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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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At least 613 records · Page 34

All sources NASA NTRS DOE OSTI

NASA NTRS1969

State-space structure of model-reference adaptive control for a noisy system.

State space structure of model reference adaptive control and parameter tracking systems subject to noise

Currie, M. G.↗

NASA NTRS1969

An optimum phase reference detector for fully modulated phase-shift keyed signals.

Optimum phase reference detector obtained at low SNR with Costas loop for fully modulated PSK signals

Riter, S.↗

NASA NTRS1970

Ultrastable reference pulser for high-resolution spectrometers

Solid-state double-pulse generator for a high resolution semiconductor detector meets specific requirements for resolution /0.05 percent/, amplitude range /0.1-13 MeV/, and repetition rate /0.1-1000 pulses per second/. A tag pulse is generated in coincidence with each reference pulse.

Brenner, R.↗

NASA NTRS1969

ALGEBRA 1, User's Reference Manual

Users reference manual for ALGEBRA 1 language

Source record↗

NASA NTRS1969

Realistic error bounds for a reduced-state model-reference controller

Realistic error bounds for reduced-state model-reference controller

Taylor, T. M.↗

NASA NTRS1970

Density deviations from the US Standard Atmosphere 1962 and the Patrick Reference Atmosphere 1963

Comparison of U.S. standard and Patrick reference atmospheric density data

Mello, S.↗

NASA NTRS1969

The data reduction laboratory reference manual

Data Reduction Laboratory reference manual

Keipert, F. A.↗

NASA NTRS1965

Investigation of the visual reference requirements for pilot control of gliding parachutes for land landing of spacecraft

Test program for determining visual reference requirements for pilot control of gliding parachutes used in landing spacecraft on land

Burkett, J. E.↗

NASA NTRS1970

Attitude control of a spacecraft with a strapdown inertial reference system and onboard computer

Spacecraft attitude control with strapdown inertial reference system and onboard digital computer

Hrastar, J.↗

NASA NTRS1969

Parameter adjustment in state-space structure of model-reference adaptive control for a stochastic system

Gain determination from dynamic /on line/ solutions to Riccati equation for model reference adaptive control applicable to multiple input/ output or stochastic systems

Currie, M. G.↗

NASA NTRS1970

A listing of references for thermal radiation configuration factors

Thermal radiation configuration factors tables giving reference sources, discussing historical development of factors

Howell, J. R.↗

NASA NTRS1970

International geomagnetic reference field 1965.0 in dipole coordinates

Computer program transforming spherical harmonic coefficients into arbitrarily tilted coordinate systems, tabulating coefficients of International Geomagnetic Reference Field 1965 in dipole coordinate system

Mead, G. D.↗

NASA NTRS1971

Automatic reference level control for an antenna pattern recording system

Automatic gain control system keeps recorder reference levels within 0.2 decibels during operation. System reduces recorder drift during antenna radiation distribution determinations over an eight hour period.

Lipin, R., Jr.↗

NASA NTRS1971

Precision calibration and reference voltage source for data acquisition systems

Hybrid integrated circuit operational amplifiers, which have inherent characteristics of low quiescent power dissipation and extended operational lifetime with high reliability, are source for digital systems. Amplifiers are coupled to Zener reference diode in current control and buffer configuration.

Source record↗

NASA NTRS1970