BackForwardInstrument:  MVISR 

Instrument details
Acronym MVISR
Full name Multichannel Visible Infrared Scanning Radiometer
Purpose Multi-purpose imagery with emphasis on vegetation
Short description
  • 10 VIS/NIR/SWIR/TIR channels [see detailed characteristics below]
  • Calibration monitoring here
Background

Flown on the FY-1 series
Scanning Technique

Cross-track: 2048 pixel of 800 m s.s.p., swath 2800 km - Along-track: six 1.1-km lines/s
Resolution 1.1 km
Coverage / Cycle Global coverage twice/day (IR) or once/day (VIS)
Mass 55 kg Power 45 W Data Rate 1.23 Mbps

 

Providing Agency CMA
Instrument Maturity Flown on operational programme
Utilization Period: 1988 to 2012
Last update: 2024-09-09
Detailed characteristics
Central wavelength Spectral interval SNR or NEΔT @ specified input
0.455 µm 0.43 - 0.48 µm 3.0 @ 0.5 % albedo
0.505 µm 0.48 - 0.53 µm 3.0 @ 0.5 % albedo
0.555 µm 0.53 - 0.58 µm 3.0 @ 0.5 % albedo
0.630 µm 0.58 - 0.68 µm 3.0 @ 0.5 % albedo
0.865 µm 0.84 - 0.89 µm 3.0 @ 0.5 % albedo
0.932 µm 0.90 - 0.965 µm 3.0 @ 0.5 % albedo
1.610 µm 1.58 - 1.64 µm 3.0 @ 0.5 % albedo
3.750 µm 3.55 - 3.95 µm 0.40 K @ 300 K
10.80 µm 10.3 - 11.3 µm 0.22 K @ 300 K
12.00 µm 11.5 - 12.5 µm 0.22 K @ 300 K
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • Moderate resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • VIS/IR imagery; realisation of a Day/Night band [in SSO]
  • VIS/IR imager [in SSO]
Mission objectives
Primary mission objectives
  • Cloud cover
  • Cloud optical depth
  • Cloud top height
  • Cloud top temperature
  • Cloud type
  • Fraction of Absorbed PAR (FAPAR)
  • Leaf Area Index (LAI)
  • Normalised Difference Vegetation Index (NDVI)
  • Sea surface temperature
  • Sea-ice cover
Evaluation of Measurements