BE774086A - Processeur rapide pour la transformation en serie de fourier - Google Patents
Processeur rapide pour la transformation en serie de fourierInfo
- Publication number
- BE774086A BE774086A BE774086A BE774086A BE774086A BE 774086 A BE774086 A BE 774086A BE 774086 A BE774086 A BE 774086A BE 774086 A BE774086 A BE 774086A BE 774086 A BE774086 A BE 774086A
- Authority
- BE
- Belgium
- Prior art keywords
- fourier series
- fast processor
- series transformation
- transformation
- fast
- Prior art date
Links
- 230000009466 transformation Effects 0.000 title 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8257270A | 1970-10-21 | 1970-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE774086A true BE774086A (fr) | 1972-02-14 |
Family
ID=22172019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE774086A BE774086A (fr) | 1970-10-21 | 1971-10-18 | Processeur rapide pour la transformation en serie de fourier |
Country Status (9)
Country | Link |
---|---|
US (1) | US3702393A (fr) |
JP (1) | JPS547178B1 (fr) |
BE (1) | BE774086A (fr) |
CA (1) | CA945261A (fr) |
DE (1) | DE2151974A1 (fr) |
FR (1) | FR2111632A5 (fr) |
GB (1) | GB1328489A (fr) |
NL (1) | NL7114286A (fr) |
SE (1) | SE364384B (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3781822A (en) * | 1972-08-09 | 1973-12-25 | Bell Telephone Labor Inc | Data rate-changing and reordering circuits |
US4045616A (en) * | 1975-05-23 | 1977-08-30 | Time Data Corporation | Vocoder system |
FR2326743A1 (fr) * | 1975-10-02 | 1977-04-29 | Thomson Csf | Calculateur de transformee de fourier discrete |
FR2409522A1 (fr) * | 1977-11-17 | 1979-06-15 | Nippon Electric Co | Radar d'indication de cibles mobiles |
US4231102A (en) * | 1978-12-21 | 1980-10-28 | Raytheon Company | Cordic FFT processor |
US4243935A (en) * | 1979-05-18 | 1981-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive detector |
US4534009A (en) * | 1982-05-10 | 1985-08-06 | The United States Of America As Represented By The Secretary Of The Navy | Pipelined FFT processor |
US4563750A (en) * | 1983-03-04 | 1986-01-07 | Clarke William L | Fast Fourier transform apparatus with data timing schedule decoupling |
US4764974A (en) * | 1986-09-22 | 1988-08-16 | Perceptics Corporation | Apparatus and method for processing an image |
FR2608808B1 (fr) * | 1986-12-22 | 1989-04-28 | Efcis | Circuit integre de traitement numerique de signaux |
KR890702151A (ko) * | 1987-08-21 | 1989-12-23 | 앨프리드 퍼어내트 | 변환 프로세싱 회로 |
US5694347A (en) * | 1991-12-19 | 1997-12-02 | Hughes Electronics | Digital signal processing system |
EP0613249A1 (fr) * | 1993-02-12 | 1994-08-31 | Altera Corporation | Table de consultation personnalisée avec un nombre réduit des bits d'architecture |
US5524258A (en) * | 1994-06-29 | 1996-06-04 | General Electric Company | Real-time processing of packetized time-sampled signals employing a systolic array |
JPH08320858A (ja) * | 1995-05-25 | 1996-12-03 | Sony Corp | フーリエ変換演算装置および方法 |
JPH08320857A (ja) * | 1995-05-25 | 1996-12-03 | Sony Corp | フーリエ変換演算装置および方法 |
JP4248027B2 (ja) * | 1998-04-09 | 2009-04-02 | エヌエックスピー ビー ヴィ | データ要素の系列を変換する装置 |
US6625630B1 (en) * | 2000-06-05 | 2003-09-23 | Dsp Group Ltd. | Two cycle FFT |
US6917955B1 (en) * | 2002-04-25 | 2005-07-12 | Analog Devices, Inc. | FFT processor suited for a DMT engine for multichannel CO ADSL application |
US20090172062A1 (en) * | 2007-12-31 | 2009-07-02 | Broadcom Corporation | Efficient fixed-point implementation of an fft |
US9170985B1 (en) * | 2012-12-31 | 2015-10-27 | Altera Corporation | Bidirectional fast fourier transform in an integrated circuit device |
US9279883B2 (en) | 2013-02-19 | 2016-03-08 | Infineon Technologies Ag | Method and device for radar applications |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3544775A (en) * | 1966-12-29 | 1970-12-01 | Bell Telephone Labor Inc | Digital processor for calculating fourier coefficients |
US3588460A (en) * | 1968-07-01 | 1971-06-28 | Bell Telephone Labor Inc | Fast fourier transform processor |
-
1970
- 1970-10-21 US US82572A patent/US3702393A/en not_active Expired - Lifetime
-
1971
- 1971-07-20 GB GB3397871A patent/GB1328489A/en not_active Expired
- 1971-08-25 CA CA121,321A patent/CA945261A/en not_active Expired
- 1971-10-14 SE SE13032/71A patent/SE364384B/xx unknown
- 1971-10-18 BE BE774086A patent/BE774086A/fr unknown
- 1971-10-18 NL NL7114286A patent/NL7114286A/xx not_active Application Discontinuation
- 1971-10-19 DE DE19712151974 patent/DE2151974A1/de not_active Withdrawn
- 1971-10-20 FR FR7137746A patent/FR2111632A5/fr not_active Expired
- 1971-10-21 JP JP8293271A patent/JPS547178B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA945261A (en) | 1974-04-09 |
US3702393A (en) | 1972-11-07 |
GB1328489A (en) | 1973-08-30 |
DE2151974A1 (de) | 1972-04-27 |
FR2111632A5 (fr) | 1972-06-02 |
NL7114286A (fr) | 1972-04-25 |
JPS547178B1 (fr) | 1979-04-04 |
SE364384B (fr) | 1974-02-18 |
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