NO760658L - - Google Patents

Info

Publication number
NO760658L
NO760658L NO760658A NO760658A NO760658L NO 760658 L NO760658 L NO 760658L NO 760658 A NO760658 A NO 760658A NO 760658 A NO760658 A NO 760658A NO 760658 L NO760658 L NO 760658L
Authority
NO
Norway
Prior art keywords
signal
output
emits
multiplier
input
Prior art date
Application number
NO760658A
Other languages
English (en)
Norwegian (no)
Inventor
G Parent
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of NO760658L publication Critical patent/NO760658L/no

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
    • 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
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/22—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • 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
    • Y10S367/902—Speed of sound compensation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Complex Calculations (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO760658A 1975-02-27 1976-02-26 NO760658L (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7506083A FR2302533A1 (fr) 1975-02-27 1975-02-27 Dispositif d'ecartometrie

Publications (1)

Publication Number Publication Date
NO760658L true NO760658L (fr) 1976-09-28

Family

ID=9151800

Family Applications (1)

Application Number Title Priority Date Filing Date
NO760658A NO760658L (fr) 1975-02-27 1976-02-26

Country Status (7)

Country Link
US (1) US4031500A (fr)
DE (2) DE2607256A1 (fr)
DK (1) DK80776A (fr)
FR (1) FR2302533A1 (fr)
GB (1) GB1544277A (fr)
NL (1) NL7602077A (fr)
NO (1) NO760658L (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7714913L (sv) * 1977-12-29 1979-06-30 Swedair Ab Forfarande jemte anordning for bestemning av bomavstandet
DE3381357D1 (de) * 1982-12-22 1990-04-26 Marconi Co Ltd Akustische peilsysteme.
DE3439386A1 (de) * 1984-10-27 1986-05-07 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Akustisches peilverfahren
US4807202A (en) * 1986-04-17 1989-02-21 Allan Cherri Visual environment simulator for mobile viewer
EP0492015A1 (fr) * 1990-12-28 1992-07-01 Uraco Impex Asia Pte Ltd. Procédé et dispositif de navigation pour un véhicule guidé automatiquement
US5627800A (en) * 1994-01-28 1997-05-06 Kotler; Seymour R. Method and apparatus for determining position of a moving object in a tank
CN107782333B (zh) * 2016-08-25 2021-04-06 南京理工大学 卧式弹着点被动声定位装置的测前调试装置及调试方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1547366A (fr) * 1965-11-06 1968-11-29 Inst Francais Du Petrole Système de balisage en mer et de localisation d'une installation flottante ou d'un véhicule sous-marin
US3383651A (en) * 1967-01-31 1968-05-14 Navy Usa Plane coordinate computing system

Also Published As

Publication number Publication date
FR2302533A1 (fr) 1976-09-24
NL7602077A (nl) 1976-08-31
DK80776A (da) 1976-08-28
DE2607303A1 (de) 1976-09-09
GB1544277A (en) 1979-04-19
DE2607256A1 (de) 1976-09-09
FR2302533B1 (fr) 1979-06-08
US4031500A (en) 1977-06-21

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