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  • 1
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    Carbon monoxide mixing ratio inference from gas filter radiometer data (1983)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: A new algorithm has been developed which permits, for the first time, real time data reduction of nadir measurements taken with a gas filter correlation radiometer to determine tropospheric carbon monoxide concentrations. The algorithm significantly reduces the complexity of the equations to be solved while providing accuracy comparable to line-by-line calculations. The method is based on a regression analysis technique using a truncated power series representation of the primary instrument output signals to infer directly a weighted average of trace gas concentration. The results produced by a microcomputer-based implementation of this technique are compared with those produced by the more rigorous line-by-line methods. This algorithm has been used in the reduction of Measurement of Air Pollution from Satellites, Shuttle, and aircraft data.
    Keywords: GEOPHYSICS
    Type: Applied Optics; 22; Mar. 1
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Development of data processing interpretation and analysis system for the remote sensing of trace atmospheric gas species (1982)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Problems associated with the development of the measurement of air pollution from satellites (MAPS) experiment program are addressed. The primary thrust of this research was the utilization of the MAPS experiment data in three application areas: low altitude aircraft flights (one to six km); mid altitude aircraft flights (eight to 12 km); and orbiting space platforms. Extensive research work in four major areas of data management was the framework for implementation of the MAPS experiment technique. These areas are: (1) data acquisition; (2) data processing, analysis and interpretation algorithms; (3) data display techniques; and (4) information production.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-CR-168962 , NAS 1.26:168962 , GSTR-82-6
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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