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USER'S GUIDE

7. Data Quality Information

7.1. Required Quality

Table 7-1 summarizes the required and the estimated values of radiometric and geometric accuracies in the preflight phase


Table 7-1 Summary of accuracy

Item Requirement Estimation
Absolute radiometric accuracy(1s)
(VNIR & SWIR)
4 %
Preflight
2.0 % (VNIR)
2.9 % (SWIR)
On-board
2.4 % (VNIR)
2.5 % (SWIR)
Total
4.0 % (VNIR)
3.9 % (SWIR)
Absolute temperature
accuracy(1s) (TIR)
3 K (200 - 240 K)
2 K (240 - 270 K)
1 K (270 - 340 K)
2 K (340 - 370 K)
Total
Target
temperature
200K 300K 370K
Band 10 2.4K 0.3K 0.8K
Band 11 1.5K 0.3K 0.5K
Band 12 1.5K 0.3K 0.5K
Band 13 0.4K 0.3K 0.1K
Band 14 0.3K 0.3K 0.1K
Geolocation accuracy (3s)
(nadir direction)
431 m (AT)
437 m (CT)
47 m (AT)
54 m (CT)
Geolocation accuracy (3s)
(intra-telescope)
0.2 pixels < 0.2 pixels (VNIR, TIR)
about 0.3 pixels (SWIR)
Band-to-band registration
between reference bands (3s)
(inter-telescope)
0.3 pixels of
coarser band
VNIR-SWIR
0.051 SWIR pixels (AT)
0.054 SWIR pixels (CT)
@
VNIR-TIR
0.044 TIR pixels (AT)
0.050 TIR pixels (CT)
Note AT: along-track direction, CT: cross-track direction




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