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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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Report on input-output feasibility study
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Digital input is buffered to real-time analog display
Buffering technique utilizes nine-bit binary counter and holding register of eight flip-flops. These flip-flops form the memory device that allows precise asynchronous conversion of the digital source data. Counter generates a waveform which is passed through a low pass filter to recover data in analog form.
Approximating properties of linear models for input output descriptions
Pade approximations for linear and dynamic programming using Markov processes and new algorithms
Cross-grid display and computer input study Final report, Apr. - Dec. 1969
Feasibility of plasma panels as graphic display devices
Dual-channel circuit conditions/amplifies transducers' inputs and outputs
Circuit includes two data channels and one shared precision power supply installed on a single 11.4 cm square circuit card. The unit is relatively inexpensive, compact, and suitable for most tests where low-noise and high-gain signal processing is required.
Approximate properties of the response of nonlinear dynamic systems to stochastic inputs
Indirect method considers effect of nonlinearity and obtains approximate probability densities of certain characteristics, from these densities various statistical properties are calculated. Direct method determines response moments directly. Neither method is restricted by system motion with regard to whether or not it is stationary.
Multiple input radio receiver Patent
Radio receiver with array of independently steerable antennas for deep space communication
GIG - A FORTRAN 4 geometry input generator program for a finite-element heat- transfer code
FORTRAN computer program for generating geometrical data of heat transfer code
Solid state pulse generator with constant output width, for variable input width, in nanosecond range Patent
Development and characteristics of single or doubl pulse generator which produces constant width pulses in nanosecond region
Passive synchronized spike generator with high input impedance and low output impedance and capacitor power supply Patent
Pulse generator for synchronizing or resetting electronic signals without requiring separate external source
Low input voltage conversion from unconventional primary /RTG'S/ and secondary /battery/ sources
Voltage converter/regulator for primary and secondary power sources in deep space missions
A three dimensional model of thermospheric - 1 - Heat input and eigenfunctions
Three dimensional thermospheric model developed from solar XUV radiation and corpuscular heating during geomagnetic storms of atmospheric system
Analysis of subjective ratings for the XB-70 airplane response to atmospheric turbulence and controlled inputs
Pilot subjective evaluation of XB-70 aircraft response to atmospheric turbulence in comparison with measured accelerations
Safety inputs to development program plans
Safety engineers integration into overall system through basic development programs, involving management, manufacturing, testing and integrated logistic support
A three dimensional model of thermospheric dynamics. I - Heat input and eigenfunctions
Thermospheric dynamics three dimensional model in terms of atmospheric system eigenfunctions, deriving formulas for solar XUV and corpuscular heating during geomagnetic storms
Optimization theory for time-variant missile systems and nonstationary inputs
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Vortex servovalve for fluidic or electrical input
Proportional-pressure control servovalve consisting of fluid amplifier bellows-driven jet-pipe and two vortex valves operating in push-pull, with a pair of bellows for pressure feedback is tolerant to comtaminant particles and meets minimum standby flow requirements for applications such as rocket thruster nozzles.