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RNR 2102 Exam 2
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Exam of 8 pages for the course Intro to Clinical Psychology 3003 Flinders Univers at Intro to Clinical Psychology 3003 Flinders Univers (RNR 2102 Exam 2)
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RNR 2102 Exam 2in what case is the 100% tree tally appropriate? - CORRECT ANSWER-when the
stand is very valuable
GIS - CORRECT ANSWER-geographic information system
GPS - CORRECT ANSWER-Global positioning system
PDOP - CORRECT ANSWER-positional dilution of precision
NAD27 - CORRECT ANSWER-north american datum of 1927
NAD83 - CORRECT ANSWER-north american datum of 1983
WGS84 - CORRECT ANSWER-world geodetic system of 1984
UTM - CORRECT ANSWER-universal transverse mercator
DEM - CORRECT ANSWER-digital elevation models
DOQQ - CORRECT ANSWER-digital orthophoto quarter quadrangles
SA - CORRECT ANSWER-selective availability
T/F
GIS is a computerized system for making maps - CORRECT ANSWER-false;
computer based system to store, manipulate, and output geographical data
GIS is a tool for storing maps and pictures - CORRECT ANSWER-false
GIS is a computer-based system to store, manipulate, and output geographical
data - CORRECT ANSWER-true
GPS units used by the military have higher PDOP than normal GPS units -
CORRECT ANSWER-false; lower
, GPS works better during the day, when the clouds help improve the signals -
CORRECT ANSWER-false; no clouds for good signal
GPS cannot work at all in the forest, even if the canopy is sparse - CORRECT
ANSWER-false; can work under canopy/ inaccurate
the signals we obtain with normal GPS today contain random error introduced by
the military - CORRECT ANSWER-false; no longer contain random error from
military
post-processing requires a special kind of GPS called deferential GPS -
CORRECT ANSWER-false; requires known location for adjustment
measurements of cartesian coordinated are in meters - CORRECT
ANSWER-true
measurements of geographic coordinates are in degree - CORRECT
ANSWER-true
DOQQs are digital arial photographs - CORRECT ANSWER-true
a raster model consists of pixels and therefore can require a large amount of
storage - CORRECT ANSWER-true
a vector model consists of objects (points, lines, and polygons) that take up less
storage - CORRECT ANSWER-true
metadata are a huge database that consists of both vector and raster models -
CORRECT ANSWER-false
selective availability allows the GPS user to selves the proper frequency (L1 or
L2) - CORRECT ANSWER-false; SA= permission to have GPS without error
what is GPS? explain the basis of GPS and how it works. - CORRECT
ANSWER-1.created by department of defense,
2. uses a constellation 30 satellites,
3.positioned about 20,200km above earth,
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