Landsat – 被遗忘的卫星
陈继藩
国中央大学 太空及遥测研究中心
Landsat
Landsat
Landsat 1 MSS Landsat 2 MSS Landsat 3 MSS Landsat 4 TM Landsat 5 TM Landsat 6 ETM Landsat 7 ETM+
发射日期
July 23, 1972 January 22, 1975 March 5, 1978 July 16, 1982 March 1, 1984 October 5, 1993 (失效) April 15, 1999
Landsat 1-5
Satellite
Landsat 1-5
Spectral Range (μm)
Resolution (m)
Repeat (day)
Coverage (km2)
Height (km)
Multispectral
(MSS)
1.G 0.50-0.60 2.R 0.60-0.70 3.NIR 0.70-0. 80 4.NIR 0.80-1.10 1.B 0.42-0.52 2.G 0.52-0.60 3.R 0.63-0.69 4.NIR 0.75-0.90 5.NIR 1.55-1.75 7.MIR 2.08-2.35 6.Thermal IR 10.40-12.50
80 80 80 80 30 30 30 30 30 30 120
16
185×185
705
Multispectral
(TM)
Landsat 7 ETM+
Satellite Landsat 7 Spectral Range (μm) Resolution (m) Repeat (day) Coverage (km2) Height (km)
Multispectral
(ETM+)
1.B 0.45-0.52 2.G 0.52-0.60 3.R 0.63-0.69 4.NIR 0.76-0.90 5.NIR 1.55-1.75 7.MIR 2.09-2.35 6.Thermal IR 10.40-12.50 0.52-0.90
30 30 30 30 30 30 60
16
185×185
705
Panchro Pan -matic
15
Landsat 7
Scan Line Corrector (SLC) SLC On: Landsat 7用补偿卫星前移动作 所引起的资位移 SLC Off: May 31, 2003 SLC 坏掉
gap
SLC OFF image
Landsat 影像价格

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