Practice Types Of Satellite Sensors And Imagery (3.1)

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9 questions

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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 type of sensor relies on natural radiation?
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Think about how they acquire data.
Question 2.
What does panchromatic imagery capture?
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Recall its primary color scheme.
3Question 3.
What type of sensor emits its own signals?
- Passive Sensor
- Active Sensor
- Support Sensor
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Think about action vs. observation.
4Question 4.
Is panchromatic imagery normally captured in multiple bands?
- True
- False
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Recall its color and resolution.
Question 5.
Compare and contrast the applications of passive and active sensors in monitoring environmental changes.
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Consider their operational modes and the environmental contexts they best serve.
Question 6.
Given a panchromatic image and a multispectral image, describe the steps needed to pan-sharpen the multispectral image.
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Think about how combining these images can maximize the data captured.

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