CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- MIRAS (SMOS)
-
|
|
Full Name
|
Microwave Imaging Radiometer using Aperture Synthesis (MIRAS)
|
Status
|
Operational
|
|
Instrument Agencies
|
ESA
|
Maturity
|
|
|
Instrument Type
|
Imaging multi-spectral radiometers (passive microwave)  and Multiple direction/polarisation radiometers
|
Geometry
|
|
|
Instrument Technology
|
Multi-purpose imaging MW radiometer
|
Sampling
|
Imaging
|
|
Data Access
|
Open Access
|
Data Format
|
|
|
|
Measurements and Applications
|
Objective is to demonstrate observations of sea surface salinity and soil moisture in support of climate, meteorology, hydrology, and oceanography applications.
|
|
|
Resolution Summary
|
33 - 50 km depending on the position in the swath - resampled to 15 km grid
|
|
Swath Summary
|
Hexagon shape, nominal width 1050 km allowing a 3 day revisit time at the equator
|
|
Accuracy Summary
|
2.6 K absolute accuracy, RMS 1.6-4 K depending on the scene and the position within the swath
|
|
Waveband Summary
|
L-Band 1.41 GHz
|
|
|
| MW (~0.1 cm - ~100 cm) |
| L-Band (2 - 1 GHz) |
|
|
Instrument Measurements
Measurements Overview
|
|
|
|
Instrument Missions
|
|