FR2415925A1 - Dispositif de formation de faisceau - Google Patents

Dispositif de formation de faisceau

Info

Publication number
FR2415925A1
FR2415925A1 FR7901742A FR7901742A FR2415925A1 FR 2415925 A1 FR2415925 A1 FR 2415925A1 FR 7901742 A FR7901742 A FR 7901742A FR 7901742 A FR7901742 A FR 7901742A FR 2415925 A1 FR2415925 A1 FR 2415925A1
Authority
FR
France
Prior art keywords
samples
delays
interval
filter
beamforming
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.)
Granted
Application number
FR7901742A
Other languages
English (en)
Other versions
FR2415925B1 (fr
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of FR2415925A1 publication Critical patent/FR2415925A1/fr
Application granted granted Critical
Publication of FR2415925B1 publication Critical patent/FR2415925B1/fr
Expired legal-status Critical Current

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
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/805—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal
    • 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
    • G10K11/345—Circuits therefor using energy switching from one active element to another
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/905—Side lobe reduction or shading

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

L'invention concerne un dispositif de formation de faisceau à partir d'un groupe d'échantillons de signaux provenant d'un réseau d'éléments tels que des transducteurs. Des séries d'échantillons provenant de chaque transducteur sont retardées de retards qui sont des fractions de l'intervalle entre les échantillons. Les séries d'échantillons avec les retards sont appliqués à un filtre commun de formation de faisceau dont la largeur de bande est suffisante pour laisser passer ces signaux. La réponse en impulsions du filtre est supérieure à l'intervalle entre échantillons de manière à former un faisceau égal à la somme des signaux régénérés. Le diagramme de rayonnement du faisceau est indépendant de la fréquence d'échantillonnage. L'invention s'applique notamment à un appareil sonar remorqué par un navire.
FR7901742A 1978-01-27 1979-01-24 Dispositif de formation de faisceau Expired FR2415925B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/873,042 US4170766A (en) 1978-01-27 1978-01-27 Beamformer

Publications (2)

Publication Number Publication Date
FR2415925A1 true FR2415925A1 (fr) 1979-08-24
FR2415925B1 FR2415925B1 (fr) 1986-07-25

Family

ID=25360876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901742A Expired FR2415925B1 (fr) 1978-01-27 1979-01-24 Dispositif de formation de faisceau

Country Status (7)

Country Link
US (1) US4170766A (fr)
JP (1) JPS54113357A (fr)
CA (1) CA1124826A (fr)
DE (1) DE2903045C2 (fr)
FR (1) FR2415925B1 (fr)
GB (1) GB2013446B (fr)
IT (1) IT1114481B (fr)

Families Citing this family (72)

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FR2432176A1 (fr) * 1978-07-25 1980-02-22 Thomson Csf Formation de voies sonar par des dispositifs a transfert de charge
US4254417A (en) * 1979-08-20 1981-03-03 The United States Of America As Represented By The Secretary Of The Navy Beamformer for arrays with rotational symmetry
US4336607A (en) * 1980-12-10 1982-06-22 The United States Of America As Represented By The Secretary Of The Navy Beamformer having random access memory delay
DE3048240A1 (de) * 1980-12-20 1982-07-29 Fried. Krupp Gmbh, 4300 Essen Schaltanordnung zum bilden von zeitlich aufeinanderfolgenden gruppensignalen und ihre aufbereitung
US4367542A (en) * 1981-03-23 1983-01-04 Phillips Petroleum Company Phase shifting of waveforms
FR2511158B1 (fr) * 1981-08-07 1985-07-19 Thomson Csf Systeme de formation de voies pour sonars panoramiques
US4500976A (en) * 1982-06-07 1985-02-19 Phillips Petroleum Company Seismic exploration
US4464739A (en) * 1982-07-26 1984-08-07 The United States Of America As Represented By The Secretary Of The Navy Sampled towed array telemetry
FR2535067A1 (fr) * 1982-10-22 1984-04-27 Thomson Csf Dispositif numerique de formation de voies sonar
US4559605A (en) * 1983-09-16 1985-12-17 The Boeing Company Method and apparatus for random array beamforming
US4620291A (en) * 1984-02-06 1986-10-28 Mcdonnell Douglas Corporation Digital-to-analog converter interpolator
DE3512519A1 (de) * 1985-04-06 1986-10-16 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zum abtasten
GB2192061B (en) * 1986-06-27 1990-08-01 Plessey Co Plc Sonar systems
FR2628265B1 (fr) * 1987-03-06 1990-12-21 Thomson Csf Antenne directive a transducteurs multiples notamment pour sonar
US4969132A (en) * 1987-05-21 1990-11-06 Hughes Aircarft Company Delay quantization technique to reduce steering errors in digital beamformers
US4837431A (en) * 1987-08-07 1989-06-06 Santa Barbara Research Center Variable phase time delay and signal aggregation system and method for achieving constant spatial resolution in scanning detection instruments
JPH0187277U (fr) * 1987-11-30 1989-06-08
FR2677132B1 (fr) * 1991-05-28 1993-08-06 Thomson Csf Procede de formation d'une pluralite de voies de sonar et dispositif pour la mise en óoeuvre dudit procede.
US5194873A (en) * 1991-10-11 1993-03-16 General Electric Company Antenna system providing a spherical radiation pattern
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US5345426A (en) * 1993-05-12 1994-09-06 Hewlett-Packard Company Delay interpolator for digital phased array ultrasound beamformers
US5657393A (en) * 1993-07-30 1997-08-12 Crow; Robert P. Beamed linear array microphone system
US5685308A (en) * 1994-08-05 1997-11-11 Acuson Corporation Method and apparatus for receive beamformer system
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US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
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US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
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US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
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US6989797B2 (en) * 1998-09-21 2006-01-24 Ipr Licensing, Inc. Adaptive antenna for use in wireless communication systems
US6933887B2 (en) * 1998-09-21 2005-08-23 Ipr Licensing, Inc. Method and apparatus for adapting antenna array using received predetermined signal
US6100843A (en) * 1998-09-21 2000-08-08 Tantivy Communications Inc. Adaptive antenna for use in same frequency networks
US6327221B1 (en) * 1999-09-20 2001-12-04 Honeywell International Inc. Steered beam ultrasonic sensor for object location and classification
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US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
ES2614202T3 (es) 2001-06-13 2017-05-30 Intel Corporation Método y aparato para la transmisión de una señal de latido de corazón a un nivel inferior que la solicitud de latido de corazón
CA2407242C (fr) 2001-10-10 2011-05-31 David I. Havelock Conformateur de faisceau utilisant des signaux composites pour reseau recepteur directionnel
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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375850A (fr) * 1963-08-26 1964-10-23 Csf Mémoire magnétique à balayage séquentiel
FR1407832A (fr) * 1964-06-26 1965-08-06 Csf Perfectionnements aux goniomètres acoustiques à large bande
GB1173365A (en) * 1965-08-30 1969-12-10 Magnavox Co Improvements in or relating to beam forming apparatus
FR2147078A1 (fr) * 1971-07-23 1973-03-09 Krupp Gmbh
US3852707A (en) * 1968-02-23 1974-12-03 Us Navy Sonar broadband constant beamwidth shading network
US3873958A (en) * 1973-12-26 1975-03-25 Us Navy Acoustic beam former
FR2243447A1 (fr) * 1973-09-11 1975-04-04 Cit Alcatel
FR2244180A1 (fr) * 1973-09-17 1975-04-11 France Etat
FR2294590A1 (fr) * 1974-12-10 1976-07-09 Cit Alcatel Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire
FR2355302A1 (fr) * 1976-06-17 1978-01-13 Raytheon Co Montage de formation de faisceau a signaux fortement ecretes

