Passive communication satellite Patent
Erectable, inflatable, radio signal reflecting passive communication satellite
Gillespie, W., Jr.↗
SEARCH · Engineering Papers
Results for “passive”
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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Method and apparatus for determining electromagnetic characteristics of large surface area passive reflectors Patent
Apparatus for measuring backscatter and transmission characteristics of sample segment of large spherical passive satellites
Kampinsky, A.↗
Passive microwave sensing of the earth's environment - A bibliography with abstracts
Bibliography of articles on passive microwave radiometry, sensors, and attenuation
Richerson, J. A.↗
Degradation by the atmosphere of passive microwave observations from space in the frequency range 0.5 to 20 GHz
Passive microwave observation from space of sea surface degraded by atmosphere
Gaut, N. E.↗
Remote sensing of winds and atmospheric turbulence by cross-correlation of passive optical signals
Remote sensing of winds and atmospheric turbulence by cross correlation of passive optical signals, discussing results for power spectrum of fluctuations and winds
Montgomery, A. J.↗
Design of the passive thermal control system of the SERT II satellite
Passive thermal control system design of SERT II nonspinning satellite based on 534-node analytical model calibrated against test data
Smolak, G. R.↗
Design of the passive thermal control system of the SERT II satellite
Mercury bombardment ion thrustor life test in space environment onboard space electric rocket test /SERT/ satellite, describing passive satellite thermal control system design
Smolak, G. R.↗
Remote probing of wind and turbulence through cross-correlation of passive signals
Remote monitoring of atmospheric wind and turbulence by cross correlation passive techniques, measuring heat and humidity fluxes
Abshire, N. L.↗
Algebraic criterion for absolute stability, optimality, and passivity of dynamic systems
Dynamic systems absolute stability, optimality and passivity algebraic criterion in terms of real even polynomial coefficients
Siljak, D.↗
Passive optical detection of meteorological parameters in launch vehicle environments
Passive optical crossed beam detection systems monitoring meteorological parameters in rocket or aircraft environments, noting real time display
Klugman, E. H.↗
Criteria for passive propellant control schemes
Hydrostatic stability and damping characteristics of perforated plates and screens for passive propellant control schemes from drop tower tests
Barksdale, T. R.↗
Passive gravity gradient libration dampers
Book on passive gravity gradient libration dampers covering design, flight experience, evaluation criteria, performance monitoring, failure prevention, etc
Herzl, G. G.↗
Thermal Heliotrope - A passive sun-tracker
Passive sun trackers using solar energy activated bimetal helix thermal heliotrope
Byxbee, R. C.↗
Passive microwave sensors
Passive microwave sensors based on brightness temperature vs frequency model for various atmospheric conditions, presenting vegetation pictures
Hovis, W.↗
Passive microwave spectrum measurements of atmospheric water vapor and clouds
Cloud structure, atmospheric water vapor and liquid water contents from passive ground based microwave spectrum measurements
Staelin, D. H.↗
Apollo 11 passive seismic experiment
Apollo 11 passive seismic experiment package, discussing design, performance and various received signals
Dorman, J.↗
Algebraic criterion for absolute stability, optimality and passivity of dynamic systems
Necessary and sufficient conditions on coefficients of real nonnegative polynomial pi/omega/, obtaining algebraic criterion for stability, optimality and passivity of dynamic linear systems
Siljak, D. D.↗
Passive microwave observations over the oceans
Predicted brightness temperatures and theoretical models of ocean surface and atmosphere with passive microwave observations over oceans
Martin, L. U.↗