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DE3670706D1 - Rechnungseinrichtung von diskreter fouriertransformation und seine anwendung auf einem radarsystem. - Google Patents

Rechnungseinrichtung von diskreter fouriertransformation und seine anwendung auf einem radarsystem.

Info

Publication number
DE3670706D1
DE3670706D1 DE8686402285T DE3670706T DE3670706D1 DE 3670706 D1 DE3670706 D1 DE 3670706D1 DE 8686402285 T DE8686402285 T DE 8686402285T DE 3670706 T DE3670706 T DE 3670706T DE 3670706 D1 DE3670706 D1 DE 3670706D1
Authority
DE
Germany
Prior art keywords
application
radar system
calculation device
discrete fourier
fourier transformation
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
DE8686402285T
Other languages
English (en)
Inventor
Philippe Elleaume
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 SA
Original Assignee
Thomson CSF SA
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 SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3670706D1 publication Critical patent/DE3670706D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
    • 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
    • G01S13/284—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 using coded pulses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Complex Calculations (AREA)
DE8686402285T 1985-10-16 1986-10-14 Rechnungseinrichtung von diskreter fouriertransformation und seine anwendung auf einem radarsystem. Expired - Fee Related DE3670706D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8515310A FR2588680B1 (fr) 1985-10-16 1985-10-16 Dispositif de calcul d'une transformee de fourier discrete, et son application a la compression d'impulsion dans un systeme radar

Publications (1)

Publication Number Publication Date
DE3670706D1 true DE3670706D1 (de) 1990-05-31

Family

ID=9323866

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686402285T Expired - Fee Related DE3670706D1 (de) 1985-10-16 1986-10-14 Rechnungseinrichtung von diskreter fouriertransformation und seine anwendung auf einem radarsystem.

Country Status (6)

Country Link
US (1) US4772889A (de)
EP (1) EP0223657B1 (de)
JP (1) JPS6293755A (de)
CA (1) CA1263756A (de)
DE (1) DE3670706D1 (de)
FR (1) FR2588680B1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587819B1 (fr) * 1985-09-24 1989-10-06 Thomson Csf Dispositif de calcul d'une transformee de fourier discrete, glissante et non recursive, et son application a un systeme radar
US4972358A (en) * 1989-06-08 1990-11-20 General Electric Company Computation of discrete fourier transform using recursive techniques
US4954828A (en) * 1989-10-13 1990-09-04 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5049885A (en) * 1989-10-13 1991-09-17 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5079553A (en) * 1989-10-13 1992-01-07 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5134406A (en) * 1989-10-13 1992-07-28 Cincinnati Microwave, Inc. Long range police radar warning receiver with multiple array averaging
US5192956A (en) * 1991-11-13 1993-03-09 Westinghouse Electric Corp. Cascaded complementary phase code compressor
US5305007A (en) * 1993-04-13 1994-04-19 Cincinnati Microwave Corporation Wideband radar detector
US5594655A (en) * 1993-08-20 1997-01-14 Nicolet Instrument Corporation Method and apparatus for frequency triggering in digital oscilloscopes and the like
US5793323A (en) * 1996-11-25 1998-08-11 The United States Of America As Represented By The Secretary Of The Air Force Two signal monobit electronic warfare receiver
US6078632A (en) * 1998-04-15 2000-06-20 The United States Of America As Represented By The Secretary Of The Air Force Minimalized decommunication of serialized telemetry data
US7162397B2 (en) * 2004-05-07 2007-01-09 Snap-On Incorporated Decoding an alternator output signal
US7685220B2 (en) * 2005-12-14 2010-03-23 Telefonaktiebolaget L M Ericsson (Publ) Circular fast fourier transform
US10222454B2 (en) 2014-08-19 2019-03-05 Navico Holding As Combining Reflected Signals
US10114116B2 (en) 2014-08-19 2018-10-30 Navico Holding As Common burst for pulse compression radar
US9739873B2 (en) 2014-08-19 2017-08-22 Navico Holding As Range sidelobe suppression
US10001548B2 (en) 2015-01-23 2018-06-19 Navico Holding As Amplitude envelope correction
US9810772B2 (en) 2015-02-27 2017-11-07 Navico Holding As Radar signal generator
US9952312B2 (en) 2015-07-06 2018-04-24 Navico Holding As Radar interference mitigation
US10935631B2 (en) 2018-04-24 2021-03-02 Navico Holding As Radar transceiver with a switched local oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778606A (en) * 1972-02-23 1973-12-11 Sanders Associates Inc Continuously updating fourier coefficients every sampling interval
FR2352345A1 (fr) * 1976-05-21 1977-12-16 Ibm France Generateur de transformees discretes rapides, et filtre numerique utilisant ledit generateur
DE2732643C3 (de) * 1977-07-19 1981-01-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Bildung einer Dopplerfilterbank für die Echosignale bei Puls-Doppler-Radargeräten
US4591857A (en) * 1983-07-11 1986-05-27 The United States Of America As Represented By The Secretary Of The Air Force Programmable LFM signal processor
FR2587819B1 (fr) * 1985-09-24 1989-10-06 Thomson Csf Dispositif de calcul d'une transformee de fourier discrete, glissante et non recursive, et son application a un systeme radar

Also Published As

Publication number Publication date
CA1263756A (fr) 1989-12-05
FR2588680B1 (fr) 1989-08-25
EP0223657B1 (de) 1990-04-25
FR2588680A1 (fr) 1987-04-17
EP0223657A1 (de) 1987-05-27
JPS6293755A (ja) 1987-04-30
US4772889A (en) 1988-09-20

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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