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.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Application of spectral identification adaptive control system to large launch vehicle in complete closed loop trajectory simulation
Open-loop pulsed transfer functions of simplified thrust vector control system for Saturn-type vehicle with unsampled input derived by several methods
Classification schema for finite-state adaptive control and learning systems
Field intensity patterns and comparison of beam widths and directivites of Mills cross and two- directional matrix antenna arrays using crossed- slot antennas
Real time data extrapolation of lost radio signal data in spacecraft tracking system
Solid to liquid phase transformation analyses of igneous rocks
Operation and maintenance manual for test device for simulation of Apollo mission docking maneuvers
Analysis of sampled data digital compensated thrust vector control system
Quantitative effects of abrupt deceleration on pulmonary diffusion in man
Magnetization experiments in superimposed dc and audiofrequency ac magnetic fields on cold worked NbTi alloy samples - ac field induced flux jumps
Determination of stability margins in channels of multiloop sampled data system, especially attitude channel of thrust vector control system
Phase delay evaluation in crystal mixer
System for measuring phase stability of very low frequency signal propagated over short distances
Low frequency modulator design using single varactor diode as switching element
Comparison of balanced and single-ended mixers in presence of local oscillator noise
Degradation of input signal to noise ratio in crystal diode mixer
High temperature, oxide-dispersion hardened alloy uses in turbojet engines, reentry vehicles, and other applications
Passive instrumentation and stimuli generation for Saturn IB equipment checkout - laboratory data