HK1074269A1 - Optimized discrete fourier transform method and apparatus using prime factor algorithm - Google Patents

Optimized discrete fourier transform method and apparatus using prime factor algorithm

Info

Publication number
HK1074269A1
HK1074269A1 HK05108196A HK05108196A HK1074269A1 HK 1074269 A1 HK1074269 A1 HK 1074269A1 HK 05108196 A HK05108196 A HK 05108196A HK 05108196 A HK05108196 A HK 05108196A HK 1074269 A1 HK1074269 A1 HK 1074269A1
Authority
HK
Hong Kong
Prior art keywords
fourier transform
discrete fourier
transform method
prime factor
factor algorithm
Prior art date
Application number
HK05108196A
Other languages
English (en)
Inventor
Ryan Samuel Buchert
Sharif M Shahrier
Peter Becker
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of HK1074269A1 publication Critical patent/HK1074269A1/xx

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
    • 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

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)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
HK05108196A 2002-04-11 2005-09-20 Optimized discrete fourier transform method and apparatus using prime factor algorithm HK1074269A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/120,971 US6704760B2 (en) 2002-04-11 2002-04-11 Optimized discrete fourier transform method and apparatus using prime factor algorithm
PCT/US2003/011097 WO2003102809A1 (en) 2002-04-11 2003-04-10 Optimized discrete fourier transform method and apparatus using prime factor algorithm

Publications (1)

Publication Number Publication Date
HK1074269A1 true HK1074269A1 (en) 2005-11-04

Family

ID=28790220

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05108196A HK1074269A1 (en) 2002-04-11 2005-09-20 Optimized discrete fourier transform method and apparatus using prime factor algorithm

Country Status (9)

Country Link
US (3) US6704760B2 (xx)
EP (1) EP1493098A4 (xx)
JP (1) JP4163178B2 (xx)
KR (2) KR20050098967A (xx)
CN (2) CN100346336C (xx)
AU (1) AU2003237804A1 (xx)
HK (1) HK1074269A1 (xx)
NO (1) NO20044880L (xx)
WO (1) WO2003102809A1 (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6847778B1 (en) * 1999-03-30 2005-01-25 Tivo, Inc. Multimedia visual progress indication system
US20030182342A1 (en) * 2002-03-25 2003-09-25 Murphy Charles Douglas Low-cost multiplication in small DFT butterflies
US20030212722A1 (en) * 2002-05-07 2003-11-13 Infineon Technologies Aktiengesellschaft. Architecture for performing fast fourier-type transforms
TW200602902A (en) * 2004-07-12 2006-01-16 Benq Corp Method of calculating FFT
JP4687948B2 (ja) * 2004-10-29 2011-05-25 ソニー株式会社 ディジタル信号処理装置、ディジタル信号処理方法及びプログラム並びに認証装置
CN100442272C (zh) * 2005-10-31 2008-12-10 凌阳科技股份有限公司 数字信号处理装置
KR100762281B1 (ko) * 2005-12-08 2007-10-01 한국전자통신연구원 고속 푸리에 변환 시스템의 메모리 주소 생성 방법 및 그를이용한 트위들 팩터 생성 장치
US20070299903A1 (en) * 2006-06-27 2007-12-27 Nokia Corporation Optimized DFT implementation
EP2250581B1 (en) * 2008-01-31 2015-09-02 Qualcomm Incorporated Device for dft calculation
WO2009128033A2 (en) * 2008-04-18 2009-10-22 Nxp B.V. System and method for configurable mixed radix fft architecture for multimode device
EP2144174A1 (en) 2008-07-07 2010-01-13 Mitsubishi Electric R&D Centre Europe B.V. Parallelized hardware architecture to compute different sizes of DFT
EP2144172A1 (en) 2008-07-07 2010-01-13 Mitsubishi Electric R&D Centre Europe B.V. Computation module to compute a multi radix butterfly to be used in DTF computation
EP2144173A1 (en) 2008-07-07 2010-01-13 Mitsubishi Electric R&D Centre Europe B.V. Hardware architecture to compute different sizes of DFT
AU2009291506A1 (en) * 2008-09-10 2010-03-18 Co-Operative Research Centre For Advanced Automotive Technology Ltd Method and device for computing matrices for Discrete Fourier Transform (DFT) coefficients
US8438204B2 (en) * 2008-12-18 2013-05-07 Lsi Corporation Apparatus for calculating an N-point discrete fourier transform
KR101183658B1 (ko) * 2008-12-19 2012-09-17 한국전자통신연구원 이산 퓨리에 변환의 고속 처리 장치 및 방법
KR101105399B1 (ko) * 2008-12-22 2012-01-17 한국전자통신연구원 직교주파수분할다중접속 시스템의 시간 동기 검출 장치 및 방법과 수신 장치
US20120131081A1 (en) * 2010-11-22 2012-05-24 Apple Inc. Hybrid Fast Fourier Transform
CN102609396A (zh) * 2012-01-19 2012-07-25 中国传媒大学 一种drm系统中离散傅里叶变换处理装置和方法
US8990281B2 (en) 2012-09-21 2015-03-24 International Business Machines Corporation Techniques for improving the efficiency of mixed radix fast fourier transform
CN105988973B (zh) * 2015-02-13 2019-04-19 上海澜至半导体有限公司 快速傅里叶变换/快速傅里叶变换的方法和电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS6014386B2 (ja) 1978-12-25 1985-04-12 日本電信電話株式会社 離散的フ−リエ変換器
GB2084362B (en) * 1980-09-19 1984-07-11 Solartron Electronic Group Apparatus for performing the discrete fourier transform
US4604721A (en) * 1981-10-13 1986-08-05 Trw Inc. Computer and method for high speed prime factor transform
JPH05204810A (ja) 1992-01-29 1993-08-13 Fujitsu Ltd 電文通信方式
US6351759B1 (en) * 1999-02-26 2002-02-26 Trw Inc. Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
US6625630B1 (en) * 2000-06-05 2003-09-23 Dsp Group Ltd. Two cycle FFT

