RS lecture3.pdf


Aperçu du fichier PDF rs-lecture3.pdf

Page 1...3 4 56714




Aperçu texte


11/19/2012

MSS – Spectral/Radiometric Properties


Spectral sensitivity


Bands: 0.5-0.6m, 0.6-0.7m, 0.7-0.8m, 0.8-1.1m

MSS – Spatial Resolution


2-D image




Voltage (electrical signal) is quantized



Radiometric resolution





Landsat 1-3: 6 bit
Landsat 4-5: 8 bit



2nd dimension –
platform movement

Signal transmitted to Earth, received, processed &
stored

MSS – Spatial Resolution




1st dimension –
oscillating mirror

2nd dimension

1st dimension

70’s

IFOV is 79 meters

Sampling rate of voltage results in spacing of 56 m
b t
between
samples
l

90’s
80’s



Pixel size: 56 x 79 m

5