2019 年国产陆地观测卫星外场绝对辐射定标系数
传感器
Pan
B1
B2
B3
B4
Gain
Bias
Gain
Bias
Gain
Bias
Gain
Bias
Gain
Bias
GF-2/PMS1
0.1855
0
0.1453
0
0.1826
0
0.1727
0
0.1908
0
GF-2/PMS2
0.1980
0
0.1750
0
0.1902
0
0.1770
0
0.1968
0
GF-4/PMS 2,6,4,6,6
0.5395
0
1.0028
0
1.0418
0
0.8017
0
0.5655
0
GF-4/PMS 4,16,12,16,16
0.3327
0
0.3803
0
0.3863
0
0.3299
0
0.2343
0
GF-4/PMS 6,20,16,20,20
0.1752
0
0.3531
0
0.2750
0
0.2946
0
0.2038
0
GF-4/PMS 6,40,30,40,40
0.1735
0
0.1375
0
0.1308
0
0.1171
0
0.0818
0
GF-4/PMS 8,30,20,30,30
0.1288
0
0.1887
0
0.2030
0
0.1569
0
0.1084
0
CB04-Pan
/
/
0.5453
0
0.9615
0
0.6474
0
0.3970
0
CB04-WFI
/
/
0.1373
0
0.1612
0
0.1265
0
0.1088
0
HJ1A/CCD1
/
/
0.6488
7.325
0.6318
6.0737
1.005
3.6132
0.9983
1.9028
HJ1A/CCD2
/
/
0.8463
4.6344
0.7582
4.0982
1.2170
3.7360
1.3108
0.7385
HJ1B/CCD1
/
/
0.5461
3.0089
0.5545
4.4487
0.8875
3.2144
1.0219
2.5609
HJ1B/CCD2
/
/
0.9084
2.2219
0.8669
4.0683
1.2755
5.2537
1.3470
6.3497
GF-6/PMS
0.0534
0
0.0847
0
0.0653
0
0.0491
0
0.0289
0
GF-6/WFV(B1-B4)
/
/
0.0705
0
0.0567
0
0.0516
0
0.0322
0
GF-6/WFV(B5-B8)
/
/
0.0532
0
0.0453
0
0.0786
0
0.0585
0
ZY-1 02C /PMS
0.6513
0
0.7187
0
0.6891
0
0.6481
0
/
0
GF-1B/PMS
0.0399
0
0.0292
0
0.0362
0
0.0400
0
0.0354
0
GF-1C/PMS
0.0417
0
0.0290
0
0.0382
0
0.0421
0
0.0364
0
GF-1D/PMS
0.0431
0
0.0284
0
0.0373
0
0.0435
0
0.0371
0
GF1/PMS1
0.1381
0
0.1490
0
0.1328
0
0.1311
0
0.1217
0
GF1/WFV1
/
/
0.2144
0
0.1647
0
0.1228
0
0.1213
0
GF1/WFV2
/
/
0.2368
0
0.1745
0
0.1254
0
0.1163
0
GF1/WFV3
/
/
0.2139
0
0.1797
0
0.1344
0
0.1337
0
GF1/WFV4
/
/
0.2442
0
0.1945
0
0.1547
0
0.1037
0
注:
1、关于计算公式 Le = Gain*DN + Bais,试中 Le 为卫星载荷通道入瞳处等效辐
射亮度,单位为𝑊 ⋅ 𝑚
−2
⋅ 𝑠𝑟
−1
⋅ 𝜇𝑚
−1
,Gain 和 Bias 分别为定标系数增益、偏移
量,单位均为𝑊 ⋅ 𝑚
−2
⋅ 𝑠𝑟
−1
⋅ 𝜇𝑚
−1
。