Practice Working Principle (9.2.3) - Airborne and Terrestrial Laser Scanning

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What do laser pulses do in Airborne Laser Scanning?
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Consider the first step in the scanning process.
Question 2.
What is the role of GNSS in ALS?
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Think of it as GPS for the laser!
3Question 3.
What does ALS stand for?
- Airborne Laser Scanning
- Aerial Laser Sensing
- Alternating Laser Spectrum
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Think about the components involved in aerial data collection.
4Question 4.
The IMU in ALS helps to measure what?
- True
- False
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Is it related to the movement of the aircraft?
Question 5.
Describe a scenario where using ALS could significantly benefit environmental monitoring.
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Think about how mapping elevation impacts disaster preparedness.
Question 6.
Discuss the challenges that ALS may face in urban environments and suggest possible solutions.
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Consider the effect of tall buildings on laser pathways.

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