and for 
ap to 5 
h as the 
] carto- 
s carry- 
te 140), 
by the 
is plani- 
m pixel 
  
Figure TP? 
hrs e SHOWS, Sat remote sensing is a system to obtain object information by indirect 
T aC genes y ; lizing natural energy radiation and consisting of system components such 
: platform for data acquisition, data processing and analysis to obtain the object infor- 
" mation. 
FIGURE 4: SENSORS 
Fig. 4 
  
2.] SENSORS 
  
  
  
SPECTRAL SPATIAL RANDOM 
RESOL. RESOL. RES. 
  
  
  
nm mrad bit 
(1) OPTICAL 1 PHOTOGRAPHIC CAMERA 
— BLACK & WHITE À =400 - 700 nm) 
— COLOR 3(A = 100nm);5 0,02 6 
mrad bit 
— MULTISPECTRAL & 220nm ; J LFC 
2. SCANNER (MULTISPECTRAL) | 4-z20nm ; 0,04 8 
—— mrad bit 
; .  LANDSAT TM 
3. CCD-ARRAY - A= 100nm ; 0,01 8 
n mrad bit 
enm : SPOT 
(2) NEAR INFRARED — 1. CAMERAS 
—IR FILMS SEE 1) 
— FALSE COLOR IR FILM 
2. SCANNER 
3. CCD- ARRAY UNDER DEVELOPMT FOR 1-2 ym 
(3) THERMAL INFRARED 
2. SCANNER As8-14um ; 0,16 8 
€—À— mrad bit 
LANDSAT TM 
(4) MICROWAVE 
4. ACTIVE RADAR pulse: 
— L BAND - BRUTE À =30 cm) 3m a 
— C BAND FORCE Asgom LO COT 6 
—X BAND -COHERENT A=3cm | 25m bit 
satellite 
SEASAT, SIR 
|: Figure 4 summarises the existing sensor types in the optical, near infrared, thermal and 
microwave ranges of the electroma gnetic spectrum with their achievable resolutions 
38 
  
  
FORSTER FERNER I MN NUT E E m DR MG