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Author: M. D. Bailey
Publisher:
ISBN:
Category : Satellite solar power stations
Languages : en
Pages : 96
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Book Description
Author: M. D. Bailey
Publisher:
ISBN:
Category : Satellite solar power stations
Languages : en
Pages : 96
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722430184
Category :
Languages : en
Pages : 96
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Book Description
Solar power is a preeminent alternative to conventional aircraft propulsion. With the continued advances in solar cells, fuel cells, and composite materials technology, the solar powered airplane is no longer a simple curiosity constrained to flights of several feet in altitude or minutes of duration. A high altitude solar powered platform (HASPP) has several potential missions, including communications and agriculture. In remote areas, a HASPP could be used as a communication link. In large farming areas, a HASPP could perform remote sensing of crops. The impact of HASPP in continuous flight for one year on agricultural monitoring mission is presented. This mission provides farmers with near real-time data twice daily from an altitude which allows excellant resolution on water conditions, crop diseases, and insect infestation. Accurate, timely data will enable farmers to increase their yield and efficiency. A design for HASPP for the foregoing mission is presented. In the design power derived from solar cells covering the wings is used for propulsion, avionics, and sensors. Excess power produced midday will be stored in fuel cells for use at night to maintain altitude and course. Bailey, M. D. and Bower, M. V. Marshall Space Flight Center...
Author: Alejandro Aragón-Zavala
Publisher: John Wiley & Sons
ISBN: 0470997427
Category : Technology & Engineering
Languages : en
Pages : 256
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Book Description
Provides an introduction to High-Altitude Platform Stations (HAPS) technology and its applications for wireless communications High-altitude platform stations offer a promising new technology that combines the benefits of terrestrial and satellite communication systems for delivering broadband communications to users at a low cost. They are easily deployable and easy to maintain, which is why they offer a good alternative for network operators who need to find ways to get more coverage to satisfy the increasing demand for more capacity. HAPS are usually balloons, airships or unmanned aerial systems (UAS) located in the stratosphere. An enormous interest has grown worldwide to examine their use not only for broadband communications, but also for emergency services, navigation, traffic monitoring, cellular, etc. Key features include: Unique book focusing on emerging HAPS technology and its applications Provides a thorough overview of the technology including HAPS-based communications systems, antennas for HAPS, radio propagation and channel modelling issues and HAPS networking aspects Presents various HAPS-related projects and initiatives developed throughout the world (North America, Europe and Asia-Pacific) Features a comprehensive overview on both aeronautical and telecommunications regulatory aspects, which will affect the deployment and future developments in the field of HAPS High-Altitude Platform Systems for Wireless Communications will prove essential reading for postgraduate students in the field of HAPS, engineers, developers and designers involved in the design and maintenance of HAPS, aerospace engineers, and communications system planners and researchers.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1308
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Book Description
Author:
Publisher:
ISBN:
Category : Astronautics
Languages : en
Pages : 420
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1034
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages :
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Author: Don Berliner
Publisher: Lerner Publications
ISBN: 9780822515807
Category : Juvenile Nonfiction
Languages : en
Pages : 70
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Book Description
Describes some of the many planes being designed today as designers and engineers experiment with new ideas, materials, fuels, and control systems to develop planes that will fly faster, further, higher, and more efficiently.
Author:
Publisher:
ISBN:
Category : Solar energy
Languages : en
Pages : 196
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Book Description
Author:
Publisher:
ISBN:
Category : Military art and science
Languages : en
Pages : 904
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Book Description
