DE69705531D1 - Dopplerverschiebungsmessverfahren in einem erfassungssystem unter verwendung von mehrdeutigen codes - Google Patents

Dopplerverschiebungsmessverfahren in einem erfassungssystem unter verwendung von mehrdeutigen codes

Info

Publication number
DE69705531D1
DE69705531D1 DE69705531T DE69705531T DE69705531D1 DE 69705531 D1 DE69705531 D1 DE 69705531D1 DE 69705531 T DE69705531 T DE 69705531T DE 69705531 T DE69705531 T DE 69705531T DE 69705531 D1 DE69705531 D1 DE 69705531D1
Authority
DE
Germany
Prior art keywords
ambigious
codes
detection system
measuring method
doppler shift
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.)
Expired - Fee Related
Application number
DE69705531T
Other languages
English (en)
Other versions
DE69705531T2 (de
Inventor
Yves Doisy
Francois Chalaron
Laurent Deruaz
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.)
Thales Underwater Systems SAS
Original Assignee
Thales Underwater Systems SAS
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 Thales Underwater Systems SAS filed Critical Thales Underwater Systems SAS
Publication of DE69705531D1 publication Critical patent/DE69705531D1/de
Application granted granted Critical
Publication of DE69705531T2 publication Critical patent/DE69705531T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/581—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • 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
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69705531T 1996-10-22 1997-10-14 Dopplerverschiebungsmessverfahren in einem erfassungssystem unter verwendung von mehrdeutigen codes Expired - Fee Related DE69705531T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9612803A FR2754907B1 (fr) 1996-10-22 1996-10-22 Procede de mesure du decalage doppler dans un systeme de detection utilisant des codes ambigus
PCT/FR1997/001833 WO1998018020A1 (fr) 1996-10-22 1997-10-14 Procede de mesure du decalage doppler dans un systeme de detection utilisant des codes ambigus

Publications (2)

Publication Number Publication Date
DE69705531D1 true DE69705531D1 (de) 2001-08-09
DE69705531T2 DE69705531T2 (de) 2002-04-18

Family

ID=9496856

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705531T Expired - Fee Related DE69705531T2 (de) 1996-10-22 1997-10-14 Dopplerverschiebungsmessverfahren in einem erfassungssystem unter verwendung von mehrdeutigen codes

Country Status (7)

Country Link
US (1) US6072423A (de)
EP (1) EP0934536B1 (de)
AU (1) AU719562B2 (de)
DE (1) DE69705531T2 (de)
ES (1) ES2158512T3 (de)
FR (1) FR2754907B1 (de)
WO (1) WO1998018020A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2872919B1 (fr) * 2004-07-09 2006-09-29 Thales Sa Traitement coherent rapide pour codes a spectre de raies periodiques
GB0523676D0 (en) * 2005-11-21 2005-12-28 Plextek Ltd Radar system
EP1938122B1 (de) * 2005-11-21 2018-07-25 Blighter Surveillance Systems Limited Verbesserungen an doppler-radarsystemen
FR2900504B1 (fr) * 2006-04-26 2009-11-20 Thales Sa Procede pour optimiser l'alimentation d'une antenne lineaire d'emission remorquee pour emettre en mode omnidirectionnel.
DE102008040248A1 (de) * 2008-07-08 2010-01-14 Robert Bosch Gmbh Verfahren und Vorrichtung zum Bestimmen einer Geschwindigkeit eines Objekts
WO2014201440A1 (en) * 2013-06-14 2014-12-18 Lockheed Martin Corporation System, method and apparatus for communication that is insensitive to a sampling clock error

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077702A (en) * 1990-11-16 1991-12-31 General Electric Company Doppler consistent hyperbolic frequency modulation
IL101077A (en) * 1991-03-18 1995-08-31 Hydroacoustic Inc A system for measuring distances using echoes
US5212489A (en) * 1991-03-18 1993-05-18 Hydroacoustics Inc. Echo ranging system for detecting velocity of targets using composite doppler invariant transmissions
US5212490A (en) * 1991-06-16 1993-05-18 Hydroacoustics, Inc. Echo ranging system for detecting velocity and range of targets using composite doppler invariant-like transmissions with suppression of false targets
DE4317038A1 (de) * 1993-05-21 1994-11-24 Atlas Elektronik Gmbh Verfahren zum Erkennen von Zielen und/oder Bestimmen ihrer Zieldaten
US5515055A (en) * 1995-04-03 1996-05-07 Hydroacoustics, Inc. System for processing returns from a target from transmissions containing repeated signals to detect the doppler velocity of the target
US5790475A (en) * 1996-10-28 1998-08-04 Multispec Corporation Process and apparatus for improved interference suppression in echo-location and imaging systems

Also Published As

Publication number Publication date
EP0934536A1 (de) 1999-08-11
AU4709897A (en) 1998-05-15
ES2158512T3 (es) 2001-09-01
DE69705531T2 (de) 2002-04-18
EP0934536B1 (de) 2001-07-04
WO1998018020A1 (fr) 1998-04-30
FR2754907B1 (fr) 1999-01-08
US6072423A (en) 2000-06-06
AU719562B2 (en) 2000-05-11
FR2754907A1 (fr) 1998-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee