NO157677C - Antennesystem med hoey opploesningseffekt. - Google Patents

Antennesystem med hoey opploesningseffekt.

Info

Publication number
NO157677C
NO157677C NO830049A NO830049A NO157677C NO 157677 C NO157677 C NO 157677C NO 830049 A NO830049 A NO 830049A NO 830049 A NO830049 A NO 830049A NO 157677 C NO157677 C NO 157677C
Authority
NO
Norway
Prior art keywords
antenna system
high solution
solution effect
effect
antenna
Prior art date
Application number
NO830049A
Other languages
English (en)
Other versions
NO157677B (no
NO830049L (no
Inventor
Georges Grall
Jacques Joseph
Claude Lemoine
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 NO830049L publication Critical patent/NO830049L/no
Publication of NO157677B publication Critical patent/NO157677B/no
Publication of NO157677C publication Critical patent/NO157677C/no

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
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
NO830049A 1982-01-08 1983-01-07 Antennesystem med hoey opploesningseffekt. NO157677C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8200236A FR2519770B1 (fr) 1982-01-08 1982-01-08 Systeme d'antenne a pouvoir separateur eleve

Publications (3)

Publication Number Publication Date
NO830049L NO830049L (no) 1983-07-11
NO157677B NO157677B (no) 1988-01-18
NO157677C true NO157677C (no) 1988-04-27

Family

ID=9269828

Family Applications (1)

Application Number Title Priority Date Filing Date
NO830049A NO157677C (no) 1982-01-08 1983-01-07 Antennesystem med hoey opploesningseffekt.

Country Status (6)

Country Link
US (1) US4510586A (no)
EP (1) EP0084466B1 (no)
CA (1) CA1197602A (no)
DE (1) DE3378076D1 (no)
FR (1) FR2519770B1 (no)
NO (1) NO157677C (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970703A (en) * 1984-05-10 1990-11-13 Magnavox Government And Industrial Electronics Company Switched capacitor waveform processing circuit
FR2598229B1 (fr) * 1984-10-30 1988-09-16 Thomson Csf Sonar interferometrique, a large bande et emission comprimee
JPS63150683A (ja) * 1986-12-16 1988-06-23 Fuji Electric Co Ltd 超音波送受波整合器
FR2628265B1 (fr) * 1987-03-06 1990-12-21 Thomson Csf Antenne directive a transducteurs multiples notamment pour sonar
FR2652164A1 (fr) * 1989-09-15 1991-03-22 Thomson Csf Procede de formation de voies pour sonar, notamment pour sonar remorque.
US5535176A (en) * 1993-06-28 1996-07-09 The United States Of America As Represented By The Secretary Of The Navy Method and system for sensing with an active acoustic array
FR2729041B1 (fr) * 1994-12-28 1997-01-31 Thomson Csf Procede d'emission acoustique pour sonar
FR2756931B1 (fr) * 1996-12-10 1999-02-19 Thomson Marconi Sonar Sas Sonar lateral a antenne synthetique
FR2765447B1 (fr) * 1997-06-30 2002-12-06 Thomson Marconi Sonar Sas Antenne d'emission acoustique pour prospection sismique sous-marine
EP0890849A1 (en) * 1997-07-10 1999-01-13 Imra Europe S.A. Acoustic lobe pattern combination method for improving mapping quality
FR2795527B1 (fr) 1999-06-22 2001-09-07 Thomson Marconi Sonar Sas Systeme de prospection sismique sous-marine, notamment pour grands fonds
FR2807278B1 (fr) * 2000-03-31 2005-11-25 Thomson Marconi Sonar Sas Dispositif pour controler la navigation d'un objet sous- marin remorque
JP4713752B2 (ja) * 2000-12-28 2011-06-29 財団法人国際科学振興財団 半導体装置およびその製造方法
US20060239119A1 (en) * 2005-03-08 2006-10-26 Northrop Grumman Corporation Multiple projectors for increased resolution receive beam processing of echoing sonars and radars
EP3211448B1 (en) 2011-05-06 2020-10-14 Hadal, Inc. Systems and methods for synthetic aperture sonar
AU2015210352B2 (en) * 2011-05-06 2015-10-01 Hadal, Inc. Systems and methods for low grating sidelobe synthetic aperture sonar
US9529082B1 (en) 2012-03-21 2016-12-27 Hadal, Inc. Systems and methods for bi-static or multi-static holographic navigation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458854A (en) * 1968-07-08 1969-07-29 Us Navy Echo detection and ranging system
FR2241078B1 (no) * 1973-08-16 1977-08-12 France Etat
FR2412177A1 (fr) * 1977-12-16 1979-07-13 Thomson Csf Systeme d'antenne a pouvoir separateur eleve
US4180792A (en) * 1978-03-09 1979-12-25 General Electric Company Transmit-receive transducer array and ultrasonic imaging system

Also Published As

Publication number Publication date
NO157677B (no) 1988-01-18
EP0084466B1 (fr) 1988-09-21
EP0084466A1 (fr) 1983-07-27
DE3378076D1 (en) 1988-10-27
CA1197602A (en) 1985-12-03
FR2519770B1 (fr) 1985-10-04
US4510586A (en) 1985-04-09
NO830049L (no) 1983-07-11
FR2519770A1 (fr) 1983-07-18

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