EP0822383A1 - Missile seeker for use in a jamming environment - Google Patents

Missile seeker for use in a jamming environment Download PDF

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Publication number
EP0822383A1
EP0822383A1 EP97112411A EP97112411A EP0822383A1 EP 0822383 A1 EP0822383 A1 EP 0822383A1 EP 97112411 A EP97112411 A EP 97112411A EP 97112411 A EP97112411 A EP 97112411A EP 0822383 A1 EP0822383 A1 EP 0822383A1
Authority
EP
European Patent Office
Prior art keywords
target
filter
interference
transparent
missile
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.)
Withdrawn
Application number
EP97112411A
Other languages
German (de)
French (fr)
Inventor
Günther Dipl.-Ing. Riedl
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.)
Airbus Defence and Space GmbH
Original Assignee
Daimler Benz Aerospace AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler Benz Aerospace AG filed Critical Daimler Benz Aerospace AG
Publication of EP0822383A1 publication Critical patent/EP0822383A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2213—Homing guidance systems maintaining the axis of an orientable seeking head pointed at the target, e.g. target seeking gyro
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/224—Deceiving or protecting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2253—Passive homing systems, i.e. comprising a receiver and do not requiring an active illumination of the target
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G7/00—Direction control systems for self-propelled missiles
    • F41G7/20—Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22—Homing guidance systems
    • F41G7/2273—Homing guidance systems characterised by the type of waves
    • F41G7/2293—Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves

Definitions

  • Infrared homing heads of all types - such as reticle, scan, or FPA seekers - are affected by targeted malfunctioning, such as lamp or laser interference. This impairment ranges from the output of various incorrect information about the target storage, about the loss of target through glare and saturation effects up to destruction of the detectors.
  • the present invention has for its object to demonstrate a method with which it is possible to pursue flawless target tracking despite ensure massive disruption.
  • the general idea of the invention is based on the consideration since the mentioned interference systems are always on board the one to be attacked Aim to take advantage of this interference radiation in such a way that it itself is used as a target, roughly similar to that from microwave technology well-known "home-on-jam" process.
  • This is now done in the beam path a controllable damping filter is arranged on the IR target seeker head, for example an electrochromic filter.
  • This filter is normally transparent, but is open within a short time a selectable through loss can be set as soon as the signal evaluation the homing head detects that there are interference signals or that saturation effects occur due to glare in the detector.
  • the passage damping of the filter according to the invention is corresponding the interference radiation is set appropriately, so the target is not provide more signal, but the source of interference itself, which is integrated in the target is, will come to rest in the linear part of the detector characteristic and can therefore be easily tracked and thus the missile into Bring goal.
  • Target-typical filing signal is controlled to make the fact To take into account that the meeting point should be where it is on the is most vulnerable and not where the interferer is located.

Abstract

The target tracking method involves using an infrared target head for detecting attempted jamming. A controllable associated damping filter, normally operating in transparent mode, switches to a high attenuation mode upon detection of interference radiation. The filter may be provided by an electrochromic filter, which is switched from its normal transparent condition to a required damping level in a short time interval, to allow tracking of the jamming source.

Description

Infrarot-Zielsuchköpfe aller Typen - wie beispielsweise Reticle-, Scan-, oder FPA-Sucher - werden in ihrer Leistungsfähigkeit durch gerichtete Störmaßnahmen, wie Lampen- oder Laserstörer, beeinträchtigt. Diese Beeinträchtigung reicht von der Ausgabe diverser Falschinformationen über die Zielablage, über den Zielverlust durch Blend- und Sättigungseffekte bis hin zur Zerstörung der Detektoren.Infrared homing heads of all types - such as reticle, scan, or FPA seekers - are affected by targeted malfunctioning, such as lamp or laser interference. This impairment ranges from the output of various incorrect information about the target storage, about the loss of target through glare and saturation effects up to destruction of the detectors.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verfahren aufzuzeigen, mit dem es ermöglicht wird, eine einwandfreie Zielverfolgung trotz massiver Störung sicherzustellen.The present invention has for its object to demonstrate a method with which it is possible to pursue flawless target tracking despite ensure massive disruption.

