Gps se13057
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The document discusses the Global Positioning System (GPS). It provides information on: - The history and development of GPS by the US Department of Defense starting in 1969. - How GPS works using a network of satellites that transmit timing and location data to receivers on Earth to calculate latitude, longitude and altitude. - The components of GPS including 24 satellites in six orbital planes, ground control stations, and user receivers. - Applications of GPS technology including navigation for vehicles, aviation and maritime uses, agriculture, mapping, and recreation activities like hiking.
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Gps se13057
- 1. YOUNGREADER be an entrepreneur www.youngreader.mn Global Positioning System Ts.Batsaikhan J.SE13D057
- 2. YOUNGREADER be an entrepreneur www.youngreader.mn WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY CONTENT
- 3. YOUNGREADER be an entrepreneur www.youngreader.mn WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY • Orbiting navigational satellites • Transmit position and time data • Handheld receivers calculate • latitude • longitude • altitude • velocity • Developed by Department of Defense GLOBAL POSITIONING SYSTEM
- 4. YOUNGREADER be an entrepreneur www.youngreader.mn HISTORY OF THE GPS WHAT IS THE GPS ? COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY • 1969—Defense Navigation Satellite System (DNSS) formed • 1973—NAVSTAR Global Positioning System developed • 1978—first 4 satellites launched • 1993—24th satellite launched; initial operational capability • 1995—full operational capability • May 2000—Military accuracy available to all users GLOBAL POSITIONING SYSTEM
- 5. YOUNGREADER be an entrepreneur www.youngreader.mn COMPONENTS OF THE SYSTEM WHAT IS THE GPS ? HISTORY OF THE GPS HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY • Space segment • 24 satellite vehicles • Six orbital planes • Inclined 55o with respect to equator • Orbits separated by 60o • 20,200 km elevation above Earth • Orbital period of 11 hr 55 min • Five to eight satellites visible from any point on Earth • Block I Satellite Vehicle GLOBAL POSITIONING SYSTEM
- 6. YOUNGREADER be an entrepreneur www.youngreader.mn COMPONENTS OF THE SYSTEM WHAT IS THE GPS ? HISTORY OF THE GPS HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY User segment • Master control station • Schreiver AFB, Colorado • Five monitor stations • Three ground antennas • Backup control system GLOBAL POSITIONING SYSTEM
- 7. YOUNGREADER be an entrepreneur www.youngreader.mn COMPONENTS OF THE SYSTEM WHAT IS THE GPS ? HISTORY OF THE GPS HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY Ground control segment • GPS antennas & receiver/processors • Position • Velocity • Precise timing • Used by • Aircraft • Ground vehicles • Ships • Individuals GLOBAL POSITIONING SYSTEM
- 8. YOUNGREADER be an entrepreneur www.youngreader.mn COMPONENTS OF THE SYSTEM WHAT IS THE GPS ? HISTORY OF THE GPS HOW DOES GPS WORK ? SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY GLOBAL POSITIONING SYSTEM
- 9. YOUNGREADER be an entrepreneur www.youngreader.mn HOW DOES GPS WORK ? WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY • Satellite ranging • Satellite locations • Satellite to user distance • Need four satellites to determine position • Distance measurement • Radio signal traveling at speed of light • Measure time from satellite to user • Low-tech simulation GLOBAL POSITIONING SYSTEM
- 10. YOUNGREADER be an entrepreneur www.youngreader.mn HOW DOES GPS WORK ? WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY GLOBAL POSITIONING SYSTEM • Pseudo-Random Code • Complex signal • Unique to each satellite • All satellites use same frequency • “Amplified” by information theory • Economical
- 11. YOUNGREADER be an entrepreneur www.youngreader.mn HOW DOES GPS WORK ? WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY • Accurate timing is the key to measuring distance to satellites. • Satellites are accurate because they have four atomic clocks ($100,000 each) on board. • Receiver clocks don't have to be too accurate because an extra satellite range measurement can remove errors. • To use the satellites as references for range measurements we need to know exactly where they are. • GPS satellites are so high up their orbits are very predictable. GLOBAL POSITIONING SYSTEM
- 12. YOUNGREADER be an entrepreneur www.youngreader.mn HOW DOES GPS WORK ? WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM SYSTEM PERFORMANCE APPLICATION OF GPS TECHNOLOGY GLOBAL POSITIONING SYSTEM
- 13. YOUNGREADER be an entrepreneur www.youngreader.mn SYSTEM PERFORMANCE WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? APPLICATION OF GPS TECHNOLOGY • Standard Positioning System • 100 meters horizontal accuracy • 156 meters vertical accuracy • Designed for civilian use • No user fee or restrictions • Precise Positioning System • 22 meters horizontal accuracy • 27.7 meters vertical accuracy • Designed for military use GLOBAL POSITIONING SYSTEM
- 14. YOUNGREADER be an entrepreneur www.youngreader.mn SYSTEM PERFORMANCE WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? APPLICATION OF GPS TECHNOLOGY • Selective availability • Intentional degradation of signal • Controls availability of system’s full capabilities • Set to zero May 2000 • Reasons • Enhanced 911 service • Car navigation • Adoption of GPS time standard • Recreation GLOBAL POSITIONING SYSTEM
- 15. YOUNGREADER be an entrepreneur www.youngreader.mn SYSTEM PERFORMANCE WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? APPLICATION OF GPS TECHNOLOGY GLOBAL POSITIONING SYSTEM
- 16. YOUNGREADER be an entrepreneur www.youngreader.mn APPLICATION OF GPS TECHNOLOGY WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE GLOBAL POSITIONING SYSTEM • Location - determining a basic position • Navigation - getting from one location to another • Tracking - monitoring the movement of people and things • Mapping - creating maps of the world • Timing - bringing precise timing to the world
- 17. YOUNGREADER be an entrepreneur www.youngreader.mn APPLICATION OF GPS TECHNOLOGY WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE GLOBAL POSITIONING SYSTEM • Private and recreation • Traveling by car • Hiking, climbing, biking • Vehicle control • Mapping, survey, geology • English Channel Tunnel • Agriculture • Aviation • General and commercial • Spacecraft • Maritime
- 18. YOUNGREADER be an entrepreneur www.youngreader.mn APPLICATION OF GPS TECHNOLOGY WHAT IS THE GPS ? HISTORY OF THE GPS COMPONENTS OF THE SYSTEM HOW DOES GPS WORK ? SYSTEM PERFORMANCE GLOBAL POSITIONING SYSTEM