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FINAL Flashcards

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1
Q

DPPDB is native to

A

NGA

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2
Q

the exactness of coordinates as indicated by the significant digits

A

Precision

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3
Q

refers to error.. decreased error results in increased _____________

A

Accuracy

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4
Q

two characteristics of precision are

A

Reproducibility and Repeatability

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5
Q

the apparent displacement of objects

A

Parallax

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6
Q

parallax is caused by change in the

A

Angle of Observation

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7
Q

What are the three types of imagery?

A

EO/IR/SAR

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8
Q

What type of imagery senses transmitted energy?

A

SAR

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9
Q

What type of imagery senses stored heat?

A

IR

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10
Q

What type imagery senses reflected energy?

A

EO

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11
Q

Process of measurement of a feature or location by certified operator using NGA

A

TCM (Target Coordinate Mensuration)

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12
Q

_____________ establishes policy for TCM tools and certs for operators

A

CJCSI 3505.01

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13
Q

_____________ establishes standards for TCM and outlines requirements for training.

A

NSGM 2351.1

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14
Q

______________ verifies compliance with joint and national requirements.

A

Army TCM instruction

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15
Q

contains imagery and maps with robust metadata

A

DPPDB

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16
Q

__________________ list of DPPDB currently available from NGA for U.S operations

A

Global Holdings List

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17
Q

list of obsolete jobs

A

Obsolete Jobs List

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18
Q

list of No-strike entities produced by CCMDs

A

No Strike List

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19
Q

“GHL” for coalition ops

A

Commonwealth Holdings List

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20
Q

allows missions and tactical planners to track out-of-date DPPDB files

A

D-CAT

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21
Q

branch of applied math which determines exact positions of points in figures and areas of large portions of earth’s surface

A

Geodesy

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22
Q

a mathematical model of the true shape of earth

A

Ellipsoid

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23
Q

Two types of ellipsoids are

A

Non-Earth-centered and Earth-centered

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24
Q

base reference for a coordinate system used to model the Earth

A

Datum

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25
Two types of datums
Horizontal and Vertical
26
Which datum is native to DPPDB?
Horizontal
27
What are the two types of Vertical Datum?
MSL and HAE
28
Continuous measurement of oceans rise and fall over 19 years
MSL
29
Based on an ellipsoid measured as a spherical radius from earth's center out 3,930 statue miles at a 45-degree.
HAE
30
Which EGM is native to DPPDB
EGM-96
31
Formal process which converts features between an ellipsoidal surface and a projection surface
Map Projection
32
What are the three types of map projection?
Plane, Cone, Cylinder
33
____________ is related to the reproducibility and repeatability with which repeated measurements under unchanged conditions show similar results
Precision
34
_____________ refers to how close a measured value is to an accepted value or truth
Accuracy
35
Three causes of error
Blunder, Systemic, Random
36
How do we mitigate errors?
Training and supervision, TCM, sensor system selection
37
Error must be expressed at ___% for TCM
90%
38
Circular Errors measures ___________ accuracy
horizontal
39
Linear Error measures ____________ accuracy
vertical
40
What are the three sensor platforms?
UAS, Manned, NOS
41
_____________ is the art and science of using imagery to make measurements
photogrammetry
42
What are the two types of projections?
Central and Orthographic
43
What is Central Projection?
relative projection of an object on the image based on the location of the sensor.
44
What is Orthographic Projection?
objects located on an image are in the same position relative to each other on the ground.
45
_____________ is the process to correct imagery error by removing the effects of tils and displacement.
Orthorectification
46
the link between geodesy photogrammetry and target development
Metadata
47
Two images of an area taken from different angles is called__________________
Stereo Pairs
48
What are the two components of Imagery Interpretation?
Obliquity and Look Angle
49
Component of Imagery Interpretation that when objects are represented at a look angle that distorts details necessary for image analysis.
Obliquity
50
Component of Imagery Interpretation that is the angular relationship between sensor/observer and the target
Look Angle
51
What is the basis for MGRS?
UTN
52
Parallax is caused by ________________
Look Angle
53
Stereo Pairs are related to __________
DPPDB
54
Mensuration method that directly exploits DPPDB metadata (most accurate method for TCM)
Direct Stand-Alone
55
mensuration method that indirectly exploits DPPDB metadata using TIE points to register a less accurate image to DPPDB metadata
Registration
56
Type of ellipsoid used to map local or regional areas
Non-Earth- centered
57
Type of ellipsoid used to map entire globe
Earth-centered
58
What dictates where you store DPPDB
SOPs
59
What does TLE stand for
Target Location Error
60
WGS-__ is native to DPPDB
84 AND 96
61
When importing a GHL, retrieve the _______ version
text
62
_________ maintains and posts GHL, obsolete file list, and DPPDB
NGA
63
The process of measuring a feature or location on Earth to determine absolute latitude, longitude, and height
mensuration
64
the NGA validated program that allows suers to transform coordinates among a wide variety of datums and convert between coordinate formats.
GeoTrans
65
Horizontal datum native to DPPDB is __________
WGS-84
66
Vertical datum native to DPPDB is _________
HAE
67
EGM native to DPPDB is __________
EGM-96
68
Who is responsible for the no strike list?
COCOM
69
What's the difference between TCM and mensuration?
TCM uses NGA tools by a TCM operator
70
provides the user with a list of all imagery stored on the local computer or network that is updated every time the user selects the "rebuild" option.
DPSS Image Index
71

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