GAOFEN-3 products are processed to a Level-1D with the two steps below:
with \( QualifyValue \) and \( CalibrationConst \) values found in the product metadata
The input is an ingested GAOFEN-3, see details here.
The output is a STAC item geojson ... including the assets ...
Chang, Y.; Li, P.; Yang, J.; Zhao, J.; Zhao, L.; Shi, L. (2018), “Polarimetric Calibration and Quality Assessment of the GF-3 Satellite Images”, Sensors 2018, 18, 403. DOI: https://doi.org/10.3390/s18020403
i, X.-M.; Zhang, T.; Huang, B.; Jia, T. (2018), “Capabilities of Chinese Gaofen-3 Synthetic Aperture Radar in Selected Topics for Coastal and Ocean Observations”, Remote Sens. 2018, 10, 1929. DOI: https://doi.org/10.3390/rs10121929