GHI-2 Instrument

Measurements and Applications

The primary objective of the Geosynchronous High-speed Imager (GHI) is to achieve imaging capabilities over a 750×750 km² area from geostationary orbit, with higher spatial resolution and a temporal resolution of less than 1 minute.

Instrument Summary

Full Name
Geostationary High-speed Imager-2
Status
Being developed
Instrument Agencies
NSMC-CMA, CNSA
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR)
Geometry
Earth disk scanning
Instrument Technology
Multi-purpose imaging Vis/IR radiometer
Sampling
Imaging
Data Access
No Access
Data Format
L-1 data: HDF 5.0

Performance Summary

Resolution
250m\500m\2000m
[Best Resolution: 250m]
Swath
Scans the Earth in a "step-stare" mode.
Accuracy
IR:0.7k, VIS/NIR :5%
Waveband
0.4-1.0μm, 0.5-1.0μm, 0.45-0.9μm, 3-5.5μm
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)

Instrument Missions

FY-4E - FY-4E Geostationary Meteorological Satellite (2028 - 2036)

Instrument Measurements