MAKE A MEME View Large Image ConstellationGPS.gif A simulation of the original design of the GPS space segment with 24 GPS satellites 4 satellites in each of 6 orbits showing the evolution of the number of visible satellites from a fixed point 45°N on earth ...
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Keywords: ConstellationGPS.gif A simulation of the original design of the GPS space segment with 24 GPS satellites 4 satellites in each of 6 orbits showing the evolution of the number of visible satellites from a fixed point 45°N on earth considering visibility as having direct line of sight The parameters used to simulate the orbits are eccentricity e 0 05 inclination i 55° and a separation between orbits of 60° in the right ascension of the ascending node Within each orbit the four satellites are evenly spaced the instant of pass through perihelion being arbitrary for the first satellite in each orbit The orbital period of the satellites was taken to be 12 hours The earth was considered a perfect sphere with a radius of 6400 km The time in the animation is running about 2880 times faster than real time half a minute representing 24 hours as clearly seen in the rotation of earth The simulation was created using MATLAB and converted to animated gif format using Adobe ImageReady Eine Simulation von 24 GPS-Satelliten 4 auf jeder der 6 Umlaufbahnen die die Anzahl der zu einer bestimmten Zeit nutzbaren Satelliten an einem fixen Punkt 45°N zeigt Die Bahnen wurden mit folgenden Voraussetzungen simuliert Exzentrizität e 0 05 Neigung i 55° und Trennung zwischen den Bahnen von 60° in der Rektaszension des aufsteigenden Knotens Innerhalb der Bahnen sind die Satelliten gleichmäßig verteilt die Position des ersten Satelliten wurde willkürlich gewählt Die Satelliten umrunden den Planeten innerhalb von 12 Stunden Der Planet ist eine ideale Sphäre mit einem Radius von 6400 km Der Zeitraffer beschleunigt die Animation ca um das 2880-fache was dazu führt dass 24 Stunden in einer halben Minute vergehen siehe Umdrehung des Planeten Die Simulation wurde mit MATLAB erstellt und mit Adobe ImageReady ins GIF-Format übertragen Transferred from http //en wikipedia org en wikipedia 2007-12-07 Original uploader was El pak at http //en wikipedia org en wikipedia Released into the public domain by the author Created with MATLAB en wikipedia El pak original upload log page en wikipedia ConstellationGPS gif 2007-12-09 17 51 El pak 240×192×8 497149 bytes <nowiki>A simulation of the original design of the GPS space segment with 24 GPS satellites 4 satellites in each of 6 orbits showing the evolution of the number of visible satellites from a fixed point 45ºN on earth considering visibility as having dire</nowiki> 2007-12-07 01 41 El pak 316×272×10 1186667 bytes <nowiki>A simulation of the 24 GPS satellites 4 satellites in each of 6 orbits including the evolution of the number of visible satellites from a fixed point 45ºN on earth considering visibility as having direct line of sight </nowiki> Global Positioning System Animated diagrams Animated GIF
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