Modern Electronic Warfare In full

8/7/2019 Modern Electronic Warfare In full

1/15

contentscontents

IntroductionIntroduction

MotivationMotivation

Types of radar technologyTypes of radar technologyResultsResults

ConclusionsConclusions

ReferencesReferences


2/15

IntroductionIntroduction

RadarRadar -- Radio Detection And RangingRadio Detection And Ranging

Radar guided air to air missileRadar guided air to air missile technology.technology.

This is technology in terms of range, accuracy,This is technology in terms of range, accuracy,resist to counter attacks.resist to counter attacks.

This technology are only used by the world'sThis technology are only used by the world's

frontline air forcesfrontline air forces


3/15

Introduction (cont.)Introduction (cont.)

By sensing electromagnetic energy reflectedBy sensing electromagnetic energy reflected

from the target's surfacefrom the target's surface through the radar.through the radar.

There are two radar guidance systems:There are two radar guidance systems:1.Active radar guidance.1.Active radar guidance.

2.Semi active radar guidance.2.Semi active radar guidance.

B

oth the guidance are steer up by computerB

oth the guidance are steer up by computerthen it detect the target.then it detect the target.


4/15

MotivationMotivation

WeWe realisedrealised that this technology whichthat this technology which

brought drastic change in thebrought drastic change in the defencedefence field.field.

This works efficiently to crack down theThis works efficiently to crack down thetarget in ..missile technology.target in ..missile technology.

It reduces the human interference, which alterIt reduces the human interference, which alter

itself through a radars, chips etcitself through a radars, chips etc


5/15

Types of radar technologyTypes of radar technology

Beyond Visual Range Missiles and TrackingBeyond Visual Range Missiles and Tracking

TechnologyTechnology

High Power Aperture XHigh Power Aperture X--Band Fighter RadarsBand Fighter Radars


6/15

Beyond Visual Range Missiles andBeyond Visual Range Missiles and

Tracking TechnologyTracking Technology AirAir--toto--air missile that is capable of engaging atair missile that is capable of engaging at

ranges beyond 20 nautical miles (37 kmranges beyond 20 nautical miles (37 km).).

Missile must also be capable of tracking itsMissile must also be capable of tracking itstarget at particular range or of acquiring thetarget at particular range or of acquiring thetarget in flighttarget in flight..

The latest generation ofBVR missiles use aThe latest generation ofBVR missiles use a

combination of semicombination of semi--active and active radar.active and active radar. The BVR missiles are soon replaced by semiThe BVR missiles are soon replaced by semi

active radar homing termed as (SARH).active radar homing termed as (SARH).


7/15

Contrast between the beam ridingContrast between the beam riding

systems toB

VRsystems toB

VRBEAM RIDINGBEAM RIDING

Achieved by directing aAchieved by directing a

missile through radarmissile through radar

or laser.or laser.

Launching area directsLaunching area directs

the narrow beam to thethe narrow beam to the

enemy aircraftenemy aircraft It is not accurate, itsIt is not accurate, its

depend on the range.depend on the range.

Eg:RIMEg:RIM--2 terrier2 terrier

BVRBVR

It can be achieved byIt can be achieved by

ramjet ,dual pulseramjet ,dual pulse

rocket motors.rocket motors.

Launching air craft isLaunching air craft is

locked onto the targetlocked onto the target

Single target track(STT)Single target track(STT) It is accurate, itsIt is accurate, its

independent of theindependent of the

rangerange

EgEg: Astra missile: Astra missile


8/15

Features of SARHFeatures of SARH

1.1. In SARH, detectionIn SARH, detection

and tracking systemsand tracking systems

consist of a radarconsist of a radar

system, duplicating thissystem, duplicating thishardware on the missilehardware on the missile

itself is redundant.itself is redundant.

2.2. Resolution depends onResolution depends on

the physical size ofthe physical size of

antenna.antenna.

3.3. the missile will listenthe missile will listen

rearward to avoid therearward to avoid theammin in the tar et.ammin in the tar et.


9/15

Contrast between Active radarContrast between Active radar

and Semiand Semi--active radar homingactive radar homingActive radarActive radar

Guided missile contains theGuided missile contains the

radar transradar trans recieverreciever andand

electronics in it.electronics in it.

Its more accurate and alsoIts more accurate and also

have better resistance ofhave better resistance of

ECM.ECM.

It has best kill probability ,It has best kill probability ,and it referred as fire andand it referred as fire and

forget capability.forget capability.

Eg:DerbyEg:Derby

Semi active radarSemi active radar Guided missile has to listenGuided missile has to listen

and point it on the rightand point it on the right

direction from launching airdirection from launching aircraft.craft.

Its the most commonIts the most common

guidance systemguidance system

Eg:MigEg:Mig--2323


10/15

CONTINUOUS WAVE RADARCONTINUOUS WAVE RADAR

1.1. continuouscontinuous--wave (CW)wave (CW)

radar for guidance.radar for guidance.

2.2. Soviet aircraft, such asSoviet aircraft, such as

some versions of thesome versions of theMiGMiG--23 and MiG23 and MiG--27,27,

used an aerial toused an aerial to

provide CWsignal.provide CWsignal.

3.3. a narrowly focuseda narrowly focusedilluminator radar toilluminator radar to

"light up""light up"


11/15

CWR (cont.)CWR (cont.)

4 The target must remain illuminated duration of4 The target must remain illuminated duration of

the misiles flight.the misiles flight.

55 So it will the target's electronic warning systemsSo it will the target's electronic warning systemstime to detect the attack.time to detect the attack.


12/15

Electronic counter counter misileElectronic counter counter misile

Recent generationRecent generation

SARH uses (ECCM).SARH uses (ECCM).

TSARH missiles useTSARH missiles use

inertial guidance forinertial guidance formost of their flight,most of their flight,

only activating theironly activating their

SARH system for theSARH system for the

final attack.final attack. ..

Each radar emitter canEach radar emitter can

be used to engage morebe used to engage more

targetstargets


13/15

High PowerAperture XHigh Power

Aperture X--

Band

Band

Fighter RadarsFighter Radars

Pulse Doppler Radar Performance vs. BVRPulse Doppler Radar Performance vs. BVRCombatCombat

High Power Aperture Product FighterHigh Power Aperture Product FighterRadarsRadars


14/15


15/15

ConclusionsConclusions

Electronic Warfare has become a militaryElectronic Warfare has become a military

discipline with a pervasive influence upon thediscipline with a pervasive influence upon the

strategy, tactics and modern warfare.strategy, tactics and modern warfare.

EW is military action involving the use ofEW is military action involving the use of

electromagnetic energy to determine, exploit,electromagnetic energy to determine, exploit,

reduce electromagnetic spectrum and a friendlyreduce electromagnetic spectrum and a friendly

use of it.use of it.

EWhas found radar and communication mostEWhas found radar and communication most

dramatic applicationsdramatic applications

Documents

Modern Electronic Warfare In full