AS 220 Chapters 4,6,8,9,12

What are the two categories of sensing?

• Active and reactive

• Passive and active

• Direct and indirect

• Analog and digital

What is used to measure distance to the ground in remote sensing?

• Radar

• Sonar

• LiDAR

• GPS

Which technology uses electromagnetic systems to capture 2-D and 3-D images, with a payload ranging from 1 meter to 1 millimeter?

• Photogrammetry

• LiDAR

• SAR

• Infrared Imaging

What is the payload technology for intelligence reconnaissance?

• GIMBLE

• LiDAR

• SAR

• Photogrammetry

Which technique is used to capture three-dimensional images?

• LiDAR

• Photogrammetry

• SAR

• Infrared Imaging

Which type of bands are used to calculate normalized differences with NIR (Near Infrared) bands?

• Blue Bands

• Green Bands

• Red Bands

• Ultraviolet Bands

What are the two commonly used communication methods?

• LOS and NLOS

• LOS and BLOS

• BLOS and NLOS

• LOS and VLOS

How is wireless communication possible in free space?

• Conduction

• Convection

• Radiation

• Reflection

What term describes waves that bounce back after hitting a surface?

• Refraction

• Diffraction

• Reflection

• Absorption

What can interfere with signals, affecting communication?

• Constructive and Destructive Interference

• Reflection and Refraction

• Absorption and Diffraction

• Modulation and Demodulation