EP0694752A2 - Verfahren zur Anzeigen der Beobachtungsrichtung eines Objektes und Vorrichtung zur Durchführung des Verfahrens - Google Patents

Verfahren zur Anzeigen der Beobachtungsrichtung eines Objektes und Vorrichtung zur Durchführung des Verfahrens Download PDF

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Publication number
EP0694752A2
EP0694752A2 EP95402120A EP95402120A EP0694752A2 EP 0694752 A2 EP0694752 A2 EP 0694752A2 EP 95402120 A EP95402120 A EP 95402120A EP 95402120 A EP95402120 A EP 95402120A EP 0694752 A2 EP0694752 A2 EP 0694752A2
Authority
EP
European Patent Office
Prior art keywords
representation
angle
reference position
objective
distance
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.)
Granted
Application number
EP95402120A
Other languages
English (en)
French (fr)
Other versions
EP0694752B1 (de
EP0694752A3 (de
Inventor
Jean-Paul Marcault
André Lucas
Alain Biolley
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.)
Sagem SA
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Publication of EP0694752A2 publication Critical patent/EP0694752A2/de
Publication of EP0694752A3 publication Critical patent/EP0694752A3/xx
Application granted granted Critical
Publication of EP0694752B1 publication Critical patent/EP0694752B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/14—Indirect aiming means

Definitions

  • Objective designation provides information to a weapon system to point the weapon in the direction of an objective, or target.
  • a target designation system includes detection means for monitoring a determined volume of space and for detecting the direction of any radiation from a target, in order to provide the weapon system with relative direction information of the target. 'goal.
  • the invention relates to a method for displaying this direction and to an apparatus for implementing the method.
  • the invention relates to a method of visualizing, on a two-dimensional visualization means, the direction of observation of an object of a scene observed by a system of designation of objective which determines, with respect to to a reference position, an azimuth angle and a site angle, process in which the azimuth angle is transferred to the display means in a corresponding direction from a representation of the reference position, characterized by the fact that the elevation angle is reported in the form of a representation of the object in the direction of the azimuth angle and at a distance, from the representation of the reference position, a function of l 'elevation angle.
  • the invention also relates to a display device for implementing the method of the invention, comprising display means arranged to report, from a representation of a reference position, an azimuth angle of an observed object, characterized in that it comprises calculation means arranged to determine, as a function of a value of the site angle of the object, a distance between a representation of the object and the representation of the reference position and to control the display means accordingly.
  • a target designation system 1 is associated with a weapon system 11, here an anti-aircraft defense system, having surface-to-air missiles and remote from the target designation system 1.
  • the two systems 1, 11 are connected by a data link 20.
  • the geographic positions of the two systems 1, 11 are known and their relative position is memorized in a memory 13 belonging to a computer 12 connected to the link 20 and located, in this example, in weapon system 11.
  • the objective designation system 1 comprises a passive detector 2, here infrared, which in this example is driven by a scanning device 3 around a vertical axis to monitor, in all directions of azimuth, a volume of space surrounding the lens designation system 1. This volume is here limited to a range of elevation angles of six degrees.
  • the detection signal at the output of the detector 2, associated with a signal representative of the corresponding angular position of the scanning device 3, are supplied to a computer 4 which determines the direction 10 of a detected objective 31, here an aircraft, expressed in elevation angle and azimuth angle, relative to a reference linked to the objective designation system 1.
  • the straight line 10 of the objective direction 31 corresponds, within the limit of the range 32 of the detector 2, to a set of possible positions of objective 31.
  • a digital signal 5 of data representative of the direction 10 of the objective 31 is transmitted on the link 20 by the computer 4 to the computer 12 of the weapon system 11.
  • the computer 12 determines by triangulation, by means of the relative position memorized in the memory 13, a set of possible positions of the objective 31, (segment 33, between the detector 2 and the point 32), in a coordinate system linked to the weapon system 11 and calculates corresponding firing directions passing through these possible positions 33 and the weapon system 11, and the weapon system 11 scans these firing directions (30, 30A) under the control of the computer 12.
  • the latter could also have been arranged in the system 1 for designation of objective and control the scanning through the link 20.
  • the weapon system 11 proceeds to scanning in a plane containing the objective direction 10.
  • the weapon system 11 has, as here, missiles
  • missiles it can be provided that they are launched in one of the firing directions and that a missile self-director carries out the scanning to acquire the image of the lens.
  • the shooting can also be carried out after acquisition of the objective 31 by the self-director.
  • the weapon system 11 can determine its distance from objective 31 in order to compare it with its firing range and provide a corresponding indication to an operator of the system.
  • the weapon system does not have any detector, it should then fire ammunition in all possible directions of fire indicated above.
  • the latter comprises a display console 6 associated with a computer 7 receiving, from the computer 4, the digital signal 5 of elevation angle and azimuth of the objective 31.
  • the computer 7 converts the digital signal 5 into an analog video signal symbolically representing the objective 31. It can be expected that this symbolic representation depends on the values of the azimuth and site angles.
  • the video signal is applied to a video control circuit 7V to be inserted into a video signal scanning a whole screen 8 of the console 6.
  • the computer 7 also provides, to circuit 7V, commands for positioning the image 41 of the image. objective 31 on screen 8, which are a function of the values 5 of the azimuth and elevation angles.
  • the objective designation system 1 is represented at the central point of the screen 8 and a crown 9 centered on this point is provided to receive the symbolic representation 41 of the objective 31.
  • a deflector circuit of the circuit 7V is controlled from the positioning commands of the computer 7, that is to say as a function of the azimuth and elevation angles, in order to deflect the scanning beam from the screen 8 in such a way that the symbolic representation 41 is carried, relative to the center of the screen 8, in the direction of azimuth detected and that this symbolic representation 41 is more or less close to the internal edge of the crown 9 depending on whether the angle of site detected is more or less close to the lower value of its detection range.
  • Objectives for which the distance to the objective designation system 1 is known approximately are also marked in polar coordinates (distance, azimuth) in the circle surrounded by the crown 9, on which are reported, around the position 40 of the objective designation system 1, the positions of several weapon systems, here four, the covered area 44- 47 by each of these, as well as the only characteristic points of the landscape.
  • the objective designation system can determine, by successive measurements, a speed and an acceleration of objective 31, the operator of the system can choose to activate the defense missile best placed to intercept objective 31
  • the estimated trajectory 42 followed by the latter and its estimated speed vector 43 are also represented associated with its image 41.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Feedback Control In General (AREA)
  • Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
EP95402120A 1993-10-21 1994-09-27 Verfahren zur Anzeigen der Beobachtungsrichtung eines Objektes und Vorrichtung zur Durchführung des Verfahrens Expired - Lifetime EP0694752B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9312560A FR2711781B1 (fr) 1993-10-21 1993-10-21 Procédé d'exploitation d'un système d'arme déporté par rapport à un système de désignation d'objectif et ensemble de ces systèmes pour mettre en Óoeuvre le procédé.
FR9312560 1993-10-21
EP94402147A EP0650026B1 (de) 1993-10-21 1994-09-27 Verfahren zum Betrieb eines im Vergleich zum Zielerfassungssystem versetzten Waltensystems und Gesamtheit dieser Systeme zur Durchführung des Verfahrens

