CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- EMI
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Full Name
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Environment Monitoring Instrument
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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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Imaging multi-spectral radiometers (vis/IR) 
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Geometry
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Push-broom scanning
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Instrument Technology
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Multi-purpose imaging Vis/IR radiometer
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Sampling
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Imaging
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Data Access
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Data Format
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Measurements and Applications
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Environment Monitoring Instrument
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Resolution Summary
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Spatial resolution: >48km (perpendicular to track) * 13km (along track), SNR: >200@UV, >312nm (Radiance=1.27µW/cm2·sr-1·nm-1), >2000@VIS(Radiance=10.89µW/cm2·sr-1·nm-1)
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Swath Summary
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FOV: 114 degree(cross track). < 48km (perpendicular to track) × 13km (along track).
[Max Swath: 48 km]
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Accuracy Summary
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Radiometric calibration accuracy: absolute accuracy=5%, relative accuracy=3%, Spectral calibration accuracy>0.05nm. Dynamic range : 10^6.
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Waveband Summary
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Spectral range: 240-710nm (470nm), Spectral resolution: 0.3-0.5nm
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Instrument Measurements
Measurements Overview
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Instrument Missions
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