EP1907784B1 - Procédé et dispositif de leurrage de missiles guidés par infrarouge, par radar et en double mode - Google Patents

Procédé et dispositif de leurrage de missiles guidés par infrarouge, par radar et en double mode Download PDF

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Publication number
EP1907784B1
EP1907784B1 EP06776087A EP06776087A EP1907784B1 EP 1907784 B1 EP1907784 B1 EP 1907784B1 EP 06776087 A EP06776087 A EP 06776087A EP 06776087 A EP06776087 A EP 06776087A EP 1907784 B1 EP1907784 B1 EP 1907784B1
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EP
European Patent Office
Prior art keywords
decoy
bodies
missile
radar
decoy bodies
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP06776087A
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German (de)
English (en)
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EP1907784A1 (fr
Inventor
Heinz Bannasch
Martin Fegg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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Publication of EP1907784A1 publication Critical patent/EP1907784A1/fr
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Expired - Fee Related legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00—Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02—Active targets transmitting infrared radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/02—Anti-aircraft or anti-guided missile or anti-torpedo defence installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/58—Cluster or cargo ammunition, i.e. projectiles containing one or more submissiles
    • F42B12/66—Chain-shot, i.e. the submissiles being interconnected by chains or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
    • F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
    • F42B12/70—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies for dispensing radar chaff or infrared material

Definitions

  • Infrared, radar and dual mode guided missiles are used to control, for example, sea targets such as ships or other land and airborne objects. After launch, these missiles or rockets initially fly inertially (eg. DE 196 01 165 A1 ) or GPS steered into the target area. The missile then goes into a search phase (search phase) when it has approached the target accordingly. In addition, a missile turns on the target (lock-on) and pursues this until the impact (track phase).
  • a "track gate" depth D is about 150 m for older missiles, and only a few meters for modern aircraft.
  • decoys are used to prevent the protection of objects missiles by disturbance in / at their function.
  • Some decoys send electromagnetic noise signals upon detection of a threat ( DE 100 16 781 C2 others build "clouds" of floating dipoles (chaff clouds) tuned to the radar frequency of the missile.
  • Variants of these floating dipoles are, for example, (radar) confusion decoys, (radar) seduction decoys or (radar) distraction decoys.
  • a Confusion decoy is usually deployed at a great distance between the object to be protected (ship) and the attacker before the attack of the missile. Through a large number of these decoys is achieved that the enemy's enlightenment is confused, since in addition to the actual object other goals are generated.
  • a seduction (decoy) decoy is deployed to the target in a missile attack after the missile is "locked". For example, to achieve a deflection of the missile, these decoys have a higher radar beam cross section than the object itself.
  • a method for providing a decoy target from the DE 196 17 701 A1 With this, both infrared, radar and dual mode-guided missiles are directed away from the actual target to a decoy.
  • the use of dipole and flare compounds in a certain ratio ensures that the dipoles are swirled by the burning down of the flares.
  • the masses are fired in submunitions so that the setting of the delay times of the decomposition or blowing out at a distance of about 10 m to 60 m from the launcher, so that the effective masses within the reduced viewing window of Zielsuchkmü come into effect.
  • a corresponding decoy will be in the DE 199 51 767 C2 disclosed.
  • the DE 34 21 734 A1 relates to a method of protecting IR radiating targets from missiles equipped with IR guidance seekers.
  • the method provides that one shoots in turn several projectiles under such temporal and spatial dislocation and disassembled under the ignition and distribution of the throwing agent therein, that a propagating from the previous apparent target cloud chain of successive other new IR decoy target clouds arises and so a decoying target constantly wandering away from the threatened target is formed.
  • the process is performed using multiple projectiles loaded in series in a single launch tube.
  • the invention has the object of demonstrating a method and a device for deceiving guided missiles, with which a successful distraction is also made possible by modern infrared, radar and dual mode-guided missile.
  • the invention is based on the idea of creating a distraction illusion even by modern infrared, radar and dual mode-guided missiles by generating a decoy chain.
  • the chain is formed by several, successively connected decoys, for example, by firing individual Chaff submunitions.
  • the application occurs before or during the search phase of the missile and can be done, for example, in the reverse walk-off principle or simultaneously or succedan and in the form of a pattern. It is ensured that the decoys with the largest set distance range from the target are the first ones to act.
  • the deception chain thus created causes the missile to perform a series of time-consuming analyzes on its way to the target, with the false analyzes typically taking approximately 2 to 4 seconds each. By this measure, the method for directing opposing seekers to false targets is already optimized in the search phase before the "lock-on".
  • the effectiveness of the chain is determined by its correct training, which can be defined by the parameters application direction, effective distance, number of decoys, time of effective deployment and / or the radar return cross section.
  • the number of decoys expands the reaction or analysis time of the missile. Therefore, the number should be as large as possible, in practice, a number of 5 decoys has been found to be sufficient.
  • the device for implementing this method can be realized with known decoy systems / carriers. However, in contrast to these known systems u. a. all submunitions 100% filled with chaff or the like.
  • Fig. 1 is a distraction ammunition 1, shown here with several radar submunitions 2 (2.1 - 2.5), which are used to protect one also in Fig. 2 represented object 3 against an example radar-directed missile 4 is used.
  • the radar submunitions 2 are 100% filled with chaff.
  • the application direction is also important for the effectiveness of a decoy chain 20 thus created. It is envisaged to deploy the decoy chain 20 through the ammunition 1 in the direction of the missile 4 (line of sight) or in the opposite direction after the search phase of the missile 4. If the search process of the missile 4 is unknown, a simultaneous application in both directions is recommended. In order to prevent two (dummy) targets from being located in the "track gate” of the missile 4 at the same time, a minimum distance from object 3 (ship) as well as from one another to greater D must be maintained.
  • the time of the active development of the individual decoys 2.1 - 2.5 is governed by the fact that the decoys 2.1 to 2.5 of the decoy chain 20 should be effective at an early stage. It is preferred that the decoys 2.1 - 2.5 are still used preventively in the search phase of the missile 4.
  • the Radarschreibstrahlquerrough the individual decoys 2.1 to 2.5 can be kept relatively low, ie, much lower than the Radarschreibstrahlquerrough the object 3, and must be only above the Aufschaltschwelle the missile 4.
  • a return flow cross section of approx. 500 sqm is usually sufficient.
  • the decoy chain 20 may be integrated in a known decoy system, here in the 130 mm ammunition 1.
  • the decoys 2.1- 2.5 are released, which can be done simultaneously and with a time delay.
  • the decoy 2.1 unfolds, however, preferably not necessarily first as its effect at about 250 m, the decoy 2.2 as the second at 200 m to the decoy 2.5, which in turn unfolds its last effect at about 50 m, d. H. they will take effect in turn.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (13)

