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Helicopter Precision Approach Capability Using The Global Positioning System
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722429447 Total Pages :60 pages Book Rating :4.4/5 (294 download)
Book Synopsis Helicopter Precision Approach Capability Using the Global Positioning System by : National Aeronautics and Space Administration (NASA)
Download or read book Helicopter Precision Approach Capability Using the Global Positioning System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The period between 1 July and 31 December, 1992, was spent developing a research plan as well as a navigation system document and flight test plan to investigate helicopter precision approach capability using the Global Positioning System (GPS). In addition, all hardware and software required for the research was acquired, developed, installed, and verified on both the test aircraft and the ground-based reference station. Kaufmann, David N. Ames Research Center...
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722428679 Total Pages :64 pages Book Rating :4.4/5 (286 download)
Book Synopsis Helicopter Approach Capability Using the Differential Global Positioning System by : National Aeronautics and Space Administration (NASA)
Download or read book Helicopter Approach Capability Using the Differential Global Positioning System written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-08 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of flight tests to determine the feasibility of using the Global Positioning System (GPS) in the differential mode (DGPS) to provide high accuracy, precision navigation and guidance for helicopter approaches to landing are presented. The airborne DGPS receiver and associated equipment is installed in a NASA UH-60 Black Hawk helicopter. The ground-based DGPS reference receiver is located at a surveyed test site and is equipped with a real-time VHF data link to transmit correction information to the airborne DGPS receiver. The corrected airborne DGPS information, together with the preset approach geometry, is used to calculate guidance commands which are sent to the aircraft's approach guidance instruments. The use of DGPS derived guidance for helicopter approaches to landing is evaluated by comparing the DGPS data with the laser tracker truth data. Both standard (3 degrees) and steep (6 degrees and 9 degrees) glidescope straight-in approaches were flown. DGPS positioning accuracy based on a time history analysis of the entire approach was 0.2 m (mean) +/- 1.8 m (2 sigma) laterally and -2.0 m (mean) +/- 3.5 m (2 sigma) vertically for 3 degree glidescope approaches, -0.1 m (mean) +/- 1.5 m (2 sigma) laterally and -1.1 m (mean) +/- 3.5 m (2 sigma) vertically for 6 degree glidescope approaches, and 0.2 m (mean) +/- 1.3 m (2 sigma) laterally and -1.0 m (mean) +/- 2.8 (2 sigma) vertically for 9 degree glidescope approaches. DGPS positioning accuracy at the 200 ft decision height on a standard 3 degree glidescope approach was 0.3 m (mean) +/- 1.5 m (2 sigma) laterally and -2.3 m (mean) +/- 1.6 m (2 sigma) vertically. These errors indicate that the helicopter position based on DGPS guidance satisfies the International Civil Aviation Organization Category 1 lateral and vertical accuracy requirements. Kaufmann, David N. Unspecified Center...
Book Synopsis Helicopter Precision Approach Capability Using the Global Positioning System by : David N. Kaufmann
Download or read book Helicopter Precision Approach Capability Using the Global Positioning System written by David N. Kaufmann and published by . This book was released on 1992 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Helicopter Approach Capability Using the Differential Global Positioning System by : David N. Kaufmann
Download or read book Helicopter Approach Capability Using the Differential Global Positioning System written by David N. Kaufmann and published by . This book was released on 1993 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Application of Differential Techniques to the Global Positioning System for a Helicopter Precision Approach by : Daryl L. McCall
Download or read book A Study of the Application of Differential Techniques to the Global Positioning System for a Helicopter Precision Approach written by Daryl L. McCall and published by . This book was released on 1984 with total page 90 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 1995 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Precision Revolution by : Michael Russell Rip
Download or read book The Precision Revolution written by Michael Russell Rip and published by US Naval Institute Press. This book was released on 2002 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ever since so-called smart bombs debuted in the Vietnam War, precision weapons have been an expected part of modern warfare. While most Americans are aware of the use of these technological wonders, frequently viewing images of pinpoint accuracy on their television screens, few understand how the weapons work. In this very readable explanation, Michael Rip and James Hasik not only clarify the complex technology but chronicle the use of these modern marvels and elaborate on the promises and the pitfalls behind them. At the root of today's precision weapons is the Global Positioning System (GPS) -- the same system used by professional marine and aerial navigators and even by modern hikers, drivers of upscale automobiles, and sailboat owners. The authors remove much of the mystery of this satellite-based system, explaining how it has revolutionized the art and science of navigation and overturned many of the solutions to the age-old problems of targeting. Relevant examples taken from today's headlines demonstrate both the capabilities and the limitations of these weapons. Their use in Bosnia, Kosovo, and the stand-off engagements in the no-fly zones of Iraq make a great deal more sense with this book in hand. Many of the emerging debates spawned by a mandated review of U.S. defense policy are clarified. From the details of the weapons systems and their employment to their political implications, this sweeping analysis of the effects of a revolutionary technology on military operations and strategy is without parallel. A wealth of illustrations help the reader understand how technologies work and fit together, how they are practically used, and what they mean for the future.
