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Adv land > Adv land EO detection > Flashcards

Adv land EO detection Flashcards

1
Q

What are the 2 light sources earth is illuminated by?

A

Natural

Artificial

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2
Q

What does CCD stand for?

A

Charge coupled device

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3
Q

What does CCD do?

A

A sensor converts light into electrical charges to create an image

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4
Q

What are the 2 zoom functions?

A

Digital

Optical

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5
Q

How does optical zoom work?

A

Physical camera lens movement - changes the apparent closeness of the image by increasing the focal length without reducing resolution

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6
Q

How does digital (electrical) zoom work?

A

Gives appearance of magnifying, but lessons the resolution and image quality

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7
Q

5 environmental factors that effect EO performance

A 
Sun
Visibility
Precipitation
Cloud
Fog
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8
Q

2 primary factors for EO attenuation?

A

Absorption

Scattering

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9
Q

5 main reasons we can see objects?

A 
Shape
Size
Shades and tones
Surroundings
Shadow
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10
Q

What is DR&I?

A

Detection, recognition and identification

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Adv land (8 decks)

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