JPS6146872B2 - - Google Patents

Info

Publication number
JPS6146872B2
JPS6146872B2 JP52052751A JP5275177A JPS6146872B2 JP S6146872 B2 JPS6146872 B2 JP S6146872B2 JP 52052751 A JP52052751 A JP 52052751A JP 5275177 A JP5275177 A JP 5275177A JP S6146872 B2 JPS6146872 B2 JP S6146872B2
Authority
JP
Japan
Prior art keywords
wave
multiplier
bank
weighting means
generator
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
JP52052751A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52142947A (en
Inventor
Nyusubomeru Anri
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to AU30937/77A priority Critical patent/AU513239B2/en
Publication of JPS52142947A publication Critical patent/JPS52142947A/ja
Publication of JPS6146872B2 publication Critical patent/JPS6146872B2/ja
Granted 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Algebra (AREA)
  • Computational Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP5275177A 1976-05-21 1977-05-10 Fourier conversion generator Granted JPS52142947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU30937/77A AU513239B2 (en) 1977-01-10 1977-11-24 Laminated bag for food packing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7616129A FR2352345A1 (fr) 1976-05-21 1976-05-21 Generateur de transformees discretes rapides, et filtre numerique utilisant ledit generateur

Publications (2)

Publication Number Publication Date
JPS52142947A JPS52142947A (en) 1977-11-29
JPS6146872B2 true JPS6146872B2 (US20090163788A1-20090625-C00002.png) 1986-10-16

Family

ID=9173722

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5275177A Granted JPS52142947A (en) 1976-05-21 1977-05-10 Fourier conversion generator

Country Status (5)

Country Link
US (1) US4093994A (US20090163788A1-20090625-C00002.png)
JP (1) JPS52142947A (US20090163788A1-20090625-C00002.png)
DE (1) DE2718902A1 (US20090163788A1-20090625-C00002.png)
FR (1) FR2352345A1 (US20090163788A1-20090625-C00002.png)
GB (1) GB1570130A (US20090163788A1-20090625-C00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334657U (US20090163788A1-20090625-C00002.png) * 1989-08-10 1991-04-04

Families Citing this family (11)

* 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
JPS57140016A (en) * 1981-02-24 1982-08-30 Toshiba Corp Filter circuit
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334657U (US20090163788A1-20090625-C00002.png) * 1989-08-10 1991-04-04

Also Published As

Publication number Publication date
JPS52142947A (en) 1977-11-29
FR2352345B1 (US20090163788A1-20090625-C00002.png) 1979-06-01
GB1570130A (en) 1980-06-25
FR2352345A1 (fr) 1977-12-16
DE2718902A1 (de) 1977-12-01
US4093994A (en) 1978-06-06

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