Ionospheric effect of X-rays from Scorpius XR-1
X rays from Sco XR-1 compared with galactic cosmic rays and solar Lyman alpha radiation to determine ionospheric ionization causing radio wave attenuation
Poppoff, I. G.↗
SEARCH · Engineering Papers
Results for “attenuator”
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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Coherent resonance fluorescence excited by short light pulses
Fluorescence produced by resonant coherent light pulse passing through medium assuming infinite relaxation times and negligible pulse attenuation
Burnham, D. C.↗
Microwave radiometric instrumentation for remote sensing applications
Terrestrial surface radiometric imaging by sensing thermal radiation at centimeter wavelengths to reduce atmospheric scattering attenuation
Pascalar, H. G.↗
Amplitude variations of 15-GHz radio waves transmitted through clear air and through rain
Point to point and radar return attenuation measurements at SHF through clear air and rain
Bailey, C. R.↗
Antenna design for general aviation weather radar
Antenna design for single engine light general aviation aircraft weather radar, reviewing attenuation and terrain return problems
Kirkpatrick, G. M.↗
Comparison of theoretical and flight-measured ionization in a blunt body reentry flow field
Plasma diagnostic data from onboard Langmuir probes, reflectometers, antenna VSWR and beacon and telemetry attenuation for blunt body reentry flow field
Evans, J. S.↗
Scattering of low velocity neutral particles - The Cs-He, Cs-Kr, and Cs-Xe interactions
Cesium beam velocity attenuation by He, Kr and Xe, determining scattering cross sections from gas pressure and density measurements
Colgate, S. O.↗
Millimeter wave propagation measurements from the Applications Technology Satellite /ATS-V/
Millimeter wave propagation measurements by ATS-5 satellite, observing attenuation dependence on meteorological parameters for communication data link performance prediction
Ippolito, L. J.↗
Ground and flight test results of a decelerator towline energy absorber
Parachute decelerator towline energy absorber shock attenuation characteristics, discussing drop test results
Councill, E. L., Jr.↗
Land impact of the Apollo command module
Apollo command module land impact capability, discussing impact dynamics, possible landing area, spacecraft structure, crew couch and strut attenuation system, etc
Benson, H. E.↗
Accurate, wide range ultrahigh-vacuum calibration system
Ultrahigh vacuum calibration system for vacuum gages and mass spectrometers based on pressure attenuation and molecular beam techniques
Brock, F. J.↗
Ionization equilibrium of carbon in interstellar clouds
Carbon ionization equilibrium in dense interstellar clouds, discussing grains and neutral atoms attenuation effects
Werner, M. W.↗
Millimeter radiometers probe the sun
Mm wavelength radiometer for recording solar activity and radiation attenuation in atmosphere as function of time
Brown, W. E., III↗
Error study for SS-1090 ATM sensor system Final report
Error study for SS-1090 ATM sensor system, effects of atmospheric refraction, atmospheric attenuation, and earth albedo
Rose, C. E.↗
Comparison of theoretical and experimental electron density for RAM C flights
Electron density and signal attenuation data from RAM C hypersonic reentries and theoretical calculations
Evans, J. S.↗
Analysis of VHF and X-band telemetry systems degradation by reentry environment
VHF and X band telemetry attenuation by plasma sheath around hypersonic reentry vehicles
Golden, K. E.↗
Survey of the RANT plasma and breakdown models
Mathematical models predicting reentry plasma effects on admittance, attenuation, isolation, and breakdown characteristics of antenna systems
Fante, R. L.↗
Three investigations of the interstellar medium
Attenuation of X rays in intersteller and intergalactic space and physical state of hydrogen cloud
Schocken, K.↗