10 Questions
What is the main advantage of lidars over radars in remote sensing?
Lidars generally have much higher temporal and spatial resolutions
What is the primary component used in LiDAR to measure the earth's surface?
Near infrared laser and scanning mirror
What can lidar sensors measure in addition to the earth's surface?
Multiple returns from each pulse
What is a limitation of lidar signal compared to radar in remote sensing?
Cannot penetrate dense clouds or soil surface
What is the wavelength used by lidars in remote sensing?
Optical wavelength
What is the primary difference between lidars and radars in remote sensing?
Lidars use optical wavelength while radars use radio waves
What is the function of the scanning mirror in LiDAR measurement?
To direct the laser beam for measurement
What type of laser is used in LiDAR for measuring the earth's surface?
Near infrared laser
What is a characteristic of LiDAR signals in comparison to radar signals in remote sensing?
LiDAR signals have much higher temporal and spatial resolutions
What is a limitation of LiDAR signals in remote sensing?
LiDAR signals cannot penetrate dense clouds
Test your knowledge of LiDAR remote sensing with this quiz. Explore the principles of Light Detection and Ranging, its applications, and its role in remote sensing technology.
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