Introduction After 40 years of development,China’s satellite meteorological service has made remarkable achievements.Fengyun satellites have realized the transformation from trial operation to full operational service and achieved a coordinated space-based earth observation system with polar and geostationary meteorological satellites..Meantime,the space Introduction After 40 years of development, China’s satellite meteorological service has made remarkable achievements. Fengyun satellites have realized the transformation from trial operation to full operational service and achieved a coordinated space-based earth observation system with polar and geostationary meteorological satellites. Meantime, the space