GB2414800B - Sonar receiver with low side lobes - Google Patents

Sonar receiver with low side lobes

Info

Publication number
GB2414800B
GB2414800B GB0001907A GB0001907A GB2414800B GB 2414800 B GB2414800 B GB 2414800B GB 0001907 A GB0001907 A GB 0001907A GB 0001907 A GB0001907 A GB 0001907A GB 2414800 B GB2414800 B GB 2414800B
Authority
GB
United Kingdom
Prior art keywords
low side
side lobes
sonar receiver
sonar
receiver
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 - Fee Related
Application number
GB0001907A
Other versions
GB0001907D0 (en
GB2414800A (en
Inventor
Jack Marcus Keen
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.)
Thales Underwater Systems Ltd
Original Assignee
Thales Underwater Systems Ltd
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 Thales Underwater Systems Ltd filed Critical Thales Underwater Systems Ltd
Priority to GB0001907A priority Critical patent/GB2414800B/en
Priority to AU11086/01A priority patent/AU784529B1/en
Priority to FR0101089A priority patent/FR2902893B1/en
Publication of GB0001907D0 publication Critical patent/GB0001907D0/en
Publication of GB2414800A publication Critical patent/GB2414800A/en
Application granted granted Critical
Publication of GB2414800B publication Critical patent/GB2414800B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • 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
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • G10K11/346—Circuits therefor using phase variation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
GB0001907A 2000-01-27 2000-01-27 Sonar receiver with low side lobes Expired - Fee Related GB2414800B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0001907A GB2414800B (en) 2000-01-27 2000-01-27 Sonar receiver with low side lobes
AU11086/01A AU784529B1 (en) 2000-01-27 2001-01-03 Sonar receiver with low side lobes
FR0101089A FR2902893B1 (en) 2000-01-27 2001-01-26 SONAR RECEIVER WITH REDUCED LATERAL LOBES.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0001907A GB2414800B (en) 2000-01-27 2000-01-27 Sonar receiver with low side lobes

Publications (3)

Publication Number Publication Date
GB0001907D0 GB0001907D0 (en) 2005-02-23
GB2414800A GB2414800A (en) 2005-12-07
GB2414800B true GB2414800B (en) 2006-05-31

Family

ID=34224499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0001907A Expired - Fee Related GB2414800B (en) 2000-01-27 2000-01-27 Sonar receiver with low side lobes

Country Status (3)

Country Link
AU (1) AU784529B1 (en)
FR (1) FR2902893B1 (en)
GB (1) GB2414800B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3076355B1 (en) * 2017-12-28 2021-03-12 Thales Sa MEASURING DEVICE INTENDED TO BE SUBMERSIBLE
GB2606191A (en) * 2021-04-29 2022-11-02 Secr Defence A method and system for directional processing of audio information

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023940A (en) * 1978-06-15 1980-01-03 Plessey Co Ltd Directional arrays
GB2042725A (en) * 1979-02-21 1980-09-24 Sperry Corp Sonar Detection System
US4662223A (en) * 1985-10-31 1987-05-05 General Electric Company Method and means for steering phased array scanner in ultrasound imaging system
GB2196119A (en) * 1985-10-07 1988-04-20 Plessey Co Plc Acoustic signal detection
GB1605336A (en) * 1976-11-05 1991-12-18 Secr Defence Improvements in or relating to solar beam forcing systems
US5091892A (en) * 1983-05-13 1992-02-25 Allied-Signal Inc. Expandable sonar array structure
US5377166A (en) * 1994-01-25 1994-12-27 Martin Marietta Corporation Polyhedral directional transducer array
GB2287537A (en) * 1994-03-16 1995-09-20 Ferranti Thomson Sonar Systems Passive sonar transducer arrangement
GB2315603A (en) * 1996-07-24 1998-02-04 Hazeltine Corp Antenna system
GB2366618A (en) * 1989-07-28 2002-03-13 Secr Defence Towed sonar arrays

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE702103C (en) * 1938-04-01 1941-01-30 Electroacustic Gmbh Device for unidirectional transmission of a sound beam limited on all sides
US3141148A (en) * 1960-12-27 1964-07-14 Honeywell Regulator Co Underwater sound apparatus
FR2604530B1 (en) * 1986-09-26 1988-12-09 Thomson Csf DEPLOYABLE CYLINDRICAL SONAR
GB2233093B (en) * 1989-03-31 1993-02-10 Plessey Co Plc Improvements relating to acoustic sensing arrangements

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1605336A (en) * 1976-11-05 1991-12-18 Secr Defence Improvements in or relating to solar beam forcing systems
GB2023940A (en) * 1978-06-15 1980-01-03 Plessey Co Ltd Directional arrays
GB2042725A (en) * 1979-02-21 1980-09-24 Sperry Corp Sonar Detection System
US5091892A (en) * 1983-05-13 1992-02-25 Allied-Signal Inc. Expandable sonar array structure
GB2196119A (en) * 1985-10-07 1988-04-20 Plessey Co Plc Acoustic signal detection
US4662223A (en) * 1985-10-31 1987-05-05 General Electric Company Method and means for steering phased array scanner in ultrasound imaging system
GB2366618A (en) * 1989-07-28 2002-03-13 Secr Defence Towed sonar arrays
US5377166A (en) * 1994-01-25 1994-12-27 Martin Marietta Corporation Polyhedral directional transducer array
GB2287537A (en) * 1994-03-16 1995-09-20 Ferranti Thomson Sonar Systems Passive sonar transducer arrangement
GB2315603A (en) * 1996-07-24 1998-02-04 Hazeltine Corp Antenna system

Also Published As

Publication number Publication date
FR2902893B1 (en) 2009-05-29
AU784529B1 (en) 2006-04-27
GB0001907D0 (en) 2005-02-23
GB2414800A (en) 2005-12-07
FR2902893A1 (en) 2007-12-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20170622 AND 20170628

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180127