Diese Aufgabe wird in überraschender Weise durch die im Anspruch 1 aufgezeigten Maßnahmen gelöst. In den Unteransprüchen sind Ausgestaltungen und Weiterbildungen angegeben und in der nachfolgenden Beschreibung ist ein Ausführungsbeispiel erläutert, das in der einzigen Figur der Zeichnung skizziert ist, die einen IR-Suchkopf in schematischer Darstellung zeigt, der gemäß der Erfindung ausgestaltet ist.This object is surprisingly demonstrated by those in claim 1 Measures solved. Refinements are in the subclaims and further developments are given and in the description below an embodiment explained in the single figure of the drawing is sketched, which shows an IR seeker head in a schematic representation is designed according to the invention.

Dem allgemeinen Erfindungsgedanken liegt nun die Überlegung zugrunde, da sich die genannten Störsysteme ja immer an Bord des anzugreifenden Zieles befinden, diese Störstrahlung nun in der Weise auszunutzen, daß sie selbst als Ziel herangezogen wird, ungefähr ähnlich dem aus der Mikrowellentechnik bekannten "Home-on-Jam"-Verfahren. Hierzu wird nun im Strahlengang des IR-Zielsuchkopfes ein steuerbares Dämpfungsfilter angeordnet, beispielsweise ein elektrochromes Filter.The general idea of the invention is based on the consideration since the mentioned interference systems are always on board the one to be attacked Aim to take advantage of this interference radiation in such a way that it itself is used as a target, roughly similar to that from microwave technology well-known "home-on-jam" process. This is now done in the beam path a controllable damping filter is arranged on the IR target seeker head, for example an electrochromic filter.

Dieses Filter ist im Normalfall transparent, ist aber innerhalb kurzer Zeit auf eine wählbare Durchgangsdämpfung einstellbar, sobald die Signalauswertung des Zielsuchkopfes erkennt, daß Störsignale vorhanden sind oder daß Sättigungseffekte infolge Blendung im Detektor auftreten.This filter is normally transparent, but is open within a short time a selectable through loss can be set as soon as the signal evaluation the homing head detects that there are interference signals or that saturation effects occur due to glare in the detector.

Wird die Durchgangsdämpffing des erfindungsgemäßen Filters entsprechend der Störstrahlung geeignet eingestellt, so wird zwar das angepeilte Ziel nicht mehr genügend Signal liefern, aber die Störquelle selbst, die ja im Ziel integriert ist, wird in dem linearen Teil der Detektorkennlinie zu liegen kommen und kann daher problemlos verfolgt werden und damit den Flugkörper ins Ziel bringen. If the passage damping of the filter according to the invention is corresponding the interference radiation is set appropriately, so the target is not provide more signal, but the source of interference itself, which is integrated in the target is, will come to rest in the linear part of the detector characteristic and can therefore be easily tracked and thus the missile into Bring goal.

In einer Weiterbildung ist vorgesehen, daß der Endanflug mit einem zusätzlichen zieltypischen Ablagesignal gesteuert wird, um damit der Tatsache Rechnung zu tragen, daß der Treffpunkt dort am Ziel liegen sollte, wo es am meisten verwundbar ist und nicht dort, wo der Störer angebracht ist.In a further development it is provided that the final approach with an additional Target-typical filing signal is controlled to make the fact To take into account that the meeting point should be where it is on the is most vulnerable and not where the interferer is located.