  1. Procédé pour la protection d'objets (3) contre des missiles (4) guidés par infrarouge, par radar et en double mode, au moyen de sous-munitions (2) qui forment en tant que leurres (2.1 - 2.5) une chaîne de leurres (20), et qui peuvent être transférées par une munition (1), les leurres (2.1 à 2.5) étant libérés après le tir de la munition (1) et les leurres (2.1 - 2.5) de la chaîne de leurres (20) étant éjectés de telle sorte qu'ils déploient leur effet à une distance prédéfinissable de l'objet (3) et donc agissent dans différentes directions à l'encontre du missile (4), les leurres (2.1 - 2.5) ayant la plage d'écartement ajustée le plus loin de l'objet (3) agissant en premier.
  2. Procédé selon la revendication 1, caractérisé en ce que les leurres (2.1 - 2.5) de la chaîne de leurres (20) sont éjectés avant ou pendant la phase de recherche du missile (4) dans la direction du missile (4) et/ou dans la direction opposée.
  3. Procédé selon la revendication 2, caractérisé en ce que les leurres (2.1 à 2.5) sont encore utilisés de manière préventive dans la phase de recherche du missile (4).
  4. Procédé selon la revendication 2 ou 3, caractérisé en ce qu'il se produit une éjection simultanée dans les deux directions.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'éjection des leurres (2.1 - 2.5) s'effectue simultanément ou de manière échelonnée dans le temps.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le leurre (2.1) déploie de préférence, mais toutefois pas nécessairement, en premier son action à environ 250 m, le leurre (2.2) en deuxième à 200 m jusqu'au leurre (2.5), qui déploie son action en dernier à environ 50 m, c'est-à-dire qu'ils agissent l'un après l'autre.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que l'échelonnement des distances minimal entre les leurres (2.1 à 2.5) est de 20 m.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'efficacité de la chaîne de leurres (20) est définie par les paramètres du sens d'éjection, de la distance d'action, du nombre des leurres, de l'instant du déploiement de l'action et/ou de la section transversale du rayon de retour du radar.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'un échelonnement de la distance des leurres (2.1 - 2.5) dans la munition (1) est programmé.
  10. Dispositif pour la protection d'objets (3) contre des missiles (4) guidés par infrarouge, par radar et en double mode, au moyen de leurres (2) qui peuvent être transférés par une munition (1), avec plusieurs leurres (2), qui forment une chaîne de leurres (20), les leurres (2.1 - 2.5) agissant par des combinaisons correspondantes d'éléments de charges propulsives et de ralentissement à une distance prédéfinie de l'objet (3) et donc du missile (4), de sorte que les leurres (2.1 - 2.5) à la plus grande distance ajustée de l'objet (3) agissent en premier.
  11. Dispositif selon la revendication 10, caractérisé en ce que la section transversale du rayon de retour du radar des leurres (2.1 à 2.5) individuels se situe au-dessus du seuil d'intrusion du missile (4).
  12. Dispositif selon la revendication 11, caractérisé en ce qu'une section transversale de rayon de retour des leurres (2.1 à 2.5) individuels d'environ 500 m2 est en général suffisante.
  13. Dispositif selon l'une quelconque des revendications 10 à 12, caractérisé en ce que cinq leurres (2.1 à 2.5) sont incorporés dans la munition (1).
EP06776087A 2005-07-25 2006-06-28 Procédé et dispositif de leurrage de missiles guidés par infrarouge, par radar et en double mode Expired - Fee Related EP1907784B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005035251A DE102005035251A1 (de) 2005-07-25 2005-07-25 Verfahren und Vorrichtung zur Täuschung infrarot-, radar- als auch Dual Mode- gelenkter Flugkörper
PCT/EP2006/006223 WO2007012371A1 (fr) 2005-07-25 2006-06-28 Procede et dispositif de leurrage de missiles guides par infrarouge, par radar et en double mode

