DE3174923D1 - Arrangement for calculating the discrete fourier transform by means of two circular convolutions - Google Patents

Arrangement for calculating the discrete fourier transform by means of two circular convolutions

Info

Publication number
DE3174923D1
DE3174923D1 DE8181200209T DE3174923T DE3174923D1 DE 3174923 D1 DE3174923 D1 DE 3174923D1 DE 8181200209 T DE8181200209 T DE 8181200209T DE 3174923 T DE3174923 T DE 3174923T DE 3174923 D1 DE3174923 D1 DE 3174923D1
Authority
DE
Germany
Prior art keywords
calculating
arrangement
fourier transform
discrete fourier
circular convolutions
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
Application number
DE8181200209T
Other languages
English (en)
Inventor
Theodoor Antonius C M Claasen
Wolfgang F G Mecklenbrauker
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3174923D1 publication Critical patent/DE3174923D1/de
Expired 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
    • G06F17/144—Prime factor Fourier transforms, e.g. Winograd transforms, number theoretic transforms

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
DE8181200209T 1980-03-17 1981-02-23 Arrangement for calculating the discrete fourier transform by means of two circular convolutions Expired DE3174923D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8001559A NL8001559A (nl) 1980-03-17 1980-03-17 Werkwijze en inrichting voor het berekenen van de discrete fourier transformatie met behulp van twee circulaire filters.

Publications (1)

Publication Number Publication Date
DE3174923D1 true DE3174923D1 (en) 1986-08-21

Family

ID=19835005

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181200209T Expired DE3174923D1 (en) 1980-03-17 1981-02-23 Arrangement for calculating the discrete fourier transform by means of two circular convolutions

Country Status (7)

Country Link
US (1) US4435774A (de)
EP (1) EP0037130B1 (de)
JP (1) JPS56143081A (de)
AU (1) AU546485B2 (de)
CA (1) CA1159570A (de)
DE (1) DE3174923D1 (de)
NL (1) NL8001559A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587626A (en) * 1981-10-13 1986-05-06 Trw Inc. Sum and difference conjugate discrete Fourier transform
CA1200910A (en) * 1981-12-29 1986-02-18 Toshiaki Yamada Terminal device for editing document and communicating data
US4646256A (en) * 1984-03-19 1987-02-24 The Board Of Trustees Of The Leland Stanford Junior University Computer and method for the discrete bracewell transform
FR2568036B1 (fr) * 1984-07-20 1989-06-02 Thomson Csf Circuit de calcul
US5477465A (en) * 1993-08-31 1995-12-19 Talx Corporation Multi-frequency receiver with arbitrary center frequencies
US5987005A (en) * 1997-07-02 1999-11-16 Telefonaktiebolaget Lm Ericsson Method and apparatus for efficient computation of discrete fourier transform (DFT) and inverse discrete fourier transform
US6208946B1 (en) * 1997-09-30 2001-03-27 Advantest Corp. High speed fourier transform apparatus
JP6662627B2 (ja) * 2014-12-16 2020-03-11 ジーイー グローバル ソーシング エルエルシーＧＥ Ｇｌｏｂａｌ Ｓｏｕｒｃｉｎｇ ＬＬＣ エンジンのシリンダの失火を検出するシステム

Also Published As

Publication number Publication date
EP0037130A1 (de) 1981-10-07
CA1159570A (en) 1983-12-27
AU546485B2 (en) 1985-09-05
EP0037130B1 (de) 1986-07-16
NL8001559A (nl) 1981-10-16
JPS6235712B2 (de) 1987-08-03
JPS56143081A (en) 1981-11-07
US4435774A (en) 1984-03-06
AU6833181A (en) 1981-09-24

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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