CONS 127-Final Exam Study Guide
Questions and answers | Newest
100nm is how many microns - Correct Answers .1microns=100nm
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Considering the case of Africa and Greenland, describe how map projection might
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influence the perspective of the map viewer - Correct Answers when a country/continent
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is projected to look smaller than it actually is, people may think it is of lesser importance
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define frequency - Correct Answers the number of wavelength that pass through a point
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in one second
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II Define wavelength - Correct Answers the distance between peaks
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Ellipsoid - Correct Answers Where our A axis is longer than our B axis. (semi major and
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semi minor axis)
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Geoid - Correct Answers Shape of the surface of the calmed oceans (best
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representation of earth)
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Give a definition of spatial resolution - Correct Answers each pixel has a value that tells
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you the number of photons. spatial resolution is the number of pixels utilized in
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construction of a digital image
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Give two examples of objects or phenomena that can be observed at each of the
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following spatial resolutions: 1km, 30m, 1m - Correct Answers 1km: Atmosphere, ocean
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30m: LANDSAT, forest cover, insect infestation
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<1m: Digital aerial imagery, depends on sensor altitude
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how does the size of RADAR wavelength being used relate to the size of what RADAR
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can sense - Correct Answers A lower frequency RADAR will have a larger beam-width
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than a high frequency one. The power per unit area must therefore decrease as the area
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increasese
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How is a meter defined now? - Correct Answers A fraction of how many seconds light
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takes to travel across a meter
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How was a meter first defined? - Correct Answers A meter was a part of a distance
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between the north pole and the equator
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In ocean navigation, which is easier to calculate? latitude or longitude - Correct Answers
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Latitude
II
Questions and answers | Newest
100nm is how many microns - Correct Answers .1microns=100nm
II II II II II II II II II II II
Considering the case of Africa and Greenland, describe how map projection might
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influence the perspective of the map viewer - Correct Answers when a country/continent
II II II II II II II II II II II II II II II II
is projected to look smaller than it actually is, people may think it is of lesser importance
II II II II II II II II II II II II II II II II II
define frequency - Correct Answers the number of wavelength that pass through a point
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in one second
II II II
II Define wavelength - Correct Answers the distance between peaks
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Ellipsoid - Correct Answers Where our A axis is longer than our B axis. (semi major and
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semi minor axis)
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Geoid - Correct Answers Shape of the surface of the calmed oceans (best
II II II II II II II II II II II II II II II II
representation of earth)
II II II
Give a definition of spatial resolution - Correct Answers each pixel has a value that tells
II II II II II II II II II II II II II II II II II II II
you the number of photons. spatial resolution is the number of pixels utilized in
II II II II II II II II II II II II II II
construction of a digital image
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Give two examples of objects or phenomena that can be observed at each of the
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following spatial resolutions: 1km, 30m, 1m - Correct Answers 1km: Atmosphere, ocean
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30m: LANDSAT, forest cover, insect infestation
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<1m: Digital aerial imagery, depends on sensor altitude
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how does the size of RADAR wavelength being used relate to the size of what RADAR
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can sense - Correct Answers A lower frequency RADAR will have a larger beam-width
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than a high frequency one. The power per unit area must therefore decrease as the area
II II II II II II II II II II II II II II II II
increasese
II
How is a meter defined now? - Correct Answers A fraction of how many seconds light
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takes to travel across a meter
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How was a meter first defined? - Correct Answers A meter was a part of a distance
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between the north pole and the equator
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In ocean navigation, which is easier to calculate? latitude or longitude - Correct Answers
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Latitude
II
