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  • Other Sources  (85)
  • EARTH RESOURCES AND REMOTE SENSING  (50)
  • Launch Vehicles and Launch Operations  (22)
  • AIRCRAFT DESIGN, TESTING AND PERFORMANCE  (13)
  • 2005-2009  (22)
  • 1975-1979  (63)
Collection
  • Other Sources  (85)
Source
Keywords
Years
Year
  • 1
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    Constellation Launch Vehicles Overview (2009)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: This slide presentation reviews the current status of the launch vehicles associated with the Constellation Program. These are the Ares I and the Ares V. An overview of the Ares launch vehicles is included. The presentation stresses that the major criteria for the Ares I launcher is the safety of the crew, and the presentation reviews the various features that are designed to assure that aim. The Ares I vehicle is being built on a foundation of proven technologies, and the Ares V will give NASA unprecedented performance and payload volume that can enable a range of future missions. The CDs contain videos of scenes from various activities surrounding the design, construction and testing of the vehicles.
    Keywords: Launch Vehicles and Launch Operations
    Type: Human Space Flight Review; Jul 29, 2009; Huntsville, AL; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Advanced structures technology applied to a supersonic cruise arrow-wing configuration (1976)
    In:  CASI
    Details
    Publication Date: 2016-06-07
    Description: The application of advanced technology to a promising aerodynamic configuration was explored to investigate the improved payload range characteristics over the configuration postulated during the National SST Program. The results of an analytical study performed to determine the best structural approach for design of a Mach number 2.7 arrow-wing supersonic cruise aircraft are highlighted. The data conducted under the auspices of the Structures Directorate of the National Aeronautics and Space Administration, Langley Research Center, established firm technical bases from which further trend studies were conducted to quantitatively assess the benefits and feasibility of using advanced structures technology to arrive at a viable advanced supersonic cruise aircraft.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA. Langley Res. Center Proc. of the SCAR Conf., Pt. 2,; 34 p
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Sampling for area estimation: A comparison of full-frame sampling with the sample segment approach (1979)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The effect of sampling on the accuracy (precision and bias) of crop area estimates made from classifications of LANDSAT MSS data was investigated. Full-frame classifications of wheat and non-wheat for eighty counties in Kansas were repetitively sampled to simulate alternative sampling plants. Four sampling schemes involving different numbers of samples and different size sampling units were evaluated. The precision of the wheat area estimates increased as the segment size decreased and the number of segments was increased. Although the average bias associated with the various sampling schemes was not significantly different, the maximum absolute bias was directly related to sampling unit size.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E83-10256 , NASA-CR-171627 , SR-P1-04160 , NAS 1.26:171627 , LARS-062779
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Processing techniques development (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E78-10045 , NASA-CR-151610 , LARS-112777 , T-1314/4 , MA-129TA
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Test of spectral/spatial classifier (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The author has identified the following significant results. The supervised ECHO processor (which utilizes class statistics for object identification) successfully exploits the redundancy of states characteristic of sampled imagery of ground scenes to achieve better classification accuracy, reduce the number of classifications required, and reduce the variability of classification results. The nonsupervised ECHO processor (which identifies objects without the benefit of class statistics) successfully reduces the number of classifications required and the variability of the classification results.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E78-10044 , NASA-CR-151609 , LARS-112877 , T-1314/4 , MA-129TA
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    ECHO user's guide (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E78-10172 , NASA-CR-151817 , LARS-PUBL-083077
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Low-cost, aerial photographic inventory of tidal wetlands (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10444 , NASA-CR-148521 , CRS-2-76
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Remote sensing of coastal pollutants (1976)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: There are no author-identified significant results in this report.
    Keywords: EARTH RESOURCES AND REMOTE SENSING
    Type: E76-10442 , NASA-CR-148519
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Arrow-wing supersonic cruise aircraft structural design concepts evaluation. Volume 1: Sections 1 through 6 (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The structural approach best suited for the design of a Mach 2.7 arrow-wing supersonic cruise aircraft was investigated. Results, procedures, and principal justification of results are presented. Detailed substantiation data are given. In general, each major analysis is presented sequentially in separate sections to provide continuity in the flow of the design concepts analysis effort. In addition to the design concepts evaluation and the detailed engineering design analyses, supporting tasks encompassing: (1) the controls system development; (2) the propulsion-airframe integration study; and (3) the advanced technology assessment are presented.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-CR-132575-1
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 10
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    Arrow-wing supersonic cruise aircraft structural design concepts evaluation. Volume 3: Sections 12 through 14 (1975)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The design of an economically viable supersonic cruise aircraft requires the lowest attainable structural-mass fraction commensurate with the selected near-term structural material technology. To achieve this goal of minimum structural-mass fraction, various combinations of promising wing and fuselage primary structure were analyzed for the load-temperature environment applicable to the arrow wing configuration. This analysis was conducted in accordance with the design criteria specified and included extensive use of computer-aided analytical methods to screen the candidate concepts and select the most promising concepts for the in-depth structural analysis.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: NASA-CR-132575-3
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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