Measurements and Applications
Environment Monitoring Instrument
Full Name
Environment Monitoring Instrument
Status
Operational
Instrument Agencies
CNSA
Maturity
Low Heritage
Instrument Type
Imaging multi-spectral radiometers (vis/IR) 
Geometry
Push-broom scanning
Instrument Technology
Multi-purpose imaging Vis/IR radiometer
Sampling
Imaging
Resolution
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)
Swath
FOV: 114 degree(cross track). < 48km (perpendicular to track) × 13km (along track).
[Max Swath: 48 km]
Accuracy
Radiometric calibration accuracy: absolute accuracy=5%, relative accuracy=3%, Spectral calibration accuracy>0.05nm. Dynamic range : 10^6.
Waveband
Spectral range: 240-710nm (470nm), Spectral resolution: 0.3-0.5nm