BackForwardInstrument:  MTVZA-OK (optical) 

Instrument details
Acronym MTVZA-OK (optical)
Full name Combined Microwave-Optical Imaging/Sounding Radiometer (optical component)
Purpose Cloud, aerosol and vegetation observation
Short description 5-channel VIS/NIR/MWIR radiometer [see detailed characteristics below]
Background Part of a combined MW imaging radiometer and VIS/IR imager
Scanning Technique Conical, 55.4° viewing angle, 21 scan/min (19 km/scan), parallel lines by using linear array detectors; swath 2000 km
Resolution 1.1 km
Coverage / Cycle Nearly-global each day
Mass Power Data Rate

 

Providing Agency NSAU
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2005 to 2006
Last update: 2017-03-27
Detailed characteristics

Central wavelength

Spectral interval

SNR or NEΔT @ specified input

0.41 µm

0.37-0.45 µm

8.1 @ 0.5 % albedo

0.51 µm

0.45-0.51 µm

8.1 @ 0.5 % albedo

0.63 µm

0.58-0.68 µm

8.1 @ 0.5 % albedo

0.73 µm

0.68-0.78 µm

8.1 @ 0.5 % albedo

3.74 µm

3.55-3.93 µm

0.2 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 type
Evaluation of Measurements