BE847249A - Dispositif de reperage avec resolution d'ambiguites de correlateur, - Google Patents

Dispositif de reperage avec resolution d'ambiguites de correlateur,

Info

Publication number
BE847249A
BE847249A BE171489A BE171489A BE847249A BE 847249 A BE847249 A BE 847249A BE 171489 A BE171489 A BE 171489A BE 171489 A BE171489 A BE 171489A BE 847249 A BE847249 A BE 847249A
Authority
BE
Belgium
Prior art keywords
ambiguit
correlator
resolution
marking device
marking
Prior art date
Application number
BE171489A
Other languages
English (en)
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 filed Critical
Publication of BE847249A publication Critical patent/BE847249A/fr

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
    • 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
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • 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
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
BE171489A 1975-10-28 1976-10-13 Dispositif de reperage avec resolution d'ambiguites de correlateur, BE847249A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/626,581 US4054862A (en) 1975-10-28 1975-10-28 Ranging system with resolution of correlator ambiguities

Publications (1)

Publication Number Publication Date
BE847249A true BE847249A (fr) 1977-01-31

Family

ID=24510998

Family Applications (1)

Application Number Title Priority Date Filing Date
BE171489A BE847249A (fr) 1975-10-28 1976-10-13 Dispositif de reperage avec resolution d'ambiguites de correlateur,

Country Status (6)

Country Link
US (1) US4054862A (fr)
BE (1) BE847249A (fr)
CA (1) CA1048138A (fr)
DE (1) DE2649081A1 (fr)
DK (1) DK440776A (fr)
GB (1) GB1505977A (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981000456A1 (fr) * 1979-07-30 1981-02-19 Dorian Ind Pty Ltd Procede et dispositif de mesure de distance
US4346461A (en) * 1980-02-01 1982-08-24 Chevron Research Company Seismic exploration using vibratory sources, sign-bit recording, and processing that maximizes the obtained subsurface information
US4463425A (en) * 1980-07-17 1984-07-31 Terumo Corporation Period measurement system
US4607353A (en) * 1983-08-23 1986-08-19 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes to simulate an impulsive, causal generating, recording and pre-processing system and processing the results into distortion-free final records
US4601022A (en) * 1983-08-23 1986-07-15 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, and processing the results in distortion-free final records particularly useful in urban areas
US4598391A (en) * 1983-08-23 1986-07-01 Chevron Research Company Seismic exploration using non-impulsive vibratory sources activated by stationary, Gaussian codes, detecting vibrations via receivers within a wellbore and processing the results into distortion-free final records
EP0249036A3 (fr) * 1986-06-07 1989-08-30 Atlas Elektronik Gmbh Procédé de détermination du temps de parcours d'un écho
FR2662815A1 (fr) * 1990-06-01 1991-12-06 Philips Electronique Lab Procede et appareil d'examen de milieux par echographie ultrasonore.
US5122990A (en) * 1991-02-01 1992-06-16 Rowe-Deines Instruments Incorporated Bottom tracking system
DE4437205A1 (de) * 1994-10-18 1996-04-25 Walter Prof Dr Kaestel Ultraschallsensor zur Wegmessung
US5956304A (en) * 1997-08-15 1999-09-21 Cirrus Logic, Inc. Differential phase error detector using dual arm correlation for servo tracking in an optical disk storage device
US5914922A (en) * 1997-12-12 1999-06-22 Cirrus Logic, Inc. Generating a quadrature seek signal from a discrete-time tracking error signal and a discrete-time RF data signal in an optical storage device
DE19802724A1 (de) * 1998-01-24 1999-07-29 Bosch Gmbh Robert Überwachungseinrichtung für Signal-Echo-Sensoren
US6141303A (en) * 1998-04-03 2000-10-31 Cirrus Logic, Inc. Quadrature signal generator using an adaptive length dual arm correlator for optical storage devices
US6314055B1 (en) 1998-10-16 2001-11-06 Intersense, Inc. Range measuring system
US6714481B1 (en) * 2002-09-30 2004-03-30 The United States Of America As Represented By The Secretary Of The Navy System and method for active sonar signal detection and classification
EP1631841A2 (fr) * 2003-06-09 2006-03-08 Brown University Processeur de signaux sonar adaptatif au bruit
US7363177B2 (en) * 2003-08-12 2008-04-22 Brown University Apparatus and method for performing the time delay estimation of signals propagating through an environment
US7397427B1 (en) * 2005-09-28 2008-07-08 Kevin G. Rhoads Engineering, Inc. Phase event detection and direction of arrival estimation
WO2017004825A1 (fr) * 2015-07-09 2017-01-12 SZ DJI Technology Co., Ltd. Système et procédé de détection de distance par ultrasons
CN108253881B (zh) * 2018-01-18 2020-05-05 华侨大学 一种海洋石油平台桩基冲刷坑形态测量装置及使用方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1514156A (fr) * 1966-11-08 1968-02-23 Realisations Ultrasoniques Sa Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores
US3786405A (en) * 1971-02-01 1974-01-15 Raytheon Co System for low-frequency transmission of radiant energy
US3750152A (en) * 1972-04-17 1973-07-31 Gen Electric Pulse-echo phase discriminator using deltic processing

Also Published As

Publication number Publication date
CA1048138A (fr) 1979-02-06
US4054862A (en) 1977-10-18
GB1505977A (en) 1978-04-05
DE2649081A1 (de) 1977-05-12
DK440776A (da) 1977-04-29

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