EW Flashcards
EW Definition?
The military exploitation of the EM spectrum.
3 subdivisions of EW.
EA Electronic Attack.
ED Electric Defence.
ES Electronic Support.
EA is split into…
Jamming.
Neutralisation.
Neutralisation.
ED is split into…
Passive.
Active.
EMCON.
Electronic masking.
ES is split into…
Threat warning.
SIGINT-(COMMINT, ELINT).
Different types of warning systems.
RWR.
LWR.
MWS.
3 Types of MWS.
RADAR.
IR.
UV.
3 areas of the EM spectrum that we utilise.
Radio.
RADAR.
EO/IR.
RADAR horizon equation?
1.23 x SR of antenna height in ft.
RADAR Cross Section factors.
Size. Shape. Aspect. Material. Lumps, bumps, angles and cavities.
RADAR parameters?
PRF, PRI, PW.
3 scan types?
Circular (A).
Sector (B).
Raster (J).
Ways to calculate RV (Relative Velocity)?
Doppler shift.
Manual plotting.
Auto plotting/track.
Types of RADAR displays?
A-scope.
B-scope.
PPI (plan position indicator).
ECM Types.
Deceptive jamming. Noise jamming. Frequency hopping. Chaff. Towed RADAR decoy.
What is MUR and how do you calculate it?
Maximum Unambiguous Range.
MUR = PRF x 1/2C
Weapon types?
AA guns and RPGs. ManPADS. Land Based (SAMS). SA. Naval Based. SA-N. AA.
Anatomy of a missile?
Sensor/seeker head. Guidance and control. Warhead. Data link. Motor. 1st stage booster or ejector.
Missile engagement process?
Search. Acquire. Track. Launch. Intercept.
Phases of guidance (flight)?
Launch (boost).
Mid-course (sustain).
Terminal (coast).
Missile guidance techniques?
Command: CLOS, COLOS.
Beam riding.
Homing: Passive, semi-active, active.
Track via missile.
Homing missile codes?
Semi-active - Fox 1
Passive - Fox 2
Active - Fox 3
Missile guidance loop?
Sensor.
Error.
Guidance computer.
Steer.
TRESPASS call?
C/s.
TRESPASS.
Threat.
Location.