GB2283592B - FFT butterfly arithmetic units - Google Patents

FFT butterfly arithmetic units

Info

Publication number
GB2283592B
GB2283592B GB9322858A GB9322858A GB2283592B GB 2283592 B GB2283592 B GB 2283592B GB 9322858 A GB9322858 A GB 9322858A GB 9322858 A GB9322858 A GB 9322858A GB 2283592 B GB2283592 B GB 2283592B
Authority
GB
United Kingdom
Prior art keywords
arithmetic units
fft butterfly
butterfly arithmetic
fft
units
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 - Fee Related
Application number
GB9322858A
Other versions
GB2283592A (en
GB9322858D0 (en
Inventor
Duraisamy Sundararajan
Mohammad Omair Ahmad
Mayasandra Nanjundiah Swamy Sr
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.)
Individual
Original Assignee
Individual
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
Priority to CA002086174A priority Critical patent/CA2086174C/en
Application filed by Individual filed Critical Individual
Priority to GB9322858A priority patent/GB2283592B/en
Publication of GB9322858D0 publication Critical patent/GB9322858D0/en
Publication of GB2283592A publication Critical patent/GB2283592A/en
Application granted granted Critical
Publication of GB2283592B publication Critical patent/GB2283592B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (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)
GB9322858A 1992-12-23 1993-11-05 FFT butterfly arithmetic units Expired - Fee Related GB2283592B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA002086174A CA2086174C (en) 1992-12-23 1992-12-23 Computational structures for the frequency-domain analysis of signals and systems
GB9322858A GB2283592B (en) 1992-12-23 1993-11-05 FFT butterfly arithmetic units

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002086174A CA2086174C (en) 1992-12-23 1992-12-23 Computational structures for the frequency-domain analysis of signals and systems
GB9322858A GB2283592B (en) 1992-12-23 1993-11-05 FFT butterfly arithmetic units

Publications (3)

Publication Number Publication Date
GB9322858D0 GB9322858D0 (en) 1993-12-22
GB2283592A GB2283592A (en) 1995-05-10
GB2283592B true GB2283592B (en) 1998-10-14

Family

ID=25675776

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9322858A Expired - Fee Related GB2283592B (en) 1992-12-23 1993-11-05 FFT butterfly arithmetic units

Country Status (2)

Country Link
CA (1) CA2086174C (en)
GB (1) GB2283592B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892956A (en) * 1971-12-27 1975-07-01 Bell Telephone Labor Inc Cascade digital fast fourier analyzer
GB1557584A (en) * 1975-10-02 1979-12-12 Thomson Csf Computer for computing a discrete fuoraier transform
US4587626A (en) * 1981-10-13 1986-05-06 Trw Inc. Sum and difference conjugate discrete Fourier transform
EP0329023A2 (en) * 1988-02-16 1989-08-23 Array Microsystems, Inc. Apparatus for performing digital signal processing including fast fourier transform radix-4 butterfly computations
US5093801A (en) * 1990-07-06 1992-03-03 Rockwell International Corporation Arrayable modular FFT processor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892956A (en) * 1971-12-27 1975-07-01 Bell Telephone Labor Inc Cascade digital fast fourier analyzer
GB1557584A (en) * 1975-10-02 1979-12-12 Thomson Csf Computer for computing a discrete fuoraier transform
US4587626A (en) * 1981-10-13 1986-05-06 Trw Inc. Sum and difference conjugate discrete Fourier transform
EP0329023A2 (en) * 1988-02-16 1989-08-23 Array Microsystems, Inc. Apparatus for performing digital signal processing including fast fourier transform radix-4 butterfly computations
US5093801A (en) * 1990-07-06 1992-03-03 Rockwell International Corporation Arrayable modular FFT processor

Also Published As

Publication number Publication date
CA2086174C (en) 1998-08-25
GB2283592A (en) 1995-05-10
GB9322858D0 (en) 1993-12-22
CA2086174A1 (en) 1994-06-24

Similar Documents

Publication Publication Date Title
GB2291954B (en) Exhaust butterfly system
SG52303A1 (en) Arithmetic engine
EP0590597A3 (en) Arithmetic apparatus
EP0741357A3 (en) Distributed computing environment
GB2288520B (en) Pipeline
GB9300209D0 (en) Manifold
GB2267311B (en) An intake system
GB2292433B (en) Pipeline
EP0464601A3 (en) Arithmetic operation system
EP0483581A3 (en) Intake conduit
IL125051A0 (en) Computing system
GB2283592B (en) FFT butterfly arithmetic units
GB9224824D0 (en) Butterfly valve
GB2279459B (en) Speedometer
GB9409873D0 (en) Location and/or spacing means
GB9205637D0 (en) Throttle assembly
KR0111135Y1 (en) Register structure for potentiometer
ZA93731B (en) Air processor
CA74282S (en) Ornamental butterfly
CA70555S (en) Manifold
ZA923715B (en) Pipeline
GB2268586B (en) Speedometer
GB9422460D0 (en) Radiolocation devices and system
GB9215617D0 (en) Butterfly valve
HUT63690A (en) Butterfly valve

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991105