Practice System Components (9.2.2) - Airborne and Terrestrial Laser Scanning

Practice: System Components

Lesson 9.2.2Airborne and Terrestrial Laser Scanning

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10 questions

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4 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What is the primary function of the laser scanner?
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Think about what happens to a light beam when it hits an object.
Question 2.
What role does GNSS play in ALS?
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Consider what technology helps GPS devices locate their position.
3Question 3.
What does the laser scanner in ALS do?
- Emits radio waves
- Captures data using lasers
- Measures temperature
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Consider the type of sensor used for measuring distance.
4Question 4.
True or False: The data storage unit is not essential for ALS.
- True
- False
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Think about what happens to data if it is not stored.
Question 5.
Consider a scenario where the laser scanner fails during a flight. What impact would that have on the collected data, and what might be possible solutions for this issue?
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Think about the importance of data completeness in mapping.
Question 6.
If the GNSS signal is disrupted during data collection, how can the ALS still maintain accuracy? Discuss the methods that could be employed.
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Consider fallback mechanisms in technology.

6 more questions in this section. Enroll free to practise them all.