Atmospheric simulator and calibration system for remote sensing radiometers
James A. Holland, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1983 - Technology & Engineering - 10 pages
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absorption cell absorption gas cell Absorption-cell temperature absorption-cell valve air pollution allowed to stabilize antireflectance coating approximately Atmospheric Simulator baseplate blackbody source temperature blackbody temperature broad range CALIBRATION Reference Indicated cell pressure cell temperature controlled cell walls cell windows clear aperture cm in diameter constant-volume cylinder coolant copper desired total pressure digital thermometer emissivity entrance window exit-window Filter Correlation Channel flange adapter gas filter correlation gas species outlet germanium heat-sink plate Langley Research Center located manifold valve MAPS instrument MAPS measurement measurement of air moisture from condensing monitored mounted NASA nitrogen Performing Organization pollutant concentrations pollution from satellites potentiometer pressure and temperature pressure of pollutant prevent moisture PRT values pump radiation emitted Radiometer Calibration System Reference Indicated temperature selector switch shroud simulating a broad Simulator and Radiometer single-slab atmosphere six thermocouples species outlet valve temperature range 240 thermistor torr uniformity plate vacuum valve is opened varied and data Weighting Function