光谱分辨率 Spectral Resolution HIGH 一-LOW 11
11 光谱分辨率 UESTC-RSIP
ultraviolet shortwave gamma X-rays rays infrared radar FM TV AM rays rays 10~4 102 10一109 10 01031 102 10 、Wavelength(meters) Visible Light 400 500 600 700 Wavelength (nanometers) 2 587 101112 1314 ASTER Spectral Bands Landsat Thematic Mapper Spectral Bands .0 20 10.011.012013.0 Short Wave Infrared Wavelength in micrometers
12 UESTC-RSIP
IKONOS spectral response curve IKONOS Relative Spectral Response 一Pan一Blue一Green一Red一NlR 0.9 08 0 . 0.2 0.1 0 350 450 550 650 750 850 950 1050 Wavelength(nm) 13
13 IKONOS spectral response curve UESTC-RSIP
Sampling Interval RSIP Spectral Resolutlon Wavelength 14
14 UESTC-RSIP
Landsat Multispectral Scanner 100% Maximum intensity G R NIR Near- infrared Spectral Resolution 2 3 band 4 50% FWHM=700-800m =100 nm bandwidth 400500600700 80090010001100 Positive Systems ADAR 5500 B G R NIR 600650700750800850900 Wavelength,nm 2 3 4 b.Precise bandpass measurement of a detector based on Full Width at Half Maximum criteria. 40050060070080090010001100 Wavelength,nm a.Nominal spectral resolution of the Landsat Multispectral Seanner and Positive Systems ADAR 5500 digital frame camera. Blue band (450-515nm) Green band (525-605nm) Red band (640-690nm) ←Near-infrared (750-900nm) i c.Single band of ADAR 5500 data. d.Multispectral remote sensing
15 UESTC-RSIP