陆地卫星 英文版.ppt

陆地卫星系列--- Landsat
1
ppt课件
Characteristic
Launched by
Date of launch
Date of termination
Altitude
Sensor
Recurrent period
LANDSAT-1
NASA


915km
RBV/MSS
18 days
LANDSAT-2
NASA


915km
RBV/MSS
18 days
LANDSAT-3
NASA


915km
RBV/MSS
18 days
LANDSAT-4
NASA


705km
MSS/TM
16 days
LANDSAT-5
NASA

Operating*1
705km
MSS/TM
16 days
LANDSAT-6
NASA


-
ETM
16 days
LANDSAT-7
NASA

Operating*2
705km
ETM+
16 days
*1 : The data reception by NASDA was finished to Jun 30, 2001.*2 : The data reception by NASDA was finished to Nov 30, 2002. \
2
ppt课件
Overview
LANDSAT-1 is the world first earth observation satellite launched by the United States in 1972 and a memorable satellite which has been recognized in availability being capable of observing the earth far from space. Its excellent observation ability brought about the importance of state-of-the-art remote sensing. Following LANDSAT-1, LANDSAT-2, 3, 4, 5 and 7 were launched, and currently LANDSAT-7 is operated as a main satellite.
LANDSAT-5 is equipped with Multispectral Scanner (MSS) and Thematic Mapper (TM). MSS is an optical sensor to observe the reflected solar radiation from the earth surface in four different spectral bands by a combination of the optical system and the sensor. TM is a more advanced version of observation equipment than MSS, which observes the earth's surface in 7 spectral bands ranging from visible to thermal infrared regions.
LANDSAT-7 is equipped with Enhanced Thematic Mapper Plus (ETM+), the successor of TM. The observation bands are basically same seven bands as TM and the newly added band 8 with a 15m of high resolution.
3
ppt课件
Wavelength
Visible : 2bands Near-infrared : 2bands
Spatial Resolution
83m
Swath Width
185km
4
ppt课件
Wavelength
Visible : 3bands Near-infrared and Mid