Description
WindRAD is the first active remote sensor on FengYun satellite series.
It's the first all over the world to use dual-band observations that measure the
global sea surface wind field vectors in all weather, at any time, with high
accuracy and high resolution.
Satellite |
FY-3E
|
No. Channels |
4 |
Center frequency |
5.4±0.010 GHz (C band),13.256±0.006 GHz (Ku band) |
Polarization mode |
VV, HH |
Spatial Resolution |
25 × 0.5km (C band), 10 × 0.5km (Ku band) |
Characteristics
Parameter |
C band |
Ku band |
Minimum detectable wind speed |
3 m/s (-26.2 dB) |
3 m/s (-30.8 dB) |
Radiation resolution |
0.5dB (far edge of swath, wind speed ≥ 5 m/s) |
1.0dB (far edge of swath, wind speed = 3 m/s) |
Radiation accuracy |
≤ 0.6dB |
Ambiguity |
2% (far edge of swath), 2% (near edge of swath) |
Data and Products
Satellite |
Instrument |
Datasets |
FY-3E |
WindRAD |
L1 data |
Calibration and Validation
WindRAD calibration and validation