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Table 1 Parameters of the HJ-1A IFIS, HYPERION, and CHRIS

From: Optimized maximum noise fraction for dimensionality reduction of Chinese HJ-1A hyperspectral data

Sensor IFIS/HJ-1A HYPERION CHRIS
Platform attitude (km) 649 705 695
Spectral range (nm)s 450–950 356–2577 400–1019
Average spectral resolution (nm) 5 10 6/33
Time period (days) 4 16 7
Spatial resolution (m) 100 30 17/34
Swath (km) 60 13 7.75
Band number 115 242 18/62