Modern Electronic Warfare In full

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    contentscontents

    IntroductionIntroduction

    MotivationMotivation

    Types of radar technologyTypes of radar technologyResultsResults

    ConclusionsConclusions

    ReferencesReferences

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    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

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    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.

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    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

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    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

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    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).

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    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

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    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.

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    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

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    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"

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    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.

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    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

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    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

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    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