Statistics – Applications
Scientific paper
Jul 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977josa...67..917c&link_type=abstract
(Optical Society of America, International Conference and Winter School on Submillimeter Waves and Their Applications, 2nd, San
Statistics
Applications
6
Airborne Equipment, Atmospheric Radiation, Far Infrared Radiation, Interferometers, Airborne/Spaceborne Computers, Cv-990 Aircraft, Emission Spectra, Resolution, Signal To Noise Ratios
Scientific paper
Instrument problems and technical results are discussed for an experiment in which an absolute spectrometric radiometer was flown aboard a NASA aircraft at altitudes of 33,000 to 41,000 ft to measure atmospheric emission in the spectral range from 5 to 40 kaysers with a resolution of about 0.03 kayser apodized. The instrument used was actually a polarizing interferometer, and the atmosphere was observed at fixed zenith angles constant to within plus or minus 0.1 deg. The only problem noted was the spoilage of some interferograms by spikes due to electrical interference from the aircraft radio transmission system. A spectrum of the atmospheric-emission brightness temperature obtained with real-time calibration is examined, and the spectral resolution, S/N ratio, and total instrument efficiency are evaluated. The experimental S/N ratio is estimated to be between 40 and 100.
Carli Bruno
Harries John E.
Martin Donald H.
Puplett E. F.
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