Claims (3)

Verfahren zur Zielverfolgung eines Flugkörpers mit einem Infrarot-Zielsuchkopf der in seiner Leistungsfähigkeit durch gerichtete Störmaßnahmen beeinträchtigt ist und diese Störmaßnahmen erkennt, dadurch gekennzeichnet, daß in den Strahlengang des Zielsuchkopfes ein steuerbares Dämpfungsfilter angeordnet wird, das im Normalzustand transparent ist und bei Erkennung von Störstrahlung auf eine wählbar hohe Durchgangsdämpfung einstellbar ist oder automatisch sich selbst einstellt.Method for target tracking of a missile with an infrared target seeker whose performance is impaired by directional interference measures and recognizes these interference measures, characterized in that a controllable damping filter is arranged in the beam path of the target seeker head, which is transparent in the normal state and upon detection of interference radiation a selectable high transmission loss can be set or automatically adjusts itself. Verfahren zur Zielverfolgung eines Flugkörpers mit einem Infrarot-Zielsuchkopf der in seiner Leistungsfähigkeit durch gerichtete Störmaßnahmen beeinträchtigt ist und diese Störmaßnahmen erkennt, dadurch gekennzeichnet, daß in den Strahlengang des Zielsuchkopfes ein steuerbares Dämpfungsfilter angeordnet wird, das im Normalzustand transparent ist und bei Erkennung von Störstrahlung auf eine wählbar hohe Durchgangsdämpfung einstellbar ist oder automatisch sich selbst einstellt und im Endanflug das Steuersignal des Suchkopf-Detektors mit einem zieltypischen Ablagesignal überlagert wird.Method for target tracking of a missile with an infrared target seeker whose performance is impaired by directional interference measures and recognizes these interference measures, characterized in that a controllable damping filter is arranged in the beam path of the target seeker head, which is transparent in the normal state and upon detection of interference radiation a selectable high transmission loss can be set or automatically adjusts itself and the control signal of the seeker head detector is superimposed on the final approach with a target-typical storage signal. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Dämpfungsfilter ein elektrochromes Filter ist.A method according to claim 1, characterized in that the damping filter is an electrochromic filter.
EP97112411A 1996-08-03 1997-07-19 Missile seeker for use in a jamming environment Withdrawn EP0822383A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631435 1996-08-03
DE1996131435 DE19631435C1 (en) 1996-08-03 1996-08-03 Procedures for tracking failures

Publications (1)

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EP0822383A1 true EP0822383A1 (en) 1998-02-04

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EP97112411A Withdrawn EP0822383A1 (en) 1996-08-03 1997-07-19 Missile seeker for use in a jamming environment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2407745A1 (en) * 2010-07-15 2012-01-18 LFK-Lenkflugkörpersysteme GmbH Seeker for a missile

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014192B4 (en) * 2013-08-24 2022-05-12 Diehl Defence Gmbh & Co. Kg Method of protecting a protected object

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4531814A (en) * 1981-10-29 1985-07-30 Carl-Zeiss-Stiftung Method and apparatus for temporarily increasing the absorptance of optical transmitting components
US4554587A (en) * 1982-02-22 1985-11-19 Tokyo Shibaura Denki Kabushiki Kaisha Image pickup apparatus
US4843235A (en) * 1973-02-23 1989-06-27 United States Of America As Represented By The Secretary Of The Navy Devices for protection of sensors from damaging and interrogating radiation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141524C1 (en) * 1981-10-20 1983-02-24 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Method and device for filtering out interfering emitters in a device for optical guidance of missiles
DE3923489A1 (en) * 1989-07-15 1991-01-24 Messerschmitt Boelkow Blohm location imaging and missile guiding device - has receiver with several image sensors, operated in time parallel and liq. crystal allocated to respective sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843235A (en) * 1973-02-23 1989-06-27 United States Of America As Represented By The Secretary Of The Navy Devices for protection of sensors from damaging and interrogating radiation
US4531814A (en) * 1981-10-29 1985-07-30 Carl-Zeiss-Stiftung Method and apparatus for temporarily increasing the absorptance of optical transmitting components
US4554587A (en) * 1982-02-22 1985-11-19 Tokyo Shibaura Denki Kabushiki Kaisha Image pickup apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2407745A1 (en) * 2010-07-15 2012-01-18 LFK-Lenkflugkörpersysteme GmbH Seeker for a missile

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DE19631435C1 (en) 1998-03-12

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