DE602007002558D1 - Verfahren und Vorrichtung zur Transformationsberechnung - Google Patents

Verfahren und Vorrichtung zur Transformationsberechnung

Info

Publication number
DE602007002558D1
DE602007002558D1 DE602007002558T DE602007002558T DE602007002558D1 DE 602007002558 D1 DE602007002558 D1 DE 602007002558D1 DE 602007002558 T DE602007002558 T DE 602007002558T DE 602007002558 T DE602007002558 T DE 602007002558T DE 602007002558 D1 DE602007002558 D1 DE 602007002558D1
Authority
DE
Germany
Prior art keywords
locations
data values
transform
determined
buffer
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.)
Active
Application number
DE602007002558T
Other languages
English (en)
Inventor
Per Persson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE602007002558D1 publication Critical patent/DE602007002558D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Investigating Or Analysing Biological Materials (AREA)
DE602007002558T 2007-06-28 2007-06-28 Verfahren und Vorrichtung zur Transformationsberechnung Active DE602007002558D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07111255A EP2009555B1 (de) 2007-06-28 2007-06-28 Verfahren und Vorrichtung zur Transformationsberechnung

Publications (1)

Publication Number Publication Date
DE602007002558D1 true DE602007002558D1 (de) 2009-11-05

Family

ID=39323944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602007002558T Active DE602007002558D1 (de) 2007-06-28 2007-06-28 Verfahren und Vorrichtung zur Transformationsberechnung

Country Status (6)

Country Link
US (1) US8788558B2 (de)
EP (1) EP2009555B1 (de)
JP (1) JP5364703B2 (de)
AT (1) ATE443896T1 (de)
DE (1) DE602007002558D1 (de)
WO (1) WO2009000905A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012167227A1 (en) * 2011-06-03 2012-12-06 Exelis Inc. Method and system for embedded high performance reconfigurable firmware cipher
US9268744B2 (en) * 2011-12-31 2016-02-23 Institute Of Automation, Chinese Academy Of Sciences Parallel bit reversal devices and methods
US9098449B2 (en) * 2013-03-15 2015-08-04 Analog Devices, Inc. FFT accelerator
CN104462016B (zh) * 2013-09-22 2018-06-05 南京中兴软件有限责任公司 一种矢量运算核以及矢量处理器
US20220237259A1 (en) * 2021-01-28 2022-07-28 Stmicroelectronics, Inc. Methods and devices for fast fourier transforms

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673399A (en) * 1970-05-28 1972-06-27 Ibm Fft processor with unique addressing
US3871577A (en) * 1973-12-13 1975-03-18 Westinghouse Electric Corp Method and apparatus for addressing FFT processor
EP0855657B1 (de) * 1997-01-22 2007-03-14 Matsushita Electric Industrial Co., Ltd. System und Verfahren zur schnellen Fourier-Transformation
US6275781B1 (en) * 1997-07-29 2001-08-14 Skf Condition Monitoring, Inc. Vibration data processor and processing method
FR2772160B1 (fr) * 1997-12-08 2001-10-05 France Telecom Circuit de calcul de la transformee de fourier rapide et de la transformee de fourier rapide inverse
US6490672B1 (en) * 1998-05-18 2002-12-03 Globespanvirata, Inc. Method for computing a fast fourier transform and associated circuit for addressing a data memory
DE19906868C1 (de) * 1999-02-18 2000-05-04 Siemens Ag Verfahren und Vorrichtung zum Berechnen einer diskreten orthogonalen Transformation wie FFT oder IFFT
US6760741B1 (en) * 2000-06-05 2004-07-06 Corage Ltd. FFT pointer mechanism for FFT memory management
JP2002351858A (ja) * 2001-05-30 2002-12-06 Fujitsu Ltd 処理装置
US7340495B2 (en) * 2001-10-29 2008-03-04 Intel Corporation Superior misaligned memory load and copy using merge hardware
JP2003150576A (ja) 2001-11-16 2003-05-23 Matsushita Electric Ind Co Ltd Ｆｆｔ演算装置およびｆｆｔ演算方法
US7275147B2 (en) * 2003-03-31 2007-09-25 Hitachi, Ltd. Method and apparatus for data alignment and parsing in SIMD computer architecture
KR100518797B1 (ko) * 2004-01-07 2005-10-05 삼성전자주식회사 처리속도가 향상된 고속 퓨리에 변환 장치 및 그의 처리방법
US7555511B2 (en) * 2004-07-02 2009-06-30 Ceva D.S.P. Ltd. Methods for addressing input data values of a Fast Fourier Transform (FFT) calculation
KR100618889B1 (ko) * 2005-02-12 2006-09-01 삼성전자주식회사 메모리 사이즈를 감소시킬 수 있는 고속 푸리에 변환 프로세서
TWI298448B (en) * 2005-05-05 2008-07-01 Ind Tech Res Inst Memory-based fast fourier transformer (fft)
US8126953B2 (en) * 2006-04-28 2012-02-28 Qualcomm Incorporated Multi-port mixed-radix FFT
US8020075B2 (en) * 2007-03-16 2011-09-13 Apple Inc. Channel quality index feedback reduction for broadband systems
US8549059B2 (en) * 2009-01-08 2013-10-01 Texas Instruments Incorporated In-place fast fourier transform processor

