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Level 3 ACTC Unclassified > MTS > Flashcards

MTS Flashcards

1
Q

MTS Components

A 
HCU
ACI panel
Rotor Overspeed and MTS switch assembly
SO Laser Switch
Nose mount platform, turret mounting plate, turret unit
Boresight module (maintenance only)
MTS electronic unit (EU)
Power converter unit (PCU)
VCR/DVR
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2
Q

LRD characteristics

A

Laser Range Finder/Designator

Type: Yttrium-Aluminum-Garnet (Nd:YAG)
Wavelength: 1064 nm
Class: 4

Cannot see on NVG’s or FLIR

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3
Q

LTM characteristics

A

Laser Target Marker

Type: Diode
Wavelength: 860 +/- 20 nm
Class 4

Can see on NVG’s and FLIR

Continuous, fast blink, slow blink

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4
Q

ELRF characteristics

A

Eyesafe Laser Range Finder
Type: Optically pumped Erbium-Glass
Wavelength: 1540 nm
Class: 1

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5
Q

Midwave IR sensor wavelengths

A

3000-5000 nm

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6
Q

Visible DTV camera (2 of them)

A

400-700nm

One (“Wide”) with fixed optics for wide/ULTW
One (“TGT” targeting) with varying optics

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7
Q

LLTV Camera

A

700-900nm (near IR), uses same optical path as DTV

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8
Q

LOS stabilization and gimble movement

A

Stabilized by gyroscope and image motion compressor (IMC)

Torque motors drive the gimbles: two for elevation and one for azimuth.

Elevation +20 to -105 degrees

360 degrees of azimuth

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9
Q

MTS Electronics Unit

A

Interfaces with HCU

1553 data bus, AVT, gimbal drive, video processing, mode control, symbol functions

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10
Q

Level

A

Brightness/”black bias”

sets black bias by adjusting temperature window the MTS senses

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11
Q

Gain

A

Contrast

controls temperature range for a given level

varies temperature window discrimination from 1.5 degrees C (high gain) to large window of 34 (low gain)

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12
Q

Three Automatic Processing Modes

A

RAY -Rayleigh
LIN - Linear
LAP - Local area processing (usually preferred)

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13
Q

RAY

A

Rayleigh

similar to LIN, but shows more contrast in darker tones

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14
Q

LIN

A

Linear

sets gain/contrast and brightness/level to make use of dynamic range of display, affecting all areas of the image EQUALLY

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15
Q

LAP

A

Local Area Processing

Evaluate contrast patterns on entire display, adjusts gain/contrast and level/brightness to tailor differently on different parts of the display

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16
Q

Polarity

A

White hot/black hot

Warm objects are white in white hot and black in black hot

17
Q

NOHD

A

Nominal ocular hazard distance - distance from operating laser at which radiant exposure is equal to the MPE (max permissible exposure)

Eye:
LRD: 39,077.2 m
LTM: 314.84 m
ELFR: 0 m

18
Q

NUC

A

Non uniformity correction

1-pt: pixel response at one temperature
2-pt: various temperatures to be collected

19
Q

PIM/PRF

A

pulse interval modulation-code requires a keyword

pulse repetition frequency

20
Q

Laser armed

A

-129 to +123 degrees azimuth

+10 to -25 elevation

Masked everywhere else

21
Q

Modes

A 
Stow
Slew
Point
Cue Point
Scan 
Auto track
Forward Pointing
Offset from forward
Off set from Auto-track
Rate
Boresight
22
Q

Stow

A

MTS LOS at position that protects MTS turret windows; video reduced to min gain and level

23
Q

Slew

A

TU controlled via slew buttom

24
Q

Cue Point

A

lat/long coordinates commanded by mission avionics (to target on tactical display)

25
Q

Point

A

MTS directed to fixed location on earth’s surface

26
Q

Scan

A

move in predetermined pattern

27
Q

AVT mode

A

Automatic video track

slave MTS TU based on movement of object

28
Q

Offset AVT

A

LOS remains at offset position from AVT

29
Q

Forward pointing

A

LOS along front to back axis of helo

30
Q

Offset from forward pointing

A

LOS may be directed to a position offset some number of degrees from forward

31
Q

Rate mode

A

MTS TU move at a constant rate

32
Q

GIP

A

EGI data valid
WOW
MTS powered and looking below horizon.

33
Q

MTS nomenclature

A

AN/AAS-44C

34
Q

Safety fan

A

Remote designator outside of +/- 30 degrees of aircraft heading

35
Q

Podium Effect

A

Blocked Reflection. When the seeker is looking for scattered laser energy, it must be able to see the reflecting surface. When a laser designates a surface that the seeker cannot see, the reflections are blocked

36
Q

CCM

A

A counter-countermeasures (CCM) feature within the missile is
available. This feature allows the missile to overcome suspected active electro-optical countermeasures being
used within the target area. The feature should only be used when active electronic counter-countermeasures
(ECCM) is known to be deployed in the target area.

  • Because it may an adverse impact on missile performance.
37
Q

Backscatter

A

laser energy scattered back in the direction of the seeker by an obscurant. Since backscatter energy competes with the reflected energy from the target, a seeker may attempt to lock onto the obscurant rather than the target.

Level 3 ACTC Unclassified (9 decks)

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