Description
Succeeding the channel settings of MWRI-I,
MWRI-II has enhanced observation abilities with additional channels and improvements in
calibration accuracy, observation sensitivity, positioning accuracy and operational lifetime.
| Satellite |
FY-3F , FY-3H
|
| No. Channels |
22 |
| Dynamic range |
3～340K |
| Main-beam efficiency |
≥95% |
| Channel registration |
≤2km (0.5km expected) |
| Swath width |
≥1400km |
| Scan cycle |
three modes: 1.7s, 1.8s, 2.0s |
| Scan error |
1ms (continuous in 30 minutes) |
Characteristics
| Center frequency (GHz) |
Polarization |
Bandwidth (MHz) |
Frequency stability (MHz) |
Sensitivity (K) |
Minimum/expected accuracy (K) |
| 10.65 |
V，H |
180 |
10 |
0.5 |
0.8 / 0.8 |
| 18.7 |
V，H |
200 |
10 |
0.5 |
0.8 / 0.8 |
| 23.8 |
V，H |
400 |
15 |
0.5 |
0.8 / 0.8 |
| 36.5 |
V，H |
900 |
20 |
0.5 |
0.8 / 0.8 |
| 50.30 |
V，H |
400 |
25 |
0.5 |
0.8 / 0.8 |
| 52.61 |
V，H |
400 |
25 |
0.5 |
0.8 / 0.8 |
| 53.24 |
V，H |
400 |
25 |
0.5 |
0.8 / 0.8 |
| 53.75 |
V，H |
400 |
25 |
0.5 |
0.8 / 0.8 |
| 89.0 |
V，H |
3000 |
25 |
0.5 |
0.9 / 0.8 |
| 118.7503±3.2 |
V |
2×500 |
25 |
0.8 |
1.2 / 0.8 |
| 118.7503±2.1 |
V |
2×400 |
25 |
0.8 |
1.2 / 0.8 |
| 118.7503±1.4 |
V |
2×400 |
25 |
0.8 |
1.2 / 0.8 |
| 118.7503±1.2 |
V |
2×400 |
25 |
0.8 |
1.2 / 0.8 |
Data and Products
Calibration and Validation
MWRI-II calibration and validation
FY-3F MWRI-II SRF (ZIP)
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