EW

Question 1

EW Definition?

Answer 1

The military exploitation of the EM spectrum.

Question 2

3 subdivisions of EW.

Answer 2

EA Electronic Attack.
ED Electric Defence.
ES Electronic Support.

Question 3

EA is split into…

Answer 3

Jamming.
Neutralisation.
Neutralisation.

Question 4

ED is split into…

Answer 4

Passive.
Active.
EMCON.
Electronic masking.

Question 5

ES is split into…

Answer 5

Threat warning.

SIGINT-(COMMINT, ELINT).

Question 6

Different types of warning systems.

Answer 6

RWR.
LWR.
MWS.

Question 7

3 Types of MWS.

Answer 7

RADAR.
IR.
UV.

Question 8

3 areas of the EM spectrum that we utilise.

Answer 8

Radio.
RADAR.
EO/IR.

Question 9

RADAR horizon equation?

Answer 9

1.23 x SR of antenna height in ft.

Question 10

RADAR Cross Section factors.

Answer 10

Size.
Shape.
Aspect.
Material.
Lumps, bumps, angles and cavities.

Question 11

RADAR parameters?

Answer 11

PRF, PRI, PW.

Question 12

3 scan types?

Answer 12

Circular (A).
Sector (B).
Raster (J).

Question 13

Ways to calculate RV (Relative Velocity)?

Answer 13

Doppler shift.
Manual plotting.
Auto plotting/track.

Question 14

Types of RADAR displays?

Answer 14

A-scope.
B-scope.
PPI (plan position indicator).

Question 15

ECM Types.

Answer 15

Deceptive jamming.
Noise jamming.
Frequency hopping.
Chaff.
Towed RADAR decoy.

Question 16

What is MUR and how do you calculate it?

Answer 16

Maximum Unambiguous Range.

MUR = PRF x 1/2C

Question 17

Weapon types?

Answer 17

AA guns and RPGs.
ManPADS.
Land Based (SAMS). SA.
Naval Based. SA-N.
AA.

Question 18

Anatomy of a missile?

Answer 18

Sensor/seeker head.
Guidance and control.
Warhead.
Data link.
Motor.
1st stage booster or ejector.

Question 19

Missile engagement process?

Answer 19

Search.
Acquire.
Track.
Launch.
Intercept.

Question 20

Phases of guidance (flight)?

Answer 20

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

Question 21

Missile guidance techniques?

Answer 21

Command: CLOS, COLOS.
Beam riding.
Homing: Passive, semi-active, active.
Track via missile.

Question 22

Homing missile codes?

Answer 22

Semi-active - Fox 1
Passive - Fox 2
Active - Fox 3

Question 23

Missile guidance loop?

Answer 23

Sensor.
Error.
Guidance computer.
Steer.

Question 24

TRESPASS call?

Answer 24

C/s.
TRESPASS.
Threat.
Location.