FI834639A - Pao en flerstraoleparameterantenn baserat akustiskt system. - Google Patents
Pao en flerstraoleparameterantenn baserat akustiskt system. Download PDFInfo
- Publication number
- FI834639A FI834639A FI834639A FI834639A FI834639A FI 834639 A FI834639 A FI 834639A FI 834639 A FI834639 A FI 834639A FI 834639 A FI834639 A FI 834639A FI 834639 A FI834639 A FI 834639A
- Authority
- FI
- Finland
- Prior art keywords
- flerstraoleparameterantenn
- akustiskt
- baserat
- pao
- flerstraoleparameterantenn baserat
- Prior art date
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
-
- 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
- G10K11/343—Circuits therefor using frequency variation or different frequencies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/024—Mixtures
- G01N2291/02491—Materials with nonlinear acoustic properties
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8221228A FR2538124B1 (fr) | 1982-12-17 | 1982-12-17 | Systeme acoustique a antennes parametriques multifaisceaux |
Publications (2)
Publication Number | Publication Date |
---|---|
FI834639A0 FI834639A0 (fi) | 1983-12-16 |
FI834639A true FI834639A (fi) | 1984-06-18 |
Family
ID=9280235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI834639A FI834639A (fi) | 1982-12-17 | 1983-12-16 | Pao en flerstraoleparameterantenn baserat akustiskt system. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0114547A3 (fi) |
FI (1) | FI834639A (fi) |
FR (1) | FR2538124B1 (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2653564B1 (fr) * | 1989-10-20 | 1992-01-24 | Thomson Csf | Procede de formation de voies pour sonar. |
DE102011079706A1 (de) * | 2011-07-25 | 2013-01-31 | Robert Bosch Gmbh | Verfahren zur Bestimmung der Größe und der Position von Objekten |
RU2582897C2 (ru) * | 2014-04-14 | 2016-04-27 | Общество с ограниченной ответственностью "Морские Инновации" | Излучающий тракт параметрического гидролокатора |
RU187455U1 (ru) * | 2018-12-27 | 2019-03-06 | Общество с ограниченной ответственностью "Маринн 3Д" | Многочастотный эхолот-профилограф |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1360901A (en) * | 1971-02-01 | 1974-07-24 | Raytheon Co | Communication system utilizing a dispersive transmission medium |
US3824531A (en) * | 1973-01-15 | 1974-07-16 | Raytheon Co | Plural beam steering system |
GB1486068A (en) * | 1974-03-28 | 1977-09-14 | Simrad As | Echo sounder systems utilizing non-linear acoustic signal interaction |
DE3113261A1 (de) * | 1981-04-02 | 1982-10-21 | Fried. Krupp Gmbh, 4300 Essen | "echolot" |
-
1982
- 1982-12-17 FR FR8221228A patent/FR2538124B1/fr not_active Expired
-
1983
- 1983-12-13 EP EP83402406A patent/EP0114547A3/fr not_active Withdrawn
- 1983-12-16 FI FI834639A patent/FI834639A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0114547A2 (fr) | 1984-08-01 |
FR2538124A1 (fr) | 1984-06-22 |
EP0114547A3 (fr) | 1984-08-08 |
FI834639A0 (fi) | 1983-12-16 |
FR2538124B1 (fr) | 1986-02-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: THOMSON-CSF |