AU784529B1 - Sonar receiver with low side lobes - Google Patents
Sonar receiver with low side lobes Download PDFInfo
- Publication number
- AU784529B1 AU784529B1 AU11086/01A AU1108601A AU784529B1 AU 784529 B1 AU784529 B1 AU 784529B1 AU 11086/01 A AU11086/01 A AU 11086/01A AU 1108601 A AU1108601 A AU 1108601A AU 784529 B1 AU784529 B1 AU 784529B1
- Authority
- AU
- Australia
- Prior art keywords
- beamformer
- sensor
- transmitter
- elements
- beamformers
- 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
Links
- 230000001934 delay Effects 0.000 claims description 12
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0001907A GB2414800B (en) | 2000-01-27 | 2000-01-27 | Sonar receiver with low side lobes |
GB0001907 | 2000-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU784529B1 true AU784529B1 (en) | 2006-04-27 |
Family
ID=34224499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU11086/01A Ceased AU784529B1 (en) | 2000-01-27 | 2001-01-03 | Sonar receiver with low side lobes |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU784529B1 (fr) |
FR (1) | FR2902893B1 (fr) |
GB (1) | GB2414800B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3076355B1 (fr) * | 2017-12-28 | 2021-03-12 | Thales Sa | Dispositif de mesure destine a etre immerge |
GB2606191A (en) * | 2021-04-29 | 2022-11-02 | Secr Defence | A method and system for directional processing of audio information |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE702103C (de) * | 1938-04-01 | 1941-01-30 | Electroacustic Gmbh | Einrichtung zum einseitig gerichteten Senden eines allseitig begrenzten Schallstrahles |
US3141148A (en) * | 1960-12-27 | 1964-07-14 | Honeywell Regulator Co | Underwater sound apparatus |
GB1605336A (en) * | 1976-11-05 | 1991-12-18 | Secr Defence | Improvements in or relating to solar beam forcing systems |
GB2023940B (en) * | 1978-06-15 | 1983-02-02 | Plessey Co Ltd | Directional arrays |
GB2196119B (en) * | 1985-10-07 | 1989-09-20 | Plessey Co Plc | Improvements in or relating to a method and to a system for 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 |
FR2604530B1 (fr) * | 1986-09-26 | 1988-12-09 | Thomson Csf | Sonar cylindrique deployable |
GB2233093B (en) * | 1989-03-31 | 1993-02-10 | Plessey Co Plc | Improvements relating to acoustic sensing arrangements |
GB8917275D0 (en) * | 1989-07-28 | 2001-10-17 | Secr Defence | Reduction of low frequency vibration noise in towed arrays |
US5377166A (en) * | 1994-01-25 | 1994-12-27 | Martin Marietta Corporation | Polyhedral directional transducer array |
GB2287537B (en) * | 1994-03-16 | 1997-11-05 | Ferranti Thomson Sonar Systems | Passive sonar transducer arrangement |
US5764195A (en) * | 1996-07-24 | 1998-06-09 | Hazeltine Corporation | UHF/VHF multifunction ocean antenna system |
-
2000
- 2000-01-27 GB GB0001907A patent/GB2414800B/en not_active Expired - Fee Related
-
2001
- 2001-01-03 AU AU11086/01A patent/AU784529B1/en not_active Ceased
- 2001-01-26 FR FR0101089A patent/FR2902893B1/fr not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
FR2902893A1 (fr) | 2007-12-28 |
GB0001907D0 (en) | 2005-02-23 |
GB2414800B (en) | 2006-05-31 |
FR2902893B1 (fr) | 2009-05-29 |
GB2414800A (en) | 2005-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9496611B2 (en) | System and method for coherent processing of signals of a plurality of phased arrays | |
US5911692A (en) | Sparse two-dimensional wideband ultrasound transducer arrays | |
US20040120532A1 (en) | Method of broadband constant directivity beamforming for non linear and non axi-symmetric sensor arrays embedded in an obstacle | |
JPS59139789A (ja) | 整相アレイトランスジユ−サ | |
US5838284A (en) | Spiral-shaped array for broadband imaging | |
US4314098A (en) | Reversible electroacoustic transducer device having a constant directivity characteristic over a wide frequency band | |
US3852708A (en) | Multiple element phased array with shaded sub-element groups | |
AU2010210000B2 (en) | Electronic baffling of sensor arrays | |
US20060114148A1 (en) | Robust optimal shading scheme for adaptive beamforming with missing sensor elements | |
US5596550A (en) | Low cost shading for wide sonar beams | |
US4661938A (en) | Sonar apparatus | |
Tager | Near field superdirectivity (NFSD) | |
AU784529B1 (en) | Sonar receiver with low side lobes | |
Chan et al. | Theory and design of uniform concentric circular arrays with frequency invariant characteristics [sensor arrays] | |
Rashida et al. | High Resolution Wideband Acoustic Beamforming and Underwater Target Localization using 64-Element Linear Hydrophone Array | |
US4480324A (en) | Constant beamwidth frequency independent acoustic antenna | |
Rahaman et al. | Performane analysis of linearly-arranged concentric circular antenna array using robust ODL technique | |
Tawfik | A generic processing structure decomposing the beamforming process of 2-D and 3-D arrays of sensors into sub-sets of coherent process | |
JP7447513B2 (ja) | ソーナー装置と目標方位算出方法及びプログラム | |
RU2169439C1 (ru) | Способ формирования характеристики направленности гидроакустической антенны | |
Tawfik et al. | A generic beamforming structure allowing implementation of adaptive processing schemes for 2-D and 3-D arrays of sensors | |
Lardiès et al. | Localization of radiating sources by an acoustical array | |
Sheik Althaf et al. | Non-Uniform Linear Nested Array Implementation for Improved Beamforming and Optimization | |
JPS6224702A (ja) | アダプテイブアンテナ装置 | |
US6868043B1 (en) | Beam broadening with maximum power in array transducers |