AU587684B2 - A process for detecting underwater objects - Google Patents

A process for detecting underwater objects

Info

Publication number
AU587684B2
AU587684B2 AU69285/87A AU6928587A AU587684B2 AU 587684 B2 AU587684 B2 AU 587684B2 AU 69285/87 A AU69285/87 A AU 69285/87A AU 6928587 A AU6928587 A AU 6928587A AU 587684 B2 AU587684 B2 AU 587684B2
Authority
AU
Australia
Prior art keywords
underwater objects
detecting underwater
detecting
objects
underwater
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.)
Ceased
Application number
AU69285/87A
Other versions
AU6928587A (en
Inventor
Egidius Arens
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.)
Fried Krupp AG
Original Assignee
Fried Krupp 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 Fried Krupp AG filed Critical Fried Krupp AG
Publication of AU6928587A publication Critical patent/AU6928587A/en
Application granted granted Critical
Publication of AU587684B2 publication Critical patent/AU587684B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/539—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AU69285/87A 1986-04-14 1987-02-26 A process for detecting underwater objects Ceased AU587684B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3612526 1986-04-14
DE19863612526 DE3612526A1 (en) 1986-04-14 1986-04-14 METHOD FOR DETECTING UNDERWATER OBJECTS

Publications (2)

Publication Number Publication Date
AU6928587A AU6928587A (en) 1987-10-15
AU587684B2 true AU587684B2 (en) 1989-08-24

Family

ID=6298653

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69285/87A Ceased AU587684B2 (en) 1986-04-14 1987-02-26 A process for detecting underwater objects

Country Status (3)

Country Link
EP (1) EP0241737B1 (en)
AU (1) AU587684B2 (en)
DE (2) DE3612526A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811479A1 (en) * 1988-04-06 1989-10-19 Bosch Gmbh Robert METHOD FOR IDENTIFYING OBJECTS
DE3941260C1 (en) * 1989-12-14 1993-10-21 Eltro Gmbh Target detection device for anti-missile rocket weapon head - detects characteristic resonance of missile stimulated by transmitted ranging pulses to activate detonation
US5025423A (en) * 1989-12-21 1991-06-18 At&T Bell Laboratories Enhanced bottom sonar system
EP0654676B1 (en) * 1993-11-24 1999-05-12 STN ATLAS Elektronik GmbH Method for determining the fundamental frequencies of the frequency spectrum of an acoustic locating device
CN102589675B (en) * 2012-03-14 2013-04-24 南京埃斯顿自动控制技术有限公司 Method for measuring mechanical resonance frequency by using servo driver
US20220220417A1 (en) * 2021-01-12 2022-07-14 Johnson & Johnson Vision Care, Inc. Compositions for Ophthalmologic Devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716823A (en) * 1960-12-15 1973-02-13 Us Navy Polychromatic sonar object identification system
US4322974A (en) * 1980-02-05 1982-04-06 New York University Ultrasound scanner
GB2085591A (en) * 1980-10-15 1982-04-28 Krupp Gmbh Method of Classifying Underwater Objects

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732533A (en) * 1966-04-04 1973-05-08 Vadys Ass Ltd Underwater explosive-acoustic transducer and systems
US3705381A (en) * 1968-03-12 1972-12-05 Us Navy Resonant target sonar system
US3603919A (en) * 1969-02-27 1971-09-07 Univ Kansas State Poly-panchromatic target identification
JPS56147082A (en) * 1980-04-17 1981-11-14 Yoshinori Hayakawa Method and device for quantitative ultrasonic inspection using plural frequencies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716823A (en) * 1960-12-15 1973-02-13 Us Navy Polychromatic sonar object identification system
US4322974A (en) * 1980-02-05 1982-04-06 New York University Ultrasound scanner
GB2085591A (en) * 1980-10-15 1982-04-28 Krupp Gmbh Method of Classifying Underwater Objects

Also Published As

Publication number Publication date
DE3768126D1 (en) 1991-04-04
EP0241737A3 (en) 1988-04-27
DE3612526A1 (en) 1987-10-15
EP0241737A2 (en) 1987-10-21
EP0241737B1 (en) 1991-02-27
AU6928587A (en) 1987-10-15

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