Also Published As

Publication number Publication date
US7720897B2 (en) 2010-05-18
EP1493098A4 (en) 2009-11-11
KR20040097339A (ko) 2004-11-17
CN101149730B (zh) 2010-06-23
JP2005522804A (ja) 2005-07-28
WO2003102809A1 (en) 2003-12-11
US6704760B2 (en) 2004-03-09
CN101149730A (zh) 2008-03-26
JP4163178B2 (ja) 2008-10-08
US20060184598A1 (en) 2006-08-17
KR100686992B1 (ko) 2007-02-27
US20030195911A1 (en) 2003-10-16
AU2003237804A1 (en) 2003-12-19
EP1493098A1 (en) 2005-01-05
CN100346336C (zh) 2007-10-31
KR20050098967A (ko) 2005-10-12
US7028064B2 (en) 2006-04-11
CN1647066A (zh) 2005-07-27
NO20044880L (no) 2005-01-03
US20040162867A1 (en) 2004-08-19

Similar Documents

Publication Publication Date Title
HK1074269A1 (en) Optimized discrete fourier transform method and apparatus using prime factor algorithm
AU2003225821A8 (en) Wave forming apparatus and method
AU2003259925A8 (en) Well treatment apparatus and method
AU2003220088A8 (en) Ald method and apparatus
GB0218836D0 (en) Apparatus and method
SG102030A1 (en) Desalination method and desalination apparatus
EP1684666A4 (en) ANEURYSMA TREATMENT SYSTEM AND METHOD
EP1596707A4 (en) DEVICE AND METHOD FOR TREATING ACNE
EP1547755A4 (en) PIPE CONNECTION DEVICE AND TUBE CONNECTION METHOD
EP1555111A4 (en) APPARATUS AND METHOD FOR ASSEMBLING TUBES
EP1672093A4 (en) APPARATUS AND METHOD FOR FORMING FILMS
EP1627319A4 (en) AUTHENTICATION PROCESS AND DEVICE
AU2003235890A8 (en) Descaling method and descaling apparatus
GB2389502B (en) Writeboard method and apparatus
GB0201955D0 (en) Apparatus and method
GB2390025B (en) Dermatological treatment apparatus and method
EP1367582A4 (en) MODULATION DEVICE AND METHOD
GB0230237D0 (en) Apparatus and method
HK1062857A1 (en) Film-bonding apparatus and film-bonding method
HUP0500742A2 (en) Meat rolling device and method for treating meat
GB0219068D0 (en) Apparatus and method
GB0323038D0 (en) Method and apparatus for improved inverse transform calculation
EP1683889A4 (en) METHOD AND DEVICE FOR SURFACE TREATMENT
AU2003268983A8 (en) Method and apparatus for treating liquids
GB2395283B (en) Apparatus and method

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110410