Practice Types Of Sensors (2.5.2) - Fundamentals of Remote Sensing - Geo Informatics

Practice: Types of Sensors

Lesson 2.5.2Fundamentals of Remote Sensing

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8 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the primary source of energy for passive sensors?
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Think about how these sensors capture images; what do they rely on?
Question 2.
Can active sensors operate at night?
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Consider how these sensors perform in various weather conditions.
3Question 3.
What is the main difference between passive and active sensors?
- Passive sensors use internal energy; Active sensors use sunlight
- Passive sensors work only during the day; Active sensors can work at night
- Passive sensors are faster than active sensors
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Recall the definitions of both types of sensors.
4Question 4.
True or False: LiDAR is a passive sensor.
- True
- False
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Consider whether LiDAR uses external light.
Question 5.
In an engineering project, you need to monitor land degradation during nighttime. Which type of sensor would you use and why? Discuss your reasoning.
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Think about sensor functioning in different light conditions.
Question 6.
Consider a scenario where atmospheric conditions prevent sunlight from reaching the Earth’s surface. Which type of sensor would provide reliable data in this case, and why?
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Consider which sensor emits energy.

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