KR100551111B1 - 파이프라인 고속 푸리에 변환 프로세서 - Google Patents

파이프라인 고속 푸리에 변환 프로세서 Download PDF

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KR100551111B1
KR100551111B1 KR1020007008017A KR20007008017A KR100551111B1 KR 100551111 B1 KR100551111 B1 KR 100551111B1 KR 1020007008017 A KR1020007008017 A KR 1020007008017A KR 20007008017 A KR20007008017 A KR 20007008017A KR 100551111 B1 KR100551111 B1 KR 100551111B1
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butterfly
multiplier
obvious
fourier transform
factor
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KR20010034300A (ko
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헬베르크리카르트비거
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텔레폰악티에볼라겟엘엠에릭슨(펍)
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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

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  • 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)
KR1020007008017A 1998-01-21 1998-12-18 파이프라인 고속 푸리에 변환 프로세서 Expired - Lifetime KR100551111B1 (ko)

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US09/010,130 1998-01-21
US09/010,130 US6061705A (en) 1998-01-21 1998-01-21 Power and area efficient fast fourier transform processor

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KR20010034300A KR20010034300A (ko) 2001-04-25
KR100551111B1 true KR100551111B1 (ko) 2006-02-09

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US (1) US6061705A (enExample)
EP (1) EP1051680A1 (enExample)
JP (1) JP2002501253A (enExample)
KR (1) KR100551111B1 (enExample)
CN (1) CN1109991C (enExample)
AU (1) AU753685B2 (enExample)
CA (1) CA2318449C (enExample)
TW (1) TW409212B (enExample)
WO (1) WO1999038089A1 (enExample)

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CN100553245C (zh) * 2006-03-28 2009-10-21 威盛电子股份有限公司 快速傅里叶转换处理器以及正交载波分频多任务解调器
CN101154215B (zh) * 2006-09-27 2011-08-24 昆山杰得微电子有限公司 基23频域取样快速傅立叶变换的硬件结构
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KR100890768B1 (ko) * 2007-03-21 2009-04-02 (주)카이로넷 데이터 변환 프로세서 및 이를 갖는직교주파수분할다중변조 수신장치
US8275820B2 (en) * 2007-07-06 2012-09-25 Mediatek Inc. Variable length FFT system and method
US7675847B2 (en) 2007-07-10 2010-03-09 Wipro Limited Hardware implementation of a programmable FFT based on a half length FFT core
KR101359033B1 (ko) * 2007-09-21 2014-02-11 삼성전자주식회사 이산 푸리에 변환 장치 및 방법
EP2250581B1 (en) * 2008-01-31 2015-09-02 Qualcomm Incorporated Device for dft calculation
JP5131346B2 (ja) * 2008-03-03 2013-01-30 富士通株式会社 無線通信装置
US20100082722A1 (en) * 2008-09-26 2010-04-01 Sinnokrot Mohanned O Methods and Apparatuses for Detection and Estimation with Fast Fourier Transform (FFT) in Orthogonal Frequency Division Multiplexing (OFDM) Communication Systems
TWI402695B (zh) * 2010-07-12 2013-07-21 Novatek Microelectronics Corp 分裂基數－２／８快速傅立葉轉換裝置及方法
KR20120070746A (ko) * 2010-12-22 2012-07-02 한국전자통신연구원 고속 푸리에 변환 수행 방법 및 장치
KR20120072226A (ko) * 2010-12-23 2012-07-03 한국전자통신연구원 고속 퓨리에 변환기
FR2972091A1 (fr) * 2011-02-28 2012-08-31 France Telecom Procede de modulation d'un signal multiporteuse de type oqam, programme d'ordinateur et modulateur correspondants
JP5724739B2 (ja) * 2011-08-09 2015-05-27 富士通株式会社 離散フーリエ演算装置、無線通信装置及び離散フーリエ演算方法
JPWO2013042249A1 (ja) * 2011-09-22 2015-03-26 富士通株式会社 高速フーリエ変換回路
US9525579B2 (en) * 2012-07-18 2016-12-20 Nec Corporation FFT circuit
US9275014B2 (en) 2013-03-13 2016-03-01 Qualcomm Incorporated Vector processing engines having programmable data path configurations for providing multi-mode radix-2x butterfly vector processing circuits, and related vector processors, systems, and methods
TWI506457B (zh) * 2014-09-26 2015-11-01 Univ Nat Chiao Tung 折疊式蝶形模組、管線式快速傅利葉轉換處理器及控制方法
CN106549882B (zh) * 2015-09-16 2020-01-31 北京展讯高科通信技术有限公司 等效信道矩阵计算方法及装置
CN105701036B (zh) * 2016-01-19 2019-03-05 中国人民解放军国防科学技术大学 一种支持变形基16fft算法并行访存的地址转换单元
US10140250B2 (en) * 2016-01-28 2018-11-27 Cavium Methods and apparatus for providing an FFT engine using a reconfigurable single delay feedback architecture
CN107544942B (zh) * 2017-07-13 2020-10-02 天津大学 一种快速傅里叶变换的vlsi设计方法
CN111868682B (zh) * 2018-02-27 2024-05-28 泽腾系统有限公司 用于异构数据的可扩展变换处理单元
CN109359267B (zh) * 2018-10-18 2022-11-01 哈尔滨工程大学 一种基于动态截位的低复杂度无乘法器定点fft优化方法
US11221397B2 (en) * 2019-04-05 2022-01-11 Texas Instruments Incorporated Two-dimensional FFT computation
CN111210806B (zh) * 2020-01-10 2022-06-17 东南大学 一种基于串行fft的低功耗mfcc语音特征提取电路
CN112822139B (zh) * 2021-02-04 2023-01-31 展讯半导体(成都)有限公司 数据输入、数据转换方法及装置
CN114186183B (zh) * 2021-12-01 2024-04-16 中国电子科技集团公司第二十研究所 一种轻量化的fft运算方法及其实现装置
JP2025093445A (ja) * 2023-12-12 2025-06-24 国立大学法人京都大学 フーリエ変換装置および無線通信装置

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Publication number Publication date
CA2318449A1 (en) 1999-07-29
CN1290369A (zh) 2001-04-04
JP2002501253A (ja) 2002-01-15
TW409212B (en) 2000-10-21
US6061705A (en) 2000-05-09
AU2193599A (en) 1999-08-09
WO1999038089A1 (en) 1999-07-29
CA2318449C (en) 2006-03-28
CN1109991C (zh) 2003-05-28
EP1051680A1 (en) 2000-11-15
KR20010034300A (ko) 2001-04-25
AU753685B2 (en) 2002-10-24

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