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An Investigation Of Conformable Antennas For The Astronaut Backpack Communication System
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722938895 Total Pages :190 pages Book Rating :4.9/5 (388 download)
Book Synopsis An Investigation of Conformable Antennas for the Astronaut Backpack Communication System by : National Aeronautics and Space Administration (NASA)
Download or read book An Investigation of Conformable Antennas for the Astronaut Backpack Communication System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-17 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: During periods of extravehicular activity it is obviously important that communication and telemetry systems continue to function independently of the astronaut. A system of antennas must therefore be designed that will provide the necessary isotropic coverage using circular polarization over both the transmit and receive frequency bands. To avoid the inherent physical limitations to motion that would be incurred with any sort of protruding antenna, it is necessary that the radiator be essentially flush-mounted or conformable to the structure on which it is attached. Several individual antenna elements are needed for the desired coverage. Both the particular elements chosen and their location determine the ultimate radiation pattern of the overall system. For these reasons a two-fold research plan was undertaken. First, individual elements were investigated and designed. Then various mounting locations were considered and the radiation patterns were predicted taking into account the effects of the astronaut's backpack. Long, Stuart A. and Jackson, David R. and Williams, Jeffery T. and Wilton, Donald R. Unspecified Center ASTRONAUTS; EXTRAVEHICULAR ACTIVITY; PORTABLE EQUIPMENT; RADIO COMMUNICATION; ANTENNA RADIATION PATTERNS; CIRCULAR POLARIZATION; ISOTROPY; TELEMETRY...
Book Synopsis An Investigation of Conformable Antennas for the Astronaut Backpack Communication System by : Stuart A. Long
Download or read book An Investigation of Conformable Antennas for the Astronaut Backpack Communication System written by Stuart A. Long and published by . This book was released on 1988 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology for Large Space Systems by :
Download or read book Technology for Large Space Systems written by and published by . This book was released on 1989 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1988 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Aeronautics and Space Administration. Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :192 pages Book Rating :4.:/5 (317 download)
Book Synopsis Technology for Large Space Systems: A Bibliography with Indexes (supplement 20) by : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
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Book Synopsis Space Station Systems: A Bibliography with Indexes (supplement 8) by :
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Book Synopsis Microwave Tomography by : Sima Noghanian
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Author :National Aeronautics and Space Administration Publisher :Government Printing Office ISBN 13 :9780160841910 Total Pages :214 pages Book Rating :4.8/5 (419 download)
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