Upload
viju-nani
View
234
Download
1
Embed Size (px)
Citation preview
8/7/2019 Modern Electronic Warfare In full
1/15
contentscontents
IntroductionIntroduction
MotivationMotivation
Types of radar technologyTypes of radar technologyResultsResults
ConclusionsConclusions
ReferencesReferences
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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.
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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).
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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.
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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"
8/7/2019 Modern Electronic Warfare In full
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.
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
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
8/7/2019 Modern Electronic Warfare In full
14/15
8/7/2019 Modern Electronic Warfare In full
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