CN103186503B - 一种fft/dft倒序排列系统与方法及其运算系统 - Google Patents
一种fft/dft倒序排列系统与方法及其运算系统 Download PDFInfo
- Publication number
- CN103186503B CN103186503B CN201110444738.3A CN201110444738A CN103186503B CN 103186503 B CN103186503 B CN 103186503B CN 201110444738 A CN201110444738 A CN 201110444738A CN 103186503 B CN103186503 B CN 103186503B
- Authority
- CN
- China
- Prior art keywords
- inverted order
- data
- control signal
- fft
- dft
- 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
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
- G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
- H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Complex Calculations (AREA)
Abstract
Description
Claims (10)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110444738.3A CN103186503B (zh) | 2011-12-27 | 2011-12-27 | 一种fft/dft倒序排列系统与方法及其运算系统 |
JP2014549307A JP2015503785A (ja) | 2011-12-27 | 2012-06-28 | Fft/dftの逆順ソーティングシステム、方法およびその演算システム |
KR1020147020943A KR101696987B1 (ko) | 2011-12-27 | 2012-06-28 | Fft/dft의 역순 배열 시스템과 방법 및 그 연산 시스템 |
PCT/CN2012/077800 WO2013097436A1 (zh) | 2011-12-27 | 2012-06-28 | 一种fft/dft的倒序排列系统与方法及其运算系统 |
EP12862239.6A EP2800010A4 (en) | 2011-12-27 | 2012-06-28 | FFT / DFT RECYCLING SYSTEM AND METHOD AND CALCULATION SYSTEM THEREFOR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110444738.3A CN103186503B (zh) | 2011-12-27 | 2011-12-27 | 一种fft/dft倒序排列系统与方法及其运算系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103186503A CN103186503A (zh) | 2013-07-03 |
CN103186503B true CN103186503B (zh) | 2017-05-17 |
Family
ID=48677674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110444738.3A Expired - Fee Related CN103186503B (zh) | 2011-12-27 | 2011-12-27 | 一种fft/dft倒序排列系统与方法及其运算系统 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2800010A4 (zh) |
JP (1) | JP2015503785A (zh) |
KR (1) | KR101696987B1 (zh) |
CN (1) | CN103186503B (zh) |
WO (1) | WO2013097436A1 (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10013253B2 (en) * | 2014-12-23 | 2018-07-03 | Intel Corporation | Method and apparatus for performing a vector bit reversal |
CN107948102A (zh) * | 2016-10-12 | 2018-04-20 | 深圳市中兴微电子技术有限公司 | 一种矢量数据的并行排序网络及方法 |
CN109522674A (zh) * | 2018-12-05 | 2019-03-26 | 天津大学 | 基2-2算法的快速傅里叶变换硬件设计方法 |
CN112667959B (zh) * | 2020-12-30 | 2024-02-23 | 上海金卓科技有限公司 | 混合基dft处理方法、装置、设备及存储介质 |
CN114578093B (zh) * | 2022-03-10 | 2023-08-18 | 中国计量科学研究院 | 一种基于混合基fft的激光多普勒测速仪测速方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102129419A (zh) * | 2011-03-04 | 2011-07-20 | 中山大学 | 基于快速傅立叶变换的处理器 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731284A (en) * | 1971-12-27 | 1973-05-01 | Bell Telephone Labor Inc | Method and apparatus for reordering data |
JPH06342449A (ja) * | 1993-06-01 | 1994-12-13 | Fujitsu Ltd | データ並べ替え回路,及び、高速フーリエ変換回路 |
US6609140B1 (en) * | 1999-11-30 | 2003-08-19 | Mercury Computer Systems, Inc. | Methods and apparatus for fast fourier transforms |
US7062523B1 (en) * | 2000-08-01 | 2006-06-13 | Analog Devices, Inc. | Method for efficiently computing a fast fourier transform |
KR100692997B1 (ko) * | 2001-04-17 | 2007-03-12 | 삼성전자주식회사 | 패스트퓨리에변환 장치 |
CA2352683C (en) * | 2001-07-09 | 2005-11-15 | Tropic Networks Inc. | Real-time method for bit-reversal of large size arrays |
US20040059766A1 (en) * | 2002-09-23 | 2004-03-25 | Yeou-Min Yeh | Pipelined low complexity FFT/IFFT processor |
CN101083643A (zh) * | 2006-05-31 | 2007-12-05 | 中国科学院微电子研究所 | 一种低存储器开销的混合基fft处理器及其方法 |
CN101404550B (zh) * | 2008-07-08 | 2010-07-28 | 宁波中科集成电路设计中心有限公司 | 一种drm接收机中基于正交频分复用的解调器 |
