JPS51151039A - Fft process unit - Google Patents

Fft process unit

Info

Publication number
JPS51151039A
JPS51151039A JP50076216A JP7621675A JPS51151039A JP S51151039 A JPS51151039 A JP S51151039A JP 50076216 A JP50076216 A JP 50076216A JP 7621675 A JP7621675 A JP 7621675A JP S51151039 A JPS51151039 A JP S51151039A
Authority
JP
Japan
Prior art keywords
process unit
fft process
fft
appliable
input data
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.)
Granted
Application number
JP50076216A
Other languages
English (en)
Other versions
JPS593790B2 (ja
Inventor
Kunihiko Niwa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50076216A priority Critical patent/JPS593790B2/ja
Priority to DE2627405A priority patent/DE2627405C3/de
Priority to FR7618711A priority patent/FR2316663A1/fr
Priority to US05/697,659 priority patent/US4058715A/en
Publication of JPS51151039A publication Critical patent/JPS51151039A/ja
Publication of JPS593790B2 publication Critical patent/JPS593790B2/ja
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
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
JP50076216A 1975-06-20 1975-06-20 Ｆｆｔ エンサンシヨリソウチ Expired JPS593790B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50076216A JPS593790B2 (ja) 1975-06-20 1975-06-20 Ｆｆｔ エンサンシヨリソウチ
DE2627405A DE2627405C3 (de) 1975-06-20 1976-06-18 Schaltungsanordnung zur Berechnung der schnellen Fourier-Transformation (FFT)
FR7618711A FR2316663A1 (fr) 1975-06-20 1976-06-18 Unite arithmetique et plus particulierement unite arithmetique de traitement de transformee de fourier rapide
US05/697,659 US4058715A (en) 1975-06-20 1976-06-18 Serial FFT processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50076216A JPS593790B2 (ja) 1975-06-20 1975-06-20 Ｆｆｔ エンサンシヨリソウチ

Publications (2)

Publication Number Publication Date
JPS51151039A true JPS51151039A (en) 1976-12-25
JPS593790B2 JPS593790B2 (ja) 1984-01-26

Family

ID=13598969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50076216A Expired JPS593790B2 (ja) 1975-06-20 1975-06-20 Ｆｆｔ エンサンシヨリソウチ

Country Status (4)

Country Link
US (1) US4058715A (ja)
JP (1) JPS593790B2 (ja)
DE (1) DE2627405C3 (ja)
FR (1) FR2316663A1 (ja)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486850A (en) * 1974-11-11 1984-12-04 Hyatt Gilbert P Incremental digital filter
US4551816A (en) * 1970-12-28 1985-11-05 Hyatt Gilbert P Filter display system
US4944036A (en) * 1970-12-28 1990-07-24 Hyatt Gilbert P Signature filter system
US4686655A (en) * 1970-12-28 1987-08-11 Hyatt Gilbert P Filtering system for processing signature signals
US5459846A (en) * 1988-12-02 1995-10-17 Hyatt; Gilbert P. Computer architecture system having an imporved memory
US4581715A (en) * 1970-12-28 1986-04-08 Hyatt Gilbert P Fourier transform processor
US5410621A (en) * 1970-12-28 1995-04-25 Hyatt; Gilbert P. Image processing system having a sampled filter
US4553213A (en) * 1970-12-28 1985-11-12 Hyatt Gilbert P Communication system
US4553221A (en) * 1970-12-28 1985-11-12 Hyatt Gilbert P Digital filtering system
US4744042A (en) * 1970-12-28 1988-05-10 Hyatt Gilbert P Transform processor system having post processing
US5053983A (en) * 1971-04-19 1991-10-01 Hyatt Gilbert P Filter system having an adaptive control for updating filter samples
US4156920A (en) * 1977-06-30 1979-05-29 International Business Machines Corporation Computer system architecture for performing nested loop operations to effect a discrete Fourier transform
US4298950A (en) * 1979-10-12 1981-11-03 Westinghouse Electric Corp. Multipoint pipeline processor for computing the discrete fourier transform
US4417313A (en) * 1981-05-18 1983-11-22 Herman Medwin Method for optimizing the design of a finite noise barrier
US4450525A (en) * 1981-12-07 1984-05-22 Ibm Corporation Control unit for a functional processor
US4524362A (en) * 1982-05-11 1985-06-18 The United States Of America As Represented By The Secretary Of The Navy Phase coded pulse expander-compressor
US4524363A (en) * 1982-05-11 1985-06-18 The United States Of America As Represented By The Secretary Of The Navy P2 Polyphase code expander-compressor
FR2532424A1 (fr) * 1982-08-27 1984-03-02 Cit Alcatel Dispositif de mesure et d'affichage du taux q de fuite pour un detecteur de fuites a gaz traceur
US4563750A (en) * 1983-03-04 1986-01-07 Clarke William L Fast Fourier transform apparatus with data timing schedule decoupling
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
FR2596892B1 (fr) * 1986-04-04 1988-05-20 Jutand Francis Circuit pour effectuer une transformation lineaire sur un signal numerique
DE4442959C2 (de) * 1994-12-02 2001-02-08 Sican Gmbh Monolithisch integrierbare Schaltungsanordnung zur komplexen Multiplikation serieller Datenströme
JPH08320857A (ja) * 1995-05-25 1996-12-03 Sony Corp フーリエ変換演算装置および方法
JPH08320858A (ja) * 1995-05-25 1996-12-03 Sony Corp フーリエ変換演算装置および方法
US6343304B1 (en) 1999-03-09 2002-01-29 National Science Council Apparatus with selective fixed-coefficient filter for performing recursive discrete cosine transforms
US20070211840A1 (en) 2006-02-17 2007-09-13 International Business Machines Corporation Methods and apparatus for analyzing transmission lines with decoupling of connectors and other circuit elements
CN113594077B (zh) * 2021-07-22 2024-03-08 重庆双芯科技有限公司 一种多级芯片串联系统芯片定位方法及多级芯片串联系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588460A (en) * 1968-07-01 1971-06-28 Bell Telephone Labor Inc Fast fourier transform processor
US3686490A (en) * 1970-06-02 1972-08-22 Ratheon Co Real time serial fourier transformation circuit
US3899667A (en) * 1972-12-26 1975-08-12 Raytheon Co Serial three point discrete fourier transform apparatus
JPS5827546B2 (ja) 1975-04-22 1983-06-10 日本電気株式会社 エンザンソウチ

Also Published As

Publication number Publication date
DE2627405A1 (de) 1976-12-23
DE2627405C3 (de) 1979-10-25
JPS593790B2 (ja) 1984-01-26
US4058715A (en) 1977-11-15
FR2316663B1 (ja) 1980-06-06
FR2316663A1 (fr) 1977-01-28
DE2627405B2 (de) 1979-03-01

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