Which of these is an example of an active remote sensing system?
A)video from unmanned aerial vehicles
B)aerial photography
C)near-infrared (NIR)imaging
D)thermal infrared satellite images
E)radar

Question

Which of these is an example of an active remote sensing system? ​
A)video from unmanned aerial vehicles
B)aerial photography
C)near-infrared (NIR)imaging
D)thermal infrared satellite images
E)radar

Quizplus · Accepted Answer

Radar is an example of an active remote sensing system because it emits its own signal and measures the reflection of this signal off the surface of the Earth to gather data.

Which of These Is an Example of an Active Remote