FR2352345B1 - - Google Patents

Info

Publication number
FR2352345B1
FR2352345B1 FR7616129A FR7616129A FR2352345B1 FR 2352345 B1 FR2352345 B1 FR 2352345B1 FR 7616129 A FR7616129 A FR 7616129A FR 7616129 A FR7616129 A FR 7616129A FR 2352345 B1 FR2352345 B1 FR 2352345B1
Authority
FR
France
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
FR7616129A
Other versions
FR2352345A1 (fr
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France 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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR7616129A priority Critical patent/FR2352345B1/fr
Publication of FR2352345A1 publication Critical patent/FR2352345A1/fr
Application granted granted Critical
Publication of FR2352345B1 publication Critical patent/FR2352345B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/14Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141Discrete Fourier transforms
    • G06F17/144Prime factor Fourier transforms, e.g. Winograd transforms, number theoretic transforms
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0211Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
FR7616129A 1976-05-21 1976-05-21 Expired FR2352345B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7616129A FR2352345B1 (fr) 1976-05-21 1976-05-21

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR7616129A FR2352345B1 (fr) 1976-05-21 1976-05-21
US05/779,212 US4093994A (en) 1976-05-21 1977-03-18 Fast discrete transform generator and digital filter using same
GB1629277A GB1570130A (en) 1976-05-21 1977-04-19 Transform generator for digital filters
DE19772718902 DE2718902A1 (de) 1976-05-21 1977-04-28 Transformationsgenerator und dessen verwendung beim aufbau von digitalfiltern
JP52052751A JPS6146872B2 (fr) 1976-05-21 1977-05-10

Publications (2)

Publication Number Publication Date
FR2352345A1 FR2352345A1 (fr) 1977-12-16
FR2352345B1 true FR2352345B1 (fr) 1979-06-01

Family

ID=9173722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616129A Expired FR2352345B1 (fr) 1976-05-21 1976-05-21

Country Status (5)

Country Link
US (1) US4093994A (fr)
JP (1) JPS6146872B2 (fr)
DE (1) DE2718902A1 (fr)
FR (1) FR2352345B1 (fr)
GB (1) GB1570130A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181968A (en) * 1978-06-14 1980-01-01 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for forming convolutions of two complex number sequences using the fermat number transform
US4231277A (en) * 1978-10-30 1980-11-04 Nippon Gakki Seizo Kabushiki Kaisha Process for forming musical tones
JPH0117290B2 (fr) * 1981-02-24 1989-03-29 Tokyo Shibaura Electric Co
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
FR2584213B1 (fr) * 1985-06-28 1994-03-11 Thomson Csf Dispositif de calcul d'une transformee de fourier discrete, glissante, et son application a un systeme radar.
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
FR2588680B1 (fr) * 1985-10-16 1989-08-25 Thomson Csf Dispositif de calcul d'une transformee de fourier discrete, et son application a la compression d'impulsion dans un systeme radar
US4791590A (en) * 1985-11-19 1988-12-13 Cornell Research Foundation, Inc. High performance signal processor
DE3613343A1 (de) * 1986-04-19 1987-10-22 Philips Patentverwaltung Hybrid-codierer
FR2622069B1 (fr) * 1987-10-16 1995-04-07 Thomson Csf Dispositif de filtrage numerique et radar comportant un tel dispositif
JPH0334657U (fr) * 1989-08-10 1991-04-04
FR2680924B1 (fr) * 1991-09-03 1997-06-06 France Telecom Procede de filtrage adapte d'un signal transforme en sous-bandes, et dispositif de filtrage correspondant.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679882A (en) * 1970-06-11 1972-07-25 Ibm Fourier digital filter or equalizer and method of operation therefor
US3900721A (en) * 1974-02-14 1975-08-19 Us Navy Serial-access linear transform
US3920974A (en) * 1974-10-15 1975-11-18 Us Navy Discrete cosine transform signal processor

Also Published As

Publication number Publication date
US4093994A (en) 1978-06-06
DE2718902A1 (de) 1977-12-01
GB1570130A (en) 1980-06-25
JPS52142947A (en) 1977-11-29
FR2352345A1 (fr) 1977-12-16
JPS6146872B2 (fr) 1986-10-16

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Legal Events

Date Code Title Description
ST Notification of lapse