoing operations in space.  Recognising this threat, the European Commission has funded the three-year Technology for Self Removal (TeSeR) project with the goal of developing a standard scalable Post Mission Disposal (PMD) module to remove satellites from orbit following the completion of their mission. LÄS MER

5. 19. Mission Concept for a Satellite Mission to Test Special Relativity

   Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

   Författare :Volkan Anadol; [2016]
   Nyckelord :BOOST; Special Relativity; Kennedy Thorndike; Eclipse duration; Ground visibility; Downlink feasibility; 3-axis stabilization; Spin stabilized satellite; Solar array estimation; Battery size estimation.;

   Sammanfattning : In 1905 Albert Einstein developed the theory of Special Relativity. This theory describes the relation between space and time and revolutionized the understanding of the universe. While the concept is generally accepted new experimental setups are constantly being developed to challenge the theory, but so far no contradictions have been found. LÄS MER

7. 20. Kinematic orbit determination of low Earth orbiting satellites, using satellite-to-satellite tracking data and comparison of results with different propagators

   Master-uppsats, KTH/Geodesi och geoinformatik

   Författare :Muhammad Zaheer; [2014]
   Nyckelord :GPS; Orbit Computation; STK; SGP4; HPOP;

   Sammanfattning : The GPS data from Challenging Mini-satellite Payload (CHAMP) is used for its orbit determination for the epoch day of January 1st 2002.  The orbit of CHAMP is computed from the GPS data and ionospheric effects are removed by frequency combination. LÄS MER