Atmospheric wind measurements with the high-resolution Doppler imager

Atmospheric wind measurements with the high-resolution Doppler imager

The high-resolution Doppler imager (HRDI) on the Upper Atmosphere Research Satellite is a remote sensing instrument used to observe winds in the Earth's stratosphere, mesosphere, and lower thermosphere. Winds are measured by determining the Doppler shift of emission (mesosphere and lower thermo...

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Veröffentlicht in:Journal of spacecraft and rockets 1995-01, Vol.32 (1), p.169-176
Hauptverfasser: Grassl, Heinz J, Skinner, Wilbert R, Hays, Paul B, Gell, David A, Burrage, Mark D, Ortland, David A, Marshall, Alan R, Abreu, Vincent J
Format: Artikel
Sprache:eng
Schlagworte:
Image resolution
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Zusammenfassung:The high-resolution Doppler imager (HRDI) on the Upper Atmosphere Research Satellite is a remote sensing instrument used to observe winds in the Earth's stratosphere, mesosphere, and lower thermosphere. Winds are measured by determining the Doppler shift of emission (mesosphere and lower thermosphere) and absorption (stratosphere) lines of the O2 atmospheric band. The HRDI is a triple-etalon Fabry-Perot interferometer with a resolution of about 0.05/cm and very good white-light rejection. Careful design and calibration has limited systematic errors in the wind determination to less than 5 m/s. (Author)
ISSN:0022-4650
1533-6794
DOI:10.2514/3.26590