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Ew > Ew > Flashcards

Ew Flashcards

1
Q

EA meaning and sub categories

A

Electronic Attack

ECM:
Jamming
Deception
Neutralisation

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2
Q

ED and sub categories

A

Electronic Defence:

EPM
Passive
Active
EMCON
Electronic masking
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3
Q

ES and sub categories

A

Electronic Support

ESM:
Threat warning
SIGINT

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4
Q

ECM
ESM
EPM

A

Electronic counter measures
Electronic support measures
Electronic protection measures

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5
Q

SIGINT made up of

A

EMINT

COMINT

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6
Q

Neutralisation means?

A

SEAD DEAD

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7
Q

Warning systems

A

RWR Radar warning receiver
MWS Missile warning system
LWS laser warning system

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8
Q

Missile warning systems is made of 3 types?

A

IR warning
UV warning
Radar warning

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9
Q

RWR vs middle radar warning system

A

RWR detects radar looking at you radar missile system uses radar to find metal flying at you

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10
Q

IR, UV and radar missile looks for what?

A

IR looks for IR radiation, friction residual heat

UV burn profile engine muzzle flash

Radar Doppler shift from physical approach of the missile

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11
Q

Radar horizon calculated as

A

1.23 x square root of antenna height

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12
Q

Radar cross section determined by?

A 
Size
Lumps and bumps, angles and cavities
Shape
Materials
Aspects
She
Literally
Sucked
My
Arsehole
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13
Q

MDR

A

Minimum detection range

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14
Q

PRF

A

Pulse repetition frequency

Number of pulses transmitted in a second

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15
Q

PRI

A

Pulse repetition intervals

The time from start of one pulse to the next pulse

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16
Q

MUR

A

Maximum unambiguous range

Is the longest range to where a transmitted pulse can travel out and back again between consecutive transmitted pulses

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17
Q

Search types

A

Circular A
Sector B
RASTER J

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18
Q

ARP

A

Ariel rotation period

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19
Q

Counter measures?

A

Chaff - used against radar
Flares - used against IR

Towed radar decoy - needs larger RCS to work

Noise jamming - countered by ‘Burn Through’ where ships radar stronger than planes

Deception

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20
Q

Anatomy of missile top to bottom on flash’s diagram.

A 
Seeker/sensor
Warhead
Control system
Data link
Fuel/Motor
Booster/ejecter
Wings
She
Was
Crazy
Don’t
Fuck
Bitches
With
…..
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21
Q

Missile engagement process

A 
Search
Aquire
Target
Launch
Intercept
22
Q

Screen types

A

A scope
B scope
PPI plan position indicator

23
Q

Missile guidance loop

A

Sensor
Error
Guidance computer
Steering command

24
Q

Phases of guidance

A

Launch (boost)
Mid course (sustain)
Terminal (coast)

25
Q

Missile guidance techniques?

A

Command:
Command to line of sight CLOS
Command off the line of sight COLOS

Beam riding

Passive fox 2
Semi passive fox 1
Active fox 3

26
Q

Fox’s?

A

Fox 1 semi active
Fox 2 passive
Fox 3 active

27
Q

MEZ

A

Missile engagement zone

28
Q

Trespass call

A

Callsign
Trespass
Threat
Location

29
Q

ESM key words

A

Intercept, identify and locate sources of em energy

30
Q

ESM advantage

A

Receiving EM energy out side of origin radars MUR

31
Q

How to calculate bearing DOA

A

Compare
Phase
TOA
Amplitude

32
Q

Definition of EW

A

The military exploitation of EM spectrum

33
Q

3 military uses of spectrum

A

Radar, radio and EO IR

34
Q

Radar parameters

A

PRF
ARP
PW
Freq

35
Q

Weapon types

A 
Small arms
ManPads
Land based
AA
Naval based
Rpg
36
Q

How to calculate MUR

A

Prf x 1/2 C

37
Q

DOA

A

Direction of arrival

38
Q

Speed of light

A

3x 10^8

39
Q

Micro second

A

1x10^6

40
Q

Definition on Neutralisation

A

Deliberate use of em energy to either temporarily or permanently damage enemy devices that rely exclusively on the EM spectrum

41
Q

ESM

A

Intercept identify and locate source of em energy

42
Q

RADAR stands for

A

Radio detection and ranging

43
Q

Homing definition

A

Putting the aircraft in a position to identify the target

44
Q

Radar Mile

A

Time it takes for the em wave to travel 1 mile and back

45
Q

MUR calculation

A

1/2 C / prf

Example

84000/ 2500hz = 33.6nm

46
Q

4 securities

A

Physical
Personnel
Transmission
Cryptographic

47
Q

Length of wave

A

3x10^8 x 5 x 1x10^-6= 1500

48
Q

Ship radar recce

A 
Top = 3d search 
Navigation
Air/surface search
Fire control
Balls = ESM EPM balls
49
Q

Advantages and disadvantages of beam riding

A

Hard to decoy
Accuracy of laser beam

Loss of beam defeats Missile

50
Q

A scope

A

Signal strength, range

51
Q

B scope

A

Range relative bearing

52
Q

PPI

A

Plan position indicator

Ew (1 decks)

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