ATE443896T1 - Verfahren und vorrichtung zur transformationsberechnung - Google Patents
Verfahren und vorrichtung zur transformationsberechnungInfo
- Publication number
- ATE443896T1 ATE443896T1 AT07111255T AT07111255T ATE443896T1 AT E443896 T1 ATE443896 T1 AT E443896T1 AT 07111255 T AT07111255 T AT 07111255T AT 07111255 T AT07111255 T AT 07111255T AT E443896 T1 ATE443896 T1 AT E443896T1
- Authority
- AT
- Austria
- Prior art keywords
- locations
- data values
- transform
- determined
- buffer
- Prior art date
Links
Classifications
-
- 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
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)
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 |
|---|---|
| ATE443896T1 true ATE443896T1 (de) | 2009-10-15 |
Family
ID=39323944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT07111255T ATE443896T1 (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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2715544B1 (de) * | 2011-06-03 | 2022-12-21 | Exelis Inc. | Verfahren und system für eine eingebettete und rekonfigurierbare hochleistungs-firmware-verschlüsselung |
| WO2013097235A1 (zh) * | 2011-12-31 | 2013-07-04 | 中国科学院自动化研究所 | 并行位反序装置和方法 |
| 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)
| 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 |
| DE69837299T2 (de) * | 1997-01-22 | 2007-06-28 | Matsushita Electric Industrial Co., Ltd., Kadoma | 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) |
| KR101045713B1 (ko) * | 2006-04-28 | 2011-06-30 | 콸콤 인코포레이티드 | 멀티―포트 혼합―라딕스 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 |
-
2007
- 2007-06-28 EP EP07111255A patent/EP2009555B1/de not_active Not-in-force
- 2007-06-28 AT AT07111255T patent/ATE443896T1/de not_active IP Right Cessation
- 2007-06-28 DE DE602007002558T patent/DE602007002558D1/de active Active
-
2008
- 2008-06-26 US US12/666,547 patent/US8788558B2/en not_active Expired - Fee Related
- 2008-06-26 JP JP2010513926A patent/JP5364703B2/ja not_active Expired - Fee Related
- 2008-06-26 WO PCT/EP2008/058218 patent/WO2009000905A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE602007002558D1 (de) | 2009-11-05 |
| JP2010531504A (ja) | 2010-09-24 |
| JP5364703B2 (ja) | 2013-12-11 |
| EP2009555B1 (de) | 2009-09-23 |
| EP2009555A1 (de) | 2008-12-31 |
| US20100185715A1 (en) | 2010-07-22 |
| WO2009000905A1 (en) | 2008-12-31 |
| US8788558B2 (en) | 2014-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |