CA945261A - Cascade digital fast fourier analyzer - Google Patents

Cascade digital fast fourier analyzer

Info

Publication number
CA945261A
CA945261A CA121,321A CA121321A CA945261A CA 945261 A CA945261 A CA 945261A CA 121321 A CA121321 A CA 121321A CA 945261 A CA945261 A CA 945261A
Authority
CA
Canada
Prior art keywords
fast fourier
fourier analyzer
digital fast
cascade digital
cascade
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
CA121,321A
Other versions
CA121321S (en
Inventor
Peter S. Fuss
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA945261A publication Critical patent/CA945261A/en
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

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)
CA121,321A 1970-10-21 1971-08-25 Cascade digital fast fourier analyzer Expired CA945261A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8257270A 1970-10-21 1970-10-21

Publications (1)

Publication Number Publication Date
CA945261A true CA945261A (en) 1974-04-09

Family

ID=22172019

Family Applications (1)

Application Number Title Priority Date Filing Date
CA121,321A Expired CA945261A (en) 1970-10-21 1971-08-25 Cascade digital fast fourier analyzer

Country Status (9)

Country Link
US (1) US3702393A (en)
JP (1) JPS547178B1 (en)
BE (1) BE774086A (en)
CA (1) CA945261A (en)
DE (1) DE2151974A1 (en)
FR (1) FR2111632A5 (en)
GB (1) GB1328489A (en)
NL (1) NL7114286A (en)
SE (1) SE364384B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781822A (en) * 1972-08-09 1973-12-25 Bell Telephone Labor Inc Data rate-changing and reordering circuits
US4045616A (en) * 1975-05-23 1977-08-30 Time Data Corporation Vocoder system
FR2326743A1 (en) * 1975-10-02 1977-04-29 Thomson Csf DISCREET FOURIER TRANSFORMATION CALCULATOR
US4222050A (en) * 1977-11-17 1980-09-09 Nippon Electric Co., Ltd. Moving target indication radar
US4231102A (en) * 1978-12-21 1980-10-28 Raytheon Company Cordic FFT processor
US4243935A (en) * 1979-05-18 1981-01-06 The United States Of America As Represented By The Secretary Of The Navy Adaptive detector
US4534009A (en) * 1982-05-10 1985-08-06 The United States Of America As Represented By The Secretary Of The Navy Pipelined FFT processor
US4563750A (en) * 1983-03-04 1986-01-07 Clarke William L Fast Fourier transform apparatus with data timing schedule decoupling
US4764974A (en) * 1986-09-22 1988-08-16 Perceptics Corporation Apparatus and method for processing an image
FR2608808B1 (en) * 1986-12-22 1989-04-28 Efcis INTEGRATED CIRCUIT FOR DIGITAL SIGNAL PROCESSING
ATE131948T1 (en) * 1987-08-21 1996-01-15 Commw Scient Ind Res Org TRANSFORMATION PROCESSING CIRCUIT
US5694347A (en) * 1991-12-19 1997-12-02 Hughes Electronics Digital signal processing system
EP0613249A1 (en) * 1993-02-12 1994-08-31 Altera Corporation Custom look-up table with reduced number of architecture bits
US5524258A (en) * 1994-06-29 1996-06-04 General Electric Company Real-time processing of packetized time-sampled signals employing a systolic array
JPH08320858A (en) * 1995-05-25 1996-12-03 Sony Corp Unit and method for fourier transformation arithmetic operation
JPH08320857A (en) * 1995-05-25 1996-12-03 Sony Corp Unit and method for fourier transformation arithmetic operation
WO1999053419A2 (en) * 1998-04-09 1999-10-21 Koninklijke Philips Electronics N.V. Device for converting series of data elements
US6625630B1 (en) * 2000-06-05 2003-09-23 Dsp Group Ltd. Two cycle FFT
US6917955B1 (en) * 2002-04-25 2005-07-12 Analog Devices, Inc. FFT processor suited for a DMT engine for multichannel CO ADSL application
US20090172062A1 (en) * 2007-12-31 2009-07-02 Broadcom Corporation Efficient fixed-point implementation of an fft
US9170985B1 (en) * 2012-12-31 2015-10-27 Altera Corporation Bidirectional fast fourier transform in an integrated circuit device
US9279883B2 (en) 2013-02-19 2016-03-08 Infineon Technologies Ag Method and device for radar applications

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544775A (en) * 1966-12-29 1970-12-01 Bell Telephone Labor Inc Digital processor for calculating fourier coefficients
US3588460A (en) * 1968-07-01 1971-06-28 Bell Telephone Labor Inc Fast fourier transform processor

Also Published As

Publication number Publication date
DE2151974A1 (en) 1972-04-27
FR2111632A5 (en) 1972-06-02
GB1328489A (en) 1973-08-30
BE774086A (en) 1972-02-14
JPS547178B1 (en) 1979-04-04
NL7114286A (en) 1972-04-25
US3702393A (en) 1972-11-07
SE364384B (en) 1974-02-18

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