Publications (2)

Publication Number Publication Date
EP1907784A1 EP1907784A1 (fr) 2008-04-09
EP1907784B1 true EP1907784B1 (fr) 2012-10-24

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EP06776087A Expired - Fee Related EP1907784B1 (fr) 2005-07-25 2006-06-28 Procédé et dispositif de leurrage de missiles guidés par infrarouge, par radar et en double mode

Country Status (6)

Country Link
US (1) US8223061B2 (fr)
EP (1) EP1907784B1 (fr)
DE (1) DE102005035251A1 (fr)
DK (1) DK1907784T3 (fr)
IL (1) IL189028A (fr)
WO (1) WO2007012371A1 (fr)

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DE102008017725A1 (de) 2008-04-07 2009-10-08 Rheinmetall Waffe Munition Gmbh Scheinziel mit einfacher Sicherheitsvorrichtung
US8604965B2 (en) * 2010-02-26 2013-12-10 Federal Aviation Administration/Department of Transportation Apparatus and method to generate and detect virtual targets
DE102010032458A1 (de) 2010-06-11 2011-12-15 Rheinmetall Waffe Munition Gmbh Aktive Täuschkörper gegen Radarquellen sowie Verfahren zum Schutz von Objekten mit Hilfe derartiger Täuschkörper
DE102010047860A1 (de) 2010-10-07 2012-04-12 Rheinmetall Waffe Munition Gmbh Täuschkörper zum Schutz von Objekten
DE102011120929A1 (de) 2011-12-14 2013-06-20 Rheinmetall Waffe Munition Gmbh Schutzsystem, insbesondere für Schiffe, gegen radargelenkte Bedrohungen
DE102016121698A1 (de) 2016-11-11 2018-05-17 Rheinmetall Waffe Munition Gmbh Verfahren und Abwehrsystem zur Bekämpfung von Zielen und Bedrohungen
DE102019117801A1 (de) 2019-07-02 2021-01-07 Rheinmetall Waffe Munition Gmbh Scheinziel, System und Verfahren zum Schützen eines Objekts

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Also Published As

Publication number Publication date
IL189028A (en) 2015-06-30
WO2007012371A1 (fr) 2007-02-01
US20090251353A1 (en) 2009-10-08
DK1907784T3 (da) 2013-02-04
DE102005035251A1 (de) 2007-02-01
US8223061B2 (en) 2012-07-17
IL189028A0 (en) 2008-08-07
EP1907784A1 (fr) 2008-04-09

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