FI834639A0 - PAO EN FLERSTRAOLEPARAMETERANTENN BASERAT AKUSTISKT SYSTEM - Google Patents

PAO EN FLERSTRAOLEPARAMETERANTENN BASERAT AKUSTISKT SYSTEM

Info

Publication number
FI834639A0
FI834639A0 FI834639A FI834639A FI834639A0 FI 834639 A0 FI834639 A0 FI 834639A0 FI 834639 A FI834639 A FI 834639A FI 834639 A FI834639 A FI 834639A FI 834639 A0 FI834639 A0 FI 834639A0
Authority
FI
Finland
Prior art keywords
flerstraoleparameterantenn
akustiskt
baserat
pao
flerstraoleparameterantenn baserat
Prior art date
Application number
FI834639A
Other languages
Finnish (fi)
Other versions
FI834639A (en
Inventor
Wladyslaw Nalewajk
Francois Peynaud
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of FI834639A0 publication Critical patent/FI834639A0/en
Publication of FI834639A publication Critical patent/FI834639A/en

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
FI834639A 1982-12-17 1983-12-16 PAO EN FLERSTRAOLEPARAMETERANTENN BASERAT AKUSTISKT SYSTEM. FI834639A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221228A FR2538124B1 (en) 1982-12-17 1982-12-17 ACOUSTIC SYSTEM WITH MULTI-BEAM PARAMETRIC ANTENNAS

Publications (2)

Publication Number Publication Date
FI834639A0 true FI834639A0 (en) 1983-12-16
FI834639A FI834639A (en) 1984-06-18

Family

ID=9280235

Family Applications (1)

Application Number Title Priority Date Filing Date
FI834639A FI834639A (en) 1982-12-17 1983-12-16 PAO EN FLERSTRAOLEPARAMETERANTENN BASERAT AKUSTISKT SYSTEM.

Country Status (3)

Country Link
EP (1) EP0114547A3 (en)
FI (1) FI834639A (en)
FR (1) FR2538124B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2653564B1 (en) * 1989-10-20 1992-01-24 Thomson Csf TRACK FORMING PROCESS FOR SONAR.
DE102011079706A1 (en) * 2011-07-25 2013-01-31 Robert Bosch Gmbh Method for determining the size and position of objects
RU2582897C2 (en) * 2014-04-14 2016-04-27 Общество с ограниченной ответственностью "Морские Инновации" Radiating channel of parametric sonar
RU187455U1 (en) * 2018-12-27 2019-03-06 Общество с ограниченной ответственностью "Маринн 3Д" Multi-frequency echo sounder profilograph

Family Cites Families (4)

* Cited by examiner, † Cited by third party
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 (en) * 1981-04-02 1982-10-21 Fried. Krupp Gmbh, 4300 Essen Echo sounder

Also Published As

Publication number Publication date
EP0114547A3 (en) 1984-08-08
FI834639A (en) 1984-06-18
FR2538124A1 (en) 1984-06-22
FR2538124B1 (en) 1986-02-07
EP0114547A2 (en) 1984-08-01

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: THOMSON-CSF