Book Synopsis The Global Positioning System by : Scott Pace
Download or read book The Global Positioning System written by Scott Pace and published by RAND Corporation. This book was released on 1995 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive assessment of the challenges and opportunities created by worldwide access to this revolutionary technology.
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations Publisher : ISBN 13 : Total Pages :978 pages Book Rating :4.0/5 (18 download)
Book Synopsis Department of Transportation and Related Agencies Appropriations for 1992 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Download or read book Department of Transportation and Related Agencies Appropriations for 1992 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and published by . This book was released on 1991 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994-06 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1995 with total page 1686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sections 1-2. Keyword Index.--Section 3. Personal author index.--Section 4. Corporate author index.-- Section 5. Contract/grant number index, NTIS order/report number index 1-E.--Section 6. NTIS order/report number index F-Z.
Book Synopsis SH-3 Helicopter/Global Positioning System Integration Analysis by :
Download or read book SH-3 Helicopter/Global Positioning System Integration Analysis written by and published by . This book was released on 1982 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Global Positioning System (GPS), the transmitted navigational signal, and the overall acquisition approach are explained. Navigational receiver components are functionally described and the hierarchy of platform integration and capability is discussed. Specifically explored is the integration of GPS into the Sikorsky SH-3 Helicopter. Performance comparisons of the medium versus high dynamic receiver, based solely on preliminary simulation data, indicate that at this time the medium dynamic receiver is the optimum configuration. Elimination of the doppler radar in lieu of the five channel receiver would only be possible after through over-water testing of the high dynamic set. The actual velocity accuracy of GPS receivers in a hovering helicopter is the main question yet to be answered. The overall mission effectiveness of the GPS equipped SH-3 Helicopter should be significantly improved because of an accurate, stand-alone navigation system. (Author).
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations Publisher : ISBN 13 : Total Pages :902 pages Book Rating :4.0/5 (18 download)
Book Synopsis Department of Transportation and Related Agencies Appropriations for 1990: 1990 budget justifications, Department of Transportation ... pt. 3-6. Department of Transportation by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Download or read book Department of Transportation and Related Agencies Appropriations for 1990: 1990 budget justifications, Department of Transportation ... pt. 3-6. Department of Transportation written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and published by . This book was released on 1989 with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations Publisher : ISBN 13 : Total Pages :896 pages Book Rating :4.3/5 (121 download)
Book Synopsis Department of Transportation and Related Agencies Appropriations for 1990 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Download or read book Department of Transportation and Related Agencies Appropriations for 1990 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and published by . This book was released on 1989 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations Publisher : ISBN 13 : Total Pages :982 pages Book Rating :4.F/5 ( download)
Book Synopsis Department of Transportation and Related Agencies Appropriations for 1989 by : United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations
Download or read book Department of Transportation and Related Agencies Appropriations for 1989 written by United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Transportation and Related Agencies Appropriations and published by . This book was released on 1989 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies Publisher : ISBN 13 : Total Pages :968 pages Book Rating :4.3/5 ( download)
Book Synopsis Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1999 by : United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies
Download or read book Departments of Veterans Affairs and Housing and Urban Development, and Independent Agencies Appropriations for 1999 written by United States. Congress. House. Committee on Appropriations. Subcommittee on VA, HUD, and Independent Agencies and published by . This book was released on 1998 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
