FR2641631B1 - Montage de transformation de fourier rapide en temps reel - Google Patents

Montage de transformation de fourier rapide en temps reel

Info

Publication number
FR2641631B1
FR2641631B1 FR9000074A FR9000074A FR2641631B1 FR 2641631 B1 FR2641631 B1 FR 2641631B1 FR 9000074 A FR9000074 A FR 9000074A FR 9000074 A FR9000074 A FR 9000074A FR 2641631 B1 FR2641631 B1 FR 2641631B1
Authority
FR
France
Prior art keywords
real time
fast fourier
fourier transformation
transformation assembly
assembly
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
FR9000074A
Other languages
English (en)
Other versions
FR2641631A1 (fr
Inventor
Herbert Mueller
Gerhard Wergen
Klaus Geisslinger
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.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of FR2641631A1 publication Critical patent/FR2641631A1/fr
Application granted granted Critical
Publication of FR2641631B1 publication Critical patent/FR2641631B1/fr
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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/295—Means for transforming co-ordinates or for evaluating data, e.g. using computers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Complex Calculations (AREA)
FR9000074A 1989-01-07 1990-01-05 Montage de transformation de fourier rapide en temps reel Expired - Fee Related FR2641631B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3900349A DE3900349A1 (de) 1989-01-07 1989-01-07 Schaltungsanordnung zur echtzeit-durchfuehrung der schnellen fouriertransformation

Publications (2)

Publication Number Publication Date
FR2641631A1 FR2641631A1 (fr) 1990-07-13
FR2641631B1 true FR2641631B1 (fr) 1993-06-25

Family

ID=6371709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9000074A Expired - Fee Related FR2641631B1 (fr) 1989-01-07 1990-01-05 Montage de transformation de fourier rapide en temps reel

Country Status (4)

Country Link
US (1) US5028877A (fr)
DE (1) DE3900349A1 (fr)
FR (1) FR2641631B1 (fr)
GB (1) GB2229299B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038311A (en) * 1990-08-10 1991-08-06 General Electric Company Pipelined fast fourier transform processor
DE4130451B4 (de) * 1991-09-13 2004-09-16 Diehl Stiftung & Co.Kg Schaltungsstruktur zur Durchführung der schnellen Fourier-Transformation
DE4442958C2 (de) * 1994-12-02 2001-05-10 Sican Gmbh Verfahren und Schaltungsanordnung zur Durchführung mehrstufiger Butterfly-Operationen
US5831881A (en) * 1994-12-02 1998-11-03 Sican Gmbh Method and circuit for forward/inverse discrete cosine transform (DCT/IDCT)
JP3129392B2 (ja) * 1996-02-02 2001-01-29 日本電気株式会社 ２次元ｉｄｃｔ回路
DE19906868C1 (de) * 1999-02-18 2000-05-04 Siemens Ag Verfahren und Vorrichtung zum Berechnen einer diskreten orthogonalen Transformation wie FFT oder IFFT
DE10329606B4 (de) * 2003-06-30 2008-07-03 Zentrum Mikroelektronik Dresden Ag Anordnung zur Frequenzbereichstransformation von Signalen
US20050015420A1 (en) * 2003-07-18 2005-01-20 Gibb Sean G. Recoded radix-2 pipeline FFT processor
US7543010B2 (en) * 2003-11-03 2009-06-02 Board Of Regents, The University Of Texas System Modular pipeline fast Fourier transform
US7415584B2 (en) * 2003-11-26 2008-08-19 Cygnus Communications Canada Co. Interleaving input sequences to memory
US7428564B2 (en) * 2003-11-26 2008-09-23 Gibb Sean G Pipelined FFT processor with memory address interleaving
CN102768654A (zh) * 2011-05-05 2012-11-07 中兴通讯股份有限公司 具有fft基2蝶运算处理能力的装置及其实现运算的方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138730A (en) * 1977-11-07 1979-02-06 Communications Satellite Corporation High speed FFT processor
US4117541A (en) * 1977-11-07 1978-09-26 Communications Satellite Corporation Configurable parallel arithmetic structure for recursive digital filtering
US4241411A (en) * 1978-11-16 1980-12-23 Probe Systems, Incorporated FFT Parallel processor having mutually connected, multiple identical cards
US4293921A (en) * 1979-06-15 1981-10-06 Martin Marietta Corporation Method and signal processor for frequency analysis of time domain signals
US4298950A (en) * 1979-10-12 1981-11-03 Westinghouse Electric Corp. Multipoint pipeline processor for computing the discrete fourier transform
US4534009A (en) * 1982-05-10 1985-08-06 The United States Of America As Represented By The Secretary Of The Navy Pipelined FFT processor
JPS5979852A (ja) * 1982-10-29 1984-05-09 Asahi Chem Ind Co Ltd 微視的破壊検出装置
JPS59123969A (ja) * 1982-12-29 1984-07-17 Nec Corp 高速フ−リエ変換処理装置
US4601006A (en) * 1983-10-06 1986-07-15 Research Corporation Architecture for two dimensional fast fourier transform
US4689762A (en) * 1984-09-10 1987-08-25 Sanders Associates, Inc. Dynamically configurable fast Fourier transform butterfly circuit
US4748579A (en) * 1985-08-14 1988-05-31 Gte Laboratories Incorporated Method and circuit for performing discrete transforms
FR2603719B1 (fr) * 1986-09-04 1991-10-31 Duhamel Pierre Dispositif de determination de la transformee numerique d'un signal
EP0262816A3 (fr) * 1986-09-08 1991-01-16 Zoran Corporation Appareil et méthode de calcul
US4868776A (en) * 1987-09-14 1989-09-19 Trw Inc. Fast fourier transform architecture using hybrid n-bit-serial arithmetic

Also Published As

Publication number Publication date
GB2229299A (en) 1990-09-19
GB2229299B (en) 1993-01-13
DE3900349C2 (fr) 1990-10-11
FR2641631A1 (fr) 1990-07-13
US5028877A (en) 1991-07-02
GB9000157D0 (en) 1990-03-07
DE3900349A1 (de) 1990-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse