00 
E 
Table 2 Comparison between mechanical scanner and electronic 
self-scanning radiometer 
  
Electronic self 
  
  
  
  
  
  
  
  
  
item mechanical scanner Shrine vadiometer 
sensor PT and SiPD CCD or PD array 
number of Eo Tubs 
Sensor < 7 
element 
calibration easu difficult 
resolution a hig h 
power 
V ide FOV 
optics narrow EO Wi le A 
scanning mivvoY | (pointing mirror) 
weia ht heavy light 
volume large small 
m space 
  
Low