ATE280708T1 - METHOD FOR TORPEDO DEFENSE - Google Patents

METHOD FOR TORPEDO DEFENSE

Info

Publication number
ATE280708T1
ATE280708T1 AT00940415T AT00940415T ATE280708T1 AT E280708 T1 ATE280708 T1 AT E280708T1 AT 00940415 T AT00940415 T AT 00940415T AT 00940415 T AT00940415 T AT 00940415T AT E280708 T1 ATE280708 T1 AT E280708T1
Authority
AT
Austria
Prior art keywords
torpedo
ship
sonar
distance
defence
Prior art date
Application number
AT00940415T
Other languages
German (de)
Inventor
Hanns-Wilhelm Leuschner
Original Assignee
Atlas Elektronik Gmbh
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 Atlas Elektronik Gmbh filed Critical Atlas Elektronik Gmbh
Application granted granted Critical
Publication of ATE280708T1 publication Critical patent/ATE280708T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B63G9/02—Means for protecting vessels against torpedo attack

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Colloid Chemistry (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Magnetic Heads (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)

Abstract

The invention relates to an anti-torpedo defence method which is due to be implemented from a ship (10) which is attacked by torpedoes (16). For that purpose, said ship comprises a sonar system composed of an active on-board sonar (11) having a panoramic view with an astern gap and a towed sonar (12) at a distance from the ship (10). Said sonar system is due to locate a torpedo and a defence means located at a distance from the ship is used to protect said ship against the torpedo. The aim of the invention is to improve the anti-torpedo defence method in order to obtain a reliable protection, even against loud torpedoes from astern, by means of reduced technical means in the on-board sonar (12). For that purpose, said on-board sonar (12) passively locates a torpedo (16) from an astern region of the ship (10) and measures over time the frequency of at least one significant spectral line propagated by said torpedo (16). The distance (aT) to said torpedo (16) is determined continuously on the basis of the bearing excursion speed, the frequency of the spectral line and the rate of frequency change, and the defence means is activated from a predetermined distance.
AT00940415T 1999-07-28 2000-06-30 METHOD FOR TORPEDO DEFENSE ATE280708T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19935436A DE19935436B4 (en) 1999-07-28 1999-07-28 Torpedo defense method
PCT/EP2000/006101 WO2001008970A1 (en) 1999-07-28 2000-06-30 Anti-torpedo defence method

Publications (1)

Publication Number Publication Date
ATE280708T1 true ATE280708T1 (en) 2004-11-15

Family

ID=7916350

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00940415T ATE280708T1 (en) 1999-07-28 2000-06-30 METHOD FOR TORPEDO DEFENSE

Country Status (6)

Country Link
EP (1) EP1117587B1 (en)
AT (1) ATE280708T1 (en)
AU (1) AU5535600A (en)
DE (2) DE19935436B4 (en)
DK (1) DK1117587T3 (en)
WO (1) WO2001008970A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228681C1 (en) * 2002-06-27 2003-07-03 Stn Atlas Elektronik Gmbh Underwater body detection method uses evaluation of electroacoustic signals for detection of splash noise when body drops into water
DE102005058559B3 (en) * 2005-12-08 2006-12-14 Atlas Elektronik Gmbh Danger warning producing method for use during attacking of wake-controlled torpedo, involves comparing slew rate of cotangent with default value and releasing operating signal for warning alarm if cotangent exceeds default value
DE102016109105A1 (en) * 2016-05-18 2017-11-23 Atlas Elektronik Gmbh Watercraft for locating an underwater object
RU2654435C1 (en) * 2017-01-23 2018-05-17 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" Underwater vehicle-hunter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373773A (en) * 1981-08-06 1994-12-20 The United States Of American As Represented By The Secretary Of The Navy Anti-torpedo stern defense system
DE3519269C2 (en) * 1985-05-30 1993-12-02 Nord Systemtechnik Method for determining travel status data of an object

Also Published As

Publication number Publication date
EP1117587A1 (en) 2001-07-25
AU5535600A (en) 2001-02-19
DE19935436A1 (en) 2001-02-08
WO2001008970A1 (en) 2001-02-08
DE50008407D1 (en) 2004-12-02
DE19935436B4 (en) 2005-11-10
EP1117587B1 (en) 2004-10-27
DK1117587T3 (en) 2005-01-10

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Legal Events

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