CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- AIUS
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Full Name
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Atmospheric Infrared Ultraspectral
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Status
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Operational
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Instrument Agencies
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CNSA
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Maturity
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Low Heritage
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Instrument Type
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Atmospheric chemistry 
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Geometry
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Instrument Technology
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GNSS radio-occultation receiver
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Sampling
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Data Access
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Data Format
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Measurements and Applications
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Global monitoring of atmospheric greenhouse gasses including CO2, CH4, N2O, O3 via occultation.
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Resolution Summary
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30m x 30m
[Best Resolution: 30m]
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Swath Summary
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FOV trace coverage:+-10degree, Spectrometer FOV: 1.25mrad.
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Accuracy Summary
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Solar trace precision: 0.1mrad, Solar trace stability: 25µrad, Digitalizing bit: 18bits, Bit rate:8.9Mbps. Dynamic range : 800K~ 5800K. SNR >100:1 @ 5800K.
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Waveband Summary
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2.4 µm– 13.3 µm (SWIR - TIR). Spectrum range: 2.4-13.3µm, Spectral resolution: 0.03cm-1, Relative spectral stability: 4100cm-1, 0.003cm-1.
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Instrument Measurements
Measurements Overview
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Instrument Missions
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