DE69212155T2 - Verfahren zur Bildung mehrerer Sonarstrahlen und Vorrichtung dazu - Google Patents
Verfahren zur Bildung mehrerer Sonarstrahlen und Vorrichtung dazuInfo
- Publication number
- DE69212155T2 DE69212155T2 DE69212155T DE69212155T DE69212155T2 DE 69212155 T2 DE69212155 T2 DE 69212155T2 DE 69212155 T DE69212155 T DE 69212155T DE 69212155 T DE69212155 T DE 69212155T DE 69212155 T2 DE69212155 T2 DE 69212155T2
- Authority
- DE
- Germany
- Prior art keywords
- device therefor
- forming multiple
- sonar beams
- multiple sonar
- beams
- 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
Links
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
- G01S3/801—Details
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9106390A FR2677132B1 (fr) | 1991-05-28 | 1991-05-28 | Procede de formation d'une pluralite de voies de sonar et dispositif pour la mise en óoeuvre dudit procede. |
PCT/FR1992/000390 WO1992021991A1 (fr) | 1991-05-28 | 1992-04-30 | Procede de formation d'une pluralite de voies de sonar et dispositif pour la mise en ×uvre dudit procede |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69212155D1 DE69212155D1 (de) | 1996-08-14 |
DE69212155T2 true DE69212155T2 (de) | 1996-11-28 |
Family
ID=9413190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69212155T Expired - Fee Related DE69212155T2 (de) | 1991-05-28 | 1992-04-30 | Verfahren zur Bildung mehrerer Sonarstrahlen und Vorrichtung dazu |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0586460B1 (de) |
DE (1) | DE69212155T2 (de) |
FR (1) | FR2677132B1 (de) |
WO (1) | WO1992021991A1 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2413666A1 (fr) * | 1977-12-28 | 1979-07-27 | Tech Radioelect Electro Fs | Procede et installation pour former des voies dans un appareil sonar |
US4170766A (en) * | 1978-01-27 | 1979-10-09 | Raytheon Company | Beamformer |
FR2432176A1 (fr) * | 1978-07-25 | 1980-02-22 | Thomson Csf | Formation de voies sonar par des dispositifs a transfert de charge |
GB2192061B (en) * | 1986-06-27 | 1990-08-01 | Plessey Co Plc | Sonar systems |
-
1991
- 1991-05-28 FR FR9106390A patent/FR2677132B1/fr not_active Expired - Fee Related
-
1992
- 1992-04-30 EP EP92910723A patent/EP0586460B1/de not_active Expired - Lifetime
- 1992-04-30 DE DE69212155T patent/DE69212155T2/de not_active Expired - Fee Related
- 1992-04-30 WO PCT/FR1992/000390 patent/WO1992021991A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0586460A1 (de) | 1994-03-16 |
DE69212155D1 (de) | 1996-08-14 |
WO1992021991A1 (fr) | 1992-12-10 |
EP0586460B1 (de) | 1996-07-10 |
FR2677132A1 (fr) | 1992-12-04 |
FR2677132B1 (fr) | 1993-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |