Microwave Limb Sounder THz module on Aura

The objective of the Microwave Limb Sounder THz module on the Aura satellite is to measure stratospheric and mesospheric OH. This paper describes the optical design, alignment, calibration, and performance of the THz module. The calibration uncertainty for one limb scan is substantially less than th...

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Bibliographic Details
Published in:IEEE transactions on geoscience and remote sensing 2006-05, Vol.44 (5), p.1122-1130
Main Author: Pickett, H.M.
Format: Article
Language:English
Subjects:
Beams (radiation)
Calibration
Frequency
Instruments
Limbs
Mesosphere
Microwave measurements
Microwaves
Mirrors
Modules
Multilevel systems
Optical design
Optical feedback
Polarization
Satellite broadcasting
Satellites
stratosphere
THz
Uncertainty
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Summary:The objective of the Microwave Limb Sounder THz module on the Aura satellite is to measure stratospheric and mesospheric OH. This paper describes the optical design, alignment, calibration, and performance of the THz module. The calibration uncertainty for one limb scan is substantially less than the precision due to radiometric noise. For averages of many scans, the dominant calibration uncertainty of 2% is due to uncertainty in beam efficiency.
ISSN:0196-2892
1558-0644
DOI:10.1109/TGRS.2005.862667