EW 2 Flashcards
EW meaning.
The military exploitation of the EM spectrum.
3 EW subdivisions.
EA Electronic Attack
ES Electronic Support
ES Electronic Defence
EA Subdivisions.
Jamming (noise jamming and deception jamming)
Deception
Neutralisation
ES subdivisions.
Threat warning
SIGINT (COMMINT, ELINT)
ED subdivisions.
Active
Passive
EMCON
Electronic masking
Missile engagement process.
Search Acquire Track Launch Intercept
Homing missile codes.
FOX1 Semi- external RADAR w/ 3rd party cueing.
FOX2 Passive- follows EM signatures.
FOX3 Active- internal RADAR transmitter and receiver.
RADAR meaning and fundamentals/elements.
RAdio Detection And Ranging
PW Pulse Width- Tgt discrimination.
PRF Pulse Repetition Frequency- data rate.
Frequency- data rate, range.
ARP Ariel Rotation Period- no of turns.
What is a RADAR mile?
Time taken for a RADAR pulse to travel one mile and return.
12.36us
3 types of RADAR displays.
A scope - range, signal strength.
B scope - range, relative bearing.
PPI Plan Position Indicator
MUR equation.
1/2C / PRF
PW equation.
C x time. (3x10^8) x (__x10^-6).
Types of information security.
Physical
Transmission security
Personnel Security
Cryptographic
MEZ
Missile Engagement Zone
TRESPASS call.
C/s
TRESPASS
Threat
Location
What is RADAR homing?
Using RADAR signals to position the A/C in order to ID a surface contact.
DOA meaning and methods?
Direction of arrival
Phase comparison
Amplitude comparison
ESM definition.
Intercept, locate and identify EM sources.
What parts of the EM spectrum does the military utilise?
Radio
RADAR
EO/IR
RADAR horizon equation.
1.23 x antenna height in ft.
What is RADAR advantage?
When you can pick up a RADAR signal beyond their MUR.
Missile guidance loop
Sensor
Error
Guidance computer
Steer
Beam riding characteristics.
Covert
Not FnF
Susceptible to CM
Uses sensors to guide onto target using a unique PRF.
Target range.
(C x return time) / 2
