SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Design and characteristics of time of flight mass spectrometer to measure or analyze gases at low pressures and time of flight of single gas molecule
Development of method for synchronizing clocks at several ground stations based on signals received from spacecraft or satellites
Development of systems for automatically and continually suppressing or attenuating bending motion in elastic bodies
System for maintaining motor at predetermined speed using digital pulses
Input radio frequency circuit for switching type absolute temperature measuring radiometer for noise sources
One shot multivibrator circuit for producing long duration output pulses
Digital magnetic core memory with sensing amplifier circuits
Longitudinalfilm gate and lock mechanism for securing film in motion picture cameras under vibration and high acceleration loads
Pulse generating circuit for operation at very high duty cycles and repetition rates
Optimal control theory and systems analysis of man machine systems and operator performance prediction model for compensatory tracking tasks are discussed.
Precision full wave rectifier circuit for rectifying incoming electrical signals having positive or negative polarity with only positive output signals
Surface plasma resonance effect in diffraction gratings and relation of effect to space contamination by spacecraft instruments
Service and shelf life tests of radiation survey meter and personal radiation dosimeter battery packs used on Apollo spacecraft
Asteroid surface properties determined by photometric measurements of phase curve between 10 and 30 deg
Noise reduction studies involving variable geometry inlet guide vanes for choking using two-sector cascade apparatus with three inlet configurations
CAT wind structure and velocity dynamics, using Doppler radar techniques
Ocular counter-rolling as otolith organ function indicator
Photospheric and interplanetary magnetic field polarity and magnitude comparison, using Explorer observations