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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Volume estimation using aerial LIDAR

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Beginner

Intermediate

Advanced

What is the difference between 2D LiDAR and 3D LiDAR?

a: 2D LiDAR measures distance only, while 3D LiDAR measures distance and height Explanation

Explanation

b: 2D LiDAR produces a 2D point cloud, while 3D LiDAR produces a 3D point cloud Explanation

Explanation

c: 2D LiDAR scans a single plane, while 3D LiDAR scans multiple planes Explanation

Explanation

d: 2D LiDAR uses a single laser, while 3D LiDAR uses multiple lasers Explanation

Explanation

Which of the following factors can affect the accuracy of LiDAR measurements?

a: Temperature Explanation

Explanation

b: Humidity Explanation

Explanation

c: Altitude Explanation

Explanation

d: All of the above Explanation

Explanation

Which of the following is not a common application of LiDAR?

a: Autonomous driving Explanation

Explanation

b: Agricultural monitoring Explanation

Explanation

c: Weather forecasting Explanation

Explanation

d: Archaeological mapping Explanation

Explanation

Which of the following is a limitation of LiDAR?

a: It is unable to detect transparent or reflective surfaces Explanation

Explanation

b: It is limited in range and resolution Explanation

Explanation

c: It is affected by weather conditions Explanation

Explanation

d: All of the above Explanation

Explanation

What is the difference between a single-beam LiDAR and a multi-beam LiDAR?

a: Single-beam LiDAR uses a single laser beam, while multi-beam LiDAR uses multiple laser beams Explanation

Explanation

b: Single-beam LiDAR produces a 2D point cloud, while multi-beam LiDAR produces a 3D point cloud Explanation

Explanation

c: Single-beam LiDAR scans a single point, while multi-beam LiDAR scans multiple points simultaneously Explanation

Explanation

d: Single-beam LiDAR has a narrower field of view than multi-beam LiDAR Explanation

Explanation

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