Chapter 3 — Question 2
Mention two types of passive and two types of active sensors
Answer
Passive sensors
:
•
Aerial Camera
•
Thermal scanner
•
Gamma-ray spectrometer
•
Video camera
•
Multispectral scanner
•
Imaging spectrometer
•
Radiometer
Active sensors
:
•
Laser scanner
•
Radar altimeter
•
Imaging radar