GB1349678A - Underwater direction finding system - Google Patents

Underwater direction finding system

Info

Publication number
GB1349678A
GB1349678A GB2288971A GB2288971A GB1349678A GB 1349678 A GB1349678 A GB 1349678A GB 2288971 A GB2288971 A GB 2288971A GB 2288971 A GB2288971 A GB 2288971A GB 1349678 A GB1349678 A GB 1349678A
Authority
GB
United Kingdom
Prior art keywords
signal
signals
outputs
passed
acoustic
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
Application number
GB2288971A
Other languages
English (en)
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.)
Lockheed Martin Corp
Original Assignee
Sanders Associates Inc
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 Sanders Associates Inc filed Critical Sanders Associates Inc
Publication of GB1349678A publication Critical patent/GB1349678A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/803—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics
    • G01S3/8034—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics wherein the signals are derived simultaneously
    • G01S3/8036—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics wherein the signals are derived simultaneously derived directly from separate directional systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB2288971A 1970-03-16 1971-04-19 Underwater direction finding system Expired GB1349678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US019979A US3870989A (en) 1970-03-16 1970-03-16 Underwater direction signal processing system

Publications (1)

Publication Number Publication Date
GB1349678A true GB1349678A (en) 1974-04-10

Family

ID=21796107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2288971A Expired GB1349678A (en) 1970-03-16 1971-04-19 Underwater direction finding system

Country Status (6)

Country Link
US (1) US3870989A (enExample)
JP (1) JPS5015144B1 (enExample)
DE (1) DE2059155A1 (enExample)
FR (1) FR2083302A1 (enExample)
GB (1) GB1349678A (enExample)
NL (1) NL7103508A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5261499U (enExample) * 1975-10-29 1977-05-06
US4179682A (en) * 1978-08-03 1979-12-18 Sanders Associates, Inc. Tilt compensation for acoustic transducing system
US4173748A (en) * 1978-08-03 1979-11-06 Sanders Associates, Inc. Acoustic transducing system
US4170001A (en) * 1978-08-03 1979-10-02 Sanders Associates, Inc. Capacitor goniometer tilt compensation for acoustic transducing system
JPS5553638A (en) * 1978-10-14 1980-04-19 Tomohisa Koike Liquid combustor
DE3148734C2 (de) * 1981-12-09 1994-10-20 Atlas Elektronik Gmbh Vorrichtung zum Lenken eines Torpedos
DE3220175C2 (de) * 1982-05-28 1985-05-02 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Verfahren und Einrichtung zur akustischen Korrelationspeilung
US4800541A (en) * 1987-02-12 1989-01-24 Canadian Patents And Development Limited Method for underwater acoustic direction sensing
US4879694A (en) * 1988-03-04 1989-11-07 Rockwell International Corporation Difar demultiplexer circuit
US4868792A (en) * 1988-03-09 1989-09-19 Rockwell International Corporation Difar demultiplexer test circuit
CA1321827C (en) * 1988-12-19 1993-08-31 Bruce A. Armstrong Hydrophones and similar devices
GB2279456B (en) * 1989-07-24 1995-05-24 Marconi Gec Ltd Sonar direction finding
US6642796B2 (en) * 2002-02-15 2003-11-04 Radiodetection Limited Digital phase-quadrature oscillator
DE10337181B8 (de) * 2003-08-13 2005-08-25 Sennheiser Electronic Gmbh & Co. Kg Mikrofonanordnung
WO2016068821A1 (en) 2014-10-31 2016-05-06 Koc Bilgi Ve Savunma Teknolojileri A. S. Smart buoy which can carry out platform determination and recognition and a determination and recognition method using said buoy
CN115825868B (zh) * 2022-11-09 2025-11-21 中国科学院声学研究所 一种差频相干的匹配自积处理声源定位方法及系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3054053A (en) * 1958-02-20 1962-09-11 Reed Res Inc Passive detection and wave analyzer system
US3176262A (en) * 1960-04-06 1965-03-30 Raytheon Co Directional sonar systems
US3148351A (en) * 1961-06-12 1964-09-08 Bartlett Lab Inc Directional hydrophone system
US3461421A (en) * 1967-07-25 1969-08-12 Collins Radio Co Advanced direction finding sonobuoy system

Also Published As

Publication number Publication date
US3870989A (en) 1975-03-11
DE2059155A1 (de) 1971-10-07
NL7103508A (enExample) 1971-09-20
FR2083302A1 (enExample) 1971-12-17
JPS5015144B1 (enExample) 1975-06-03

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees