CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- HRDI
-
|
|
Full Name
|
High Resolution Doppler Imager
|
Status
|
No longer operational
|
|
Instrument Agencies
|
NASA
|
Maturity
|
|
|
Instrument Type
|
Atmospheric chemistry 
|
Geometry
|
|
|
Instrument Technology
|
Limb-scanning SW spectrometer
|
Sampling
|
Sounding
|
|
Data Access
|
|
Data Format
|
|
|
|
Measurements and Applications
|
Daytime wind measurements below 50 km from Doppler shifts of molecular oxygen absorption lines. Day and night wind measurements above about 60 km from Doppler shifts of neutral and ionised atomic oxygen emission lines. Also measures temperature.
|
|
|
Resolution Summary
|
|
|
Swath Summary
|
|
|
Accuracy Summary
|
|
|
Waveband Summary
|
|
|
|
| VIS (~0.40 µm - ~0.75 µm) |
| NIR (~0.75 µm - ~1.3 µm) |
|
|
Instrument Measurements
Measurements Overview
|
|
|
|
Instrument Missions
|
|
|