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP94402147A Division EP0650026B1 (de) 1993-10-21 1994-09-27 Verfahren zum Betrieb eines im Vergleich zum Zielerfassungssystem versetzten Waltensystems und Gesamtheit dieser Systeme zur Durchführung des Verfahrens
EP94402147.6 Division 1994-09-27

Publications (3)

Publication Number Publication Date
EP0694752A2 true EP0694752A2 (de) 1996-01-31
EP0694752A3 EP0694752A3 (de) 1996-02-14
EP0694752B1 EP0694752B1 (de) 1999-07-07

Family

ID=9452079

Family Applications (2)

Application Number Title Priority Date Filing Date
EP94402147A Expired - Lifetime EP0650026B1 (de) 1993-10-21 1994-09-27 Verfahren zum Betrieb eines im Vergleich zum Zielerfassungssystem versetzten Waltensystems und Gesamtheit dieser Systeme zur Durchführung des Verfahrens
EP95402120A Expired - Lifetime EP0694752B1 (de) 1993-10-21 1994-09-27 Verfahren zur Anzeigen der Beobachtungsrichtung eines Objektes und Vorrichtung zur Durchführung des Verfahrens

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP94402147A Expired - Lifetime EP0650026B1 (de) 1993-10-21 1994-09-27 Verfahren zum Betrieb eines im Vergleich zum Zielerfassungssystem versetzten Waltensystems und Gesamtheit dieser Systeme zur Durchführung des Verfahrens

Country Status (4)

Country Link
EP (2) EP0650026B1 (de)
AT (2) ATE184394T1 (de)
DE (2) DE69420508D1 (de)
FR (1) FR2711781B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19716227C2 (de) * 1997-04-18 2000-10-05 Rheinmetall W & M Gmbh Waffensystem mit einer einen Mikrocontroller enthaltenden Munitionseinheit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1336051A (fr) * 1947-05-29 1963-08-30 Monsieur Le Ministre De L Air Périscope électronique
IT1070381B (it) * 1976-06-01 1985-03-29 Galileo Spa Off Congegno di puntamento e di calcolo per tiro antiaereo
SE420766B (sv) * 1978-01-18 1981-10-26 Bofors Ab Eldledningsanordning
FR2542863B1 (fr) * 1983-03-17 1987-02-27 Sfim Systeme heliporte de localisation et de determination des parametres de deplacement d'une cible, et procede pour sa mise en oeuvre
CH665476A5 (en) * 1985-01-09 1988-05-13 Oerlikon Buehrle Ag Optical target sight e.g. for anti-aircraft gun - has coupled viewfinders with cross-wire and target direction display respectively
ATE105628T1 (de) * 1988-09-23 1994-05-15 Contraves Ag Verfahren und visiereinrichtung zum grobausrichten von feuerleit- und waffenanlagen.
FR2670037A1 (fr) * 1990-12-04 1992-06-05 Thomson Csf Dispositif de designation d'objectif.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
DE69420508D1 (de) 1999-10-14
EP0694752B1 (de) 1999-07-07
ATE184394T1 (de) 1999-09-15
DE69510612T2 (de) 2000-05-04
FR2711781A1 (fr) 1995-05-05
ATE182003T1 (de) 1999-07-15
EP0650026A1 (de) 1995-04-26
DE69510612D1 (de) 1999-08-12
EP0694752A3 (de) 1996-02-14
EP0650026B1 (de) 1999-09-08
FR2711781B1 (fr) 1996-01-12

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