NO996080L - FremgangsmÕte for deteksjon, særlig av smÕ sjømÕl - Google Patents

FremgangsmÕte for deteksjon, særlig av smÕ sjømÕl

Info

Publication number
NO996080L
NO996080L NO996080A NO996080A NO996080L NO 996080 L NO996080 L NO 996080L NO 996080 A NO996080 A NO 996080A NO 996080 A NO996080 A NO 996080A NO 996080 L NO996080 L NO 996080L
Authority
NO
Norway
Prior art keywords
detection procedure
sea urchins
small sea
small
urchins
Prior art date
Application number
NO996080A
Other languages
English (en)
Other versions
NO996080D0 (no
Inventor
Myriam Chabah
Gabriel Marchalot
Jean-Michel Quellec
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 NO996080D0 publication Critical patent/NO996080D0/no
Publication of NO996080L publication Critical patent/NO996080L/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/285Receivers
    • G01S7/292Extracting wanted echo-signals
    • G01S7/2923Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
    • G01S7/2927Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by deriving and controlling a threshold value
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO996080A 1998-12-11 1999-12-09 FremgangsmÕte for deteksjon, særlig av smÕ sjømÕl NO996080L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9815698A FR2787199B1 (fr) 1998-12-11 1998-12-11 Procede de detection, notamment de petites cibles marines

Publications (2)

Publication Number Publication Date
NO996080D0 NO996080D0 (no) 1999-12-09
NO996080L true NO996080L (no) 2000-06-13

Family

ID=9533892

Family Applications (1)

Application Number Title Priority Date Filing Date
NO996080A NO996080L (no) 1998-12-11 1999-12-09 FremgangsmÕte for deteksjon, særlig av smÕ sjømÕl

Country Status (9)

Country Link
US (1) US6310575B1 (no)
EP (1) EP1018654B1 (no)
JP (1) JP2000180539A (no)
AU (1) AU6444199A (no)
CA (1) CA2291879C (no)
DE (1) DE69938536T2 (no)
FR (1) FR2787199B1 (no)
IL (1) IL133462A0 (no)
NO (1) NO996080L (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10228159A1 (de) * 2002-06-24 2004-01-22 Rhode & Schwarz Gmbh & Co. Kg Verfahren zur Entzerrung und Demodulation eines über einen zeitveränderlichen Kanal übertragenen Datensignals
US6690315B1 (en) * 2003-01-31 2004-02-10 United States Of America As Represented By The Secretary Of The Air Force Quadbit kernel function algorithm and receiver
US6885490B2 (en) * 2003-05-01 2005-04-26 Lucent Technologies Inc. Method and apparatus for characterizing optical pulses using reduced complexity chronocyclic tomography
US7440989B1 (en) 2004-04-02 2008-10-21 The United States Of America As Represented By The Secretary Of The Air Force Kernel function approximation and receiver
US9348021B2 (en) * 2013-03-14 2016-05-24 Raytheon Company Methods and apparatus for adaptive motion compensation to remove translational movement between a sensor and a target
FR3005168B1 (fr) * 2013-04-26 2015-04-10 Thales Sa Procede d'elimination d'echos parasites en imagerie sar
CN106054195B (zh) * 2016-05-31 2018-07-06 中国民航大学 基于空时最优处理器的湍流谱宽估计方法
CN111864388B (zh) * 2020-06-24 2022-01-18 宁波大学 一种victs天线的复合跟踪方法
CN116047452A (zh) * 2023-01-08 2023-05-02 上海大学 一种基于变参数同步压缩s变换的行人状态检测方法
CN117129958A (zh) * 2023-07-31 2023-11-28 湖南六九零六信息科技股份有限公司 一种基于多域特征的海面微弱目标检测方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2219533B1 (no) 1973-02-23 1977-09-02 Thomson Csf
SE7415631L (no) 1973-12-14 1975-06-16 Thomson Csf
FR2315703A1 (fr) 1975-06-24 1977-01-21 Thomson Csf Systeme radar a vision laterale
FR2599858B1 (fr) 1979-05-02 1988-10-14 Thomson Csf Recepteur hyperfrequence effectuant des mesures d'ecartometrie, plus particulierement associe a un radar secondaire aeroporte, et radar secondaire le comportant
NL8403758A (nl) * 1984-12-11 1986-07-01 Hollandse Signaalapparaten Bv Impulsradarapparaat.
US4837579A (en) * 1986-01-27 1989-06-06 Raytheon Company Pulse radar threshold generator
US4973968A (en) * 1986-03-07 1990-11-27 Plessey Overseas Limited Radar system for determining first time around targets from multiple time around targets
FR2683913B1 (fr) * 1991-11-19 1994-03-25 Thomson Applic Radars Centre Procede et dispositif de traitement et de detection a haut facteur de visibilite pour l'analyse spectrale d'un signal echantillonne et applications, notamment aux radars doppler.

Also Published As

Publication number Publication date
EP1018654B1 (fr) 2008-04-16
JP2000180539A (ja) 2000-06-30
AU6444199A (en) 2000-06-15
DE69938536T2 (de) 2009-06-18
IL133462A0 (en) 2001-04-30
EP1018654A2 (fr) 2000-07-12
EP1018654A3 (fr) 2001-03-07
NO996080D0 (no) 1999-12-09
CA2291879C (fr) 2007-08-21
FR2787199A1 (fr) 2000-06-16
US6310575B1 (en) 2001-10-30
DE69938536D1 (de) 2008-05-29
CA2291879A1 (fr) 2000-06-11
FR2787199B1 (fr) 2001-03-09

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application