Wind Radar (WindRAD)

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

WindRAD WindRAD