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  • ELECTRONIC SYSTEMS  (3)
  • 2005-2009
  • 1990-1994  (3)
  • 2018
  • 1994  (3)
  • 1
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    Optoelectronic Tool Measures Steps And Gaps Between Tiles (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Optoelectronic tool measures gaps between tiles and steps between faces of tiles. Eliminates need for difficult, tedious, time-consuming, and error-prone manual measurements. Automates measurements of steps and gaps to within 0.006 in. and records data automatically. Developed for inspecting thermal-insulation tiles on Space Shuttle. Adaptable to inspection of any other settings where steps and gaps critical.
    Keywords: ELECTRONIC SYSTEMS
    Type: KSC-11583 , Laser Tech. Brief.; 2; 3; P. 78
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Computing Plasma Interactions Of A Spacecraft (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: NASCAP/LEO (NASA Spacecraft Charging Analyzer Program for Low Earth Orbit) implements collection of mathematical models and algorithms designed to study electrostatic interaction between cold, dense plasma and spacecraft surfaces. Computes variety of electrostatic, plasma, and flow effects. Appropriate for conditions in which temperature of plasma small in comparison with spacecraft-generated potentials and Debye screening length short in comparison with dimensions of spacecraft. Related NASCAP/GEO (LEW-12973) code (NASA Charging Analyzer Program for Geosynchronous Orbit, denoted as NASCAP) appropriate for conditions which spacecraft differential potentials result from interactions with hot plasma and Debye screening length larger than dimensions of spacecraft. Object-definition portion of NASCAP/GEO code provided as part of package. NASCAP/LEO written in FORTRAN 77 and C language.
    Keywords: ELECTRONIC SYSTEMS
    Type: LEW-15641 , NASA Tech Briefs (ISSN 0145-319X); 18; 11; P. 81
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Fast, Massively Parallel Data Processors (1994)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Proposed fast, massively parallel data processor contains 8x16 array of processing elements with efficient interconnection scheme and options for flexible local control. Processing elements communicate with each other on "X" interconnection grid with external memory via high-capacity input/output bus. This approach to conditional operation nearly doubles speed of various arithmetic operations.
    Keywords: ELECTRONIC SYSTEMS
    Type: GSC-13304 , NASA Tech Briefs (ISSN 0145-319X); 18; 8; P. 18
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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