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  • ELECTRONICS AND ELECTRICAL ENGINEERING  (3)
  • MECHANICS  (2)
  • SPACE SCIENCES  (1)
  • 1
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    Frequency domain laser velocimeter signal processor (1986)
    In:  Other Sources
    Details
    Publikationsdatum: 2018-12-01
    Beschreibung: A laser velocimeter frequency domain signal processor is described which utilizes smart instrumentation to configure itself to maximize measurement accuracy based on the determined characteristics of the input signals. The stystem provides the same measurement capabilities as the high-speed burst counter in instantaneous measurements of signal frequency, the same automatic gain control and automatic frequency control as the frequency tracker, and the same immunity to signal-to-noise derived errors as the photon correlator. Simulation results demonstrate measurement accuracies of better than 0.2 percent for signal frequencies up to 100 MHz.
    Schlagwort(e): ELECTRONICS AND ELECTRICAL ENGINEERING
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 2
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    Skylab experiment performance evaluation manual (1972)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: A series of preparation analyses used for evaluating the performance of the Skylab corollary experiments under preflight, in-flight, and postflight conditions is given. Experiment continegency plan work-around procedure and malfunction analyses are presented in order to assist in making the experiment operationally succesful.
    Schlagwort(e): SPACE SCIENCES
    Materialart: NASA-CR-61386
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 3
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    Miniature velocimeter (1979)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: Laser velocimeter (LV) designed to use semiconductor-diode laser is 100 times smaller than continuous-wave gas-laser velocimeter permitting mounting within wind-tunnel models or on engine walls. Mini LV uses only 0.4 watts of power and measures velocities with accuracy of 98% or better.
    Schlagwort(e): MECHANICS
    Materialart: LAR-12281 , NASA Tech Briefs (ISSN 0145-319X); 3; 4; P. 572
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 4
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    The potential of carbon fiber induced shock hazards in household toasters (1979)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: The average exposure to carbon fibers which produced a short and potential shock hazard in a household toaster was determined. Toasters are normally in the off state. They are used for brief periods during the day and have timed cycles during which power is applied. The possibility of a short occurring from the heating element to the case was investigated to find the exposure levels at which a potential shock hazard could appear. The short produced was tested to determine its importance.
    Schlagwort(e): ELECTRONICS AND ELECTRICAL ENGINEERING
    Materialart: NASA-CR-159147
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
  • 5
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    Autocovariance Computer (1984)
    In:  Other Sources
    Details
    Publikationsdatum: 2019-06-28
    Beschreibung: Laser-velocimeter covariance processor calculates autocovariance and cross-covariance functions for turbulent flow field, based on Poissonsampled measurements in time from laser velocimeter. Hardware implementation of correlation technique to laser velocimeter flow-field diagnostic system fast enough for online production applications.
    Schlagwort(e): MECHANICS
    Materialart: LAR-12968 , NASA Tech Briefs (ISSN 0145-319X); 8; 2; P. 237
    Format: text
    Standort Signatur Erwartet Verfügbarkeit
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    NASA TECHNICAL REPORTS
  • 6
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    Vulnerability of Quick Disconnect Connectors to Carbon Fibers (1979)
    In:  CASI
    Details
    Publikationsdatum: 2019-06-27
    Beschreibung: Unprotected quick disconnect electrical connectors were exposed to fibers of 3mm, 7mm, and 12mm lengths. The average exposure to failure was determined. Results indicate that when the fiber length divided by the airgap is less than one, multiple fibers are required to bridge the gap, and the exposure time to failure rises rapidly.
    Schlagwort(e): ELECTRONICS AND ELECTRICAL ENGINEERING
    Materialart: NASA-CR-158999
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    NASA TECHNICAL REPORTS
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