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US3356989A (en) * 1966-07-19 1967-12-05 Hughes Aircraft Co Analog beam forming apparatus
US3594718A (en) * 1966-12-30 1971-07-20 Texas Instruments Inc Shift register time compressor for sonar signal correlation
DE2045276A1 (de) * 1970-09-12 1972-03-16 Krupp Gmbh Verfahren und Vorrichtung zur Entfernungsermittlung nach der Rückstrahlortungsmethode
DE2136780C3 (de) * 1971-07-23 1975-08-28 Fried. Krupp Gmbh, 4300 Essen Schaltanordnung zum Bilden von zeitlich aufeinanderfolgenden Gruppensignalen aus Empfangssignalen, insbesondere in der Wasserschalltechnik

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375850A (fr) * 1963-08-26 1964-10-23 Csf Mémoire magnétique à balayage séquentiel
FR1407832A (fr) * 1964-06-26 1965-08-06 Csf Perfectionnements aux goniomètres acoustiques à large bande
GB1173365A (en) * 1965-08-30 1969-12-10 Magnavox Co Improvements in or relating to beam forming apparatus
US3852707A (en) * 1968-02-23 1974-12-03 Us Navy Sonar broadband constant beamwidth shading network
FR2147078A1 (fr) * 1971-07-23 1973-03-09 Krupp Gmbh
US3810082A (en) * 1971-07-23 1974-05-07 Krupp Gmbh Circuit arrangement for forming a time sequence of signals
FR2299649A1 (fr) * 1971-07-23 1976-08-27 Krupp Gmbh Montage permettant de former des signaux de groupe se succedant d
FR2243447A1 (fr) * 1973-09-11 1975-04-04 Cit Alcatel
FR2244180A1 (fr) * 1973-09-17 1975-04-11 France Etat
US3873958A (en) * 1973-12-26 1975-03-25 Us Navy Acoustic beam former
FR2294590A1 (fr) * 1974-12-10 1976-07-09 Cit Alcatel Dispositif de formation de voies utilisant des detecteurs repartis sur une base circulaire
FR2355302A1 (fr) * 1976-06-17 1978-01-13 Raytheon Co Montage de formation de faisceau a signaux fortement ecretes

Also Published As

Publication number Publication date
DE2903045A1 (de) 1979-08-02
CA1124826A (fr) 1982-06-01
GB2013446B (en) 1982-07-14
US4170766A (en) 1979-10-09
FR2415925B1 (fr) 1986-07-25
GB2013446A (en) 1979-08-08
JPS54113357A (en) 1979-09-04
IT7947801A0 (it) 1979-01-26
JPS6217712B2 (fr) 1987-04-18
IT1114481B (it) 1986-01-27
DE2903045C2 (de) 1982-05-19

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