Also Published As

Publication number Publication date
US8788558B2 (en) 2014-07-22
US20100185715A1 (en) 2010-07-22
EP2009555A1 (de) 2008-12-31
WO2009000905A1 (en) 2008-12-31
JP5364703B2 (ja) 2013-12-11
ATE443896T1 (de) 2009-10-15
JP2010531504A (ja) 2010-09-24
EP2009555B1 (de) 2009-09-23

Similar Documents

Publication Publication Date Title
SG190955A1 (en) Transaction log recovery
ATE531048T1 (de) Nicht flüchtiger speicher mit hintergrund- datensperren-caching während leseoperationen und entsprechende verfahren
DE502007004942D1 (de) Lesegerät für ein dokument, verfahren zum lesen eines datenobjekts und computerprogrammprodukt
ATE535866T1 (de) Copyback-optimierung für ein speichersystem
WO2015103290A3 (en) Multi-level data pattern generation for i/o testing of multilevel interfaces
ATE443896T1 (de) Verfahren und vorrichtung zur transformationsberechnung
DE602007013716D1 (de) Systeme, verfahren und vorrichtungen zur verwendung desselben speichertyps zur unterstützung eines fehlerprüfungsmodus und nicht-fehlerprüfungsmodus
WO2006026526A3 (en) Memory system and method for strobing data, command and address signals
TW200746155A (en) Semiconductor memory and method for testing the same
JP2011512599A5 (de)
EP2546752A4 (de) Speicherdiagnoseverfahren, speicherdiagnosevorrichtung und speicherdiagnoseprogramm
TW200713313A (en) Semiconductor memory device
WO2012040552A3 (en) Method and apparatus for universal logical operations
ATE503312T1 (de) Vorrichtung und verfahren zum speichern und lesen einer datei, die einen mediendatencontainer aufweist, und mediendatencontainer
DE602006003869D1 (de) System und verfahren für einen speicher mit kombiniertem leitungs- und wortzugang
ATE557347T1 (de) Parameterkopierverfahren und parameterkopiervorrichtung
EP2216712A3 (de) Informationsverarbeitungsvorrichtung, Informationsverarbeitungsverfahren und Programm
WO2008114670A1 (ja) 試験装置及び電子デバイス
ATE491208T1 (de) Verfahren und vorrichtung zur verbesserung der speicherleistungsfähigkeit
DE602005015327D1 (de) Vorrichtung und Verfahren zum Lesen von Daten in einer Ansammlung von elektronischen Bauteilen, die mit einem Kommunikationsbus verbunden sind, angewendet auf das Lesen einer Matrix von Pixeln
WO2010039243A3 (en) Methods and apparatus for analyzing locate and marking operations with respect to facilities maps
TW200709101A (en) Method and buffer memory system for processing image data of an image frame
ATE517412T1 (de) Verfahren zum betrieb einer datenaufzeichnungsvorrichtung
TW200641813A (en) Information recording medium, defect management method, information reading/writing device and information reading device
JP2008102705A5 (de)

Legal Events

Date Code Title Description
8364 No opposition during term of opposition