JP5556323B2 (ja) * | 2010-04-15 | 2014-07-23 | 日本電気株式会社 | データ並び替え回路に対する制御情報自動生成方法、データ並び替え回路、コンピュータ、及び制御情報自動生成プログラム |
CN102346728B (zh) * | 2010-07-29 | 2016-02-10 | 中兴通讯股份有限公司 | 一种采用矢量处理器实现fft/dft倒序的方法和装置 |
-
2011
- 2011-12-27 CN CN201110444738.3A patent/CN103186503B/zh not_active Expired - Fee Related
-
2012
- 2012-06-28 JP JP2014549307A patent/JP2015503785A/ja active Pending
- 2012-06-28 KR KR1020147020943A patent/KR101696987B1/ko active IP Right Grant
- 2012-06-28 WO PCT/CN2012/077800 patent/WO2013097436A1/zh active Application Filing
- 2012-06-28 EP EP12862239.6A patent/EP2800010A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102129419A (zh) * | 2011-03-04 | 2011-07-20 | 中山大学 | 基于快速傅立叶变换的处理器 |
Non-Patent Citations (3)
Title |
---|
FFT快速整序算法的对比、改进及实现;贾渊,等.;《电子科技大学学报》;20090331;第38卷(第2期);第292-295页 * |
The FFT Algorithm for the Production of K Permutation Factor Circulant Matrices;Zhao Wenling,Song Daojing.;《2009 ISECS International Colloquium on Computing, Communication, Control, and Management》;20091231;第347-350页 * |
基于查找表的单基 FFT原址倒序算法;汪海兵,等.;《清华大学学报(自然科学版)》;20081231;第48卷(第1期);第43-45,50页 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013097436A1 (zh) | 2013-07-04 |
KR101696987B1 (ko) | 2017-01-16 |
EP2800010A1 (en) | 2014-11-05 |
CN103186503A (zh) | 2013-07-03 |
JP2015503785A (ja) | 2015-02-02 |
EP2800010A4 (en) | 2015-08-05 |
KR20140116160A (ko) | 2014-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103186503B (zh) | 一种fft/dft倒序排列系统与方法及其运算系统 | |
US11620491B2 (en) | Neural processor | |
CN101571849B (zh) | 一种快速傅立叶变换处理器及其方法 | |
CN112465110B (zh) | 一种卷积神经网络计算优化的硬件加速装置 | |
JP3749022B2 (ja) | 高速フーリエ変換を用いて短い待ち時間でアレイ処理を行う並列システム | |
CN103049241B (zh) | 一种提高cpu+gpu异构装置计算性能的方法 | |
CN111062472A (zh) | 一种基于结构化剪枝的稀疏神经网络加速器及其加速方法 | |
CN103699515B (zh) | 一种fft并行处理装置和方法 | |
CN104268124B (zh) | 一种fft实现装置和方法 | |
CN111737638A (zh) | 基于傅里叶变换的数据处理方法及相关装置 | |
CN108710943A (zh) | 一种多层前馈神经网络并行加速器 | |
CN107133194A (zh) | 基于混合基底的可配置fft/ifft协处理器 | |
WO2013097217A1 (zh) | 一种多粒度并行fft蝶形计算的方法及相应的装置 | |
Crocetti et al. | Bandwidth advertising for MAN/ATM connectionless internetting | |
CN105955896A (zh) | 一种可重构dbf算法硬件加速器及控制方法 | |
US9268744B2 (en) | Parallel bit reversal devices and methods | |
EP2538345A1 (en) | Fast fourier transform circuit | |
CN116303219A (zh) | 一种网格文件的获取方法、装置及电子设备 | |
Honbo et al. | Efficient Pairwise Statistical Significance Estimation using FPGAs. | |
Zhang et al. | Small area high speed configurable FFT processor | |
CN113159302A (zh) | 一种用于可重构神经网络处理器的路由结构 | |
KR100617248B1 (ko) | 고속 푸리에 변환 장치 및 방법 | |
CN106970895B (zh) | 基于fpga的fft装置及方法 | |
CN113705773B (zh) | 用于图神经网络推理的动态可重构pe单元及pe阵列 | |
CN113535637B (zh) | 一种运算加速单元及其运行方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20151015 Address after: Dameisha Yantian District of Shenzhen City, Guangdong province 518085 Building No. 1 Applicant after: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Applicant before: ZTE Corporation |
|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20130703 Assignee: Xi'an Chris Semiconductor Technology Co. Ltd. Assignor: SHENZHEN ZTE MICROELECTRONICS TECHNOLOGY CO., LTD. Contract record no.: 2019440020036 Denomination of invention: A FFT/DFT Inverse Arrangement System and Method and Its Operating System Granted publication date: 20170517 License type: Common License Record date: 20190619 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20191227 |
|
CF01 | Termination of patent right due to non-payment of annual fee |