IT1151016B - Apparecchiatura per calcolare le trasformate di fourier discrete bidimensionali - Google Patents
Apparecchiatura per calcolare le trasformate di fourier discrete bidimensionaliInfo
- Publication number
- IT1151016B IT1151016B IT23019/80A IT2301980A IT1151016B IT 1151016 B IT1151016 B IT 1151016B IT 23019/80 A IT23019/80 A IT 23019/80A IT 2301980 A IT2301980 A IT 2301980A IT 1151016 B IT1151016 B IT 1151016B
- Authority
- IT
- Italy
- Prior art keywords
- calculate
- equipment
- dimensional fourier
- discrete processes
- fourier discrete
- Prior art date
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
- G06F17/144—Prime factor Fourier transforms, e.g. Winograd transforms, number theoretic transforms
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 |
---|---|---|---|
FR7918530A FR2461304A1 (fr) | 1979-07-12 | 1979-07-12 | Appareil de calcul de transformee de fourier discrete bidimensionnelle |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8023019A0 IT8023019A0 (it) | 1980-06-26 |
IT1151016B true IT1151016B (it) | 1986-12-17 |
Family
ID=9227995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23019/80A IT1151016B (it) | 1979-07-12 | 1980-06-26 | Apparecchiatura per calcolare le trasformate di fourier discrete bidimensionali |
Country Status (6)
Country | Link |
---|---|
US (1) | US4328555A (it) |
EP (1) | EP0022513B1 (it) |
JP (1) | JPS6037514B2 (it) |
DE (1) | DE3069498D1 (it) |
FR (1) | FR2461304A1 (it) |
IT (1) | IT1151016B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE892241A (fr) * | 1982-02-23 | 1982-06-16 | Dev Et D Industrialisation Des | Circuit de calcul rapide de la transformee de fourier discrete d'un signal, destine notamment a un appareil de controle par courants de foucault. |
US4554629A (en) * | 1983-02-22 | 1985-11-19 | Smith Jr Winthrop W | Programmable transform processor |
US4601006A (en) * | 1983-10-06 | 1986-07-15 | Research Corporation | Architecture for two dimensional fast fourier transform |
US4984189A (en) * | 1985-04-03 | 1991-01-08 | Nec Corporation | Digital data processing circuit equipped with full bit string reverse control circuit and shifter to perform full or partial bit string reverse operation and data shift operation |
US4764974A (en) * | 1986-09-22 | 1988-08-16 | Perceptics Corporation | Apparatus and method for processing an image |
US4821224A (en) * | 1986-11-03 | 1989-04-11 | Microelectronics Center Of N.C. | Method and apparatus for processing multi-dimensional data to obtain a Fourier transform |
US4823295A (en) * | 1986-11-10 | 1989-04-18 | Harris Corp. | High speed signal processor |
US4930513A (en) * | 1988-07-26 | 1990-06-05 | U.S. Philips Corporation | Two dimensional processing of pulsed Doppler signals |
US5136660A (en) * | 1989-10-13 | 1992-08-04 | International Business Machines Corporation | Apparatus and method for computing the radon transform of digital images |
US5097487A (en) * | 1989-10-24 | 1992-03-17 | Walp Patrick K | Local oscillator signal generating system for digital demodulator |
US6073154A (en) * | 1998-06-26 | 2000-06-06 | Xilinx, Inc. | Computing multidimensional DFTs in FPGA |
US8302083B2 (en) * | 2009-01-23 | 2012-10-30 | Lsi Corporation | Architecture and implementation method of programmable arithmetic controller for cryptographic applications |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3952186A (en) * | 1975-02-10 | 1976-04-20 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for the generation of a two-dimensional discrete fourier transform |
-
1979
- 1979-07-12 FR FR7918530A patent/FR2461304A1/fr not_active Withdrawn
-
1980
- 1980-06-18 JP JP55081513A patent/JPS6037514B2/ja not_active Expired
- 1980-06-26 IT IT23019/80A patent/IT1151016B/it active
- 1980-06-30 US US06/164,121 patent/US4328555A/en not_active Expired - Lifetime
- 1980-07-01 EP EP80103733A patent/EP0022513B1/fr not_active Expired
- 1980-07-01 DE DE8080103733T patent/DE3069498D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5614371A (en) | 1981-02-12 |
EP0022513A1 (fr) | 1981-01-21 |
DE3069498D1 (en) | 1984-11-29 |
EP0022513B1 (fr) | 1984-10-24 |
FR2461304A1 (fr) | 1981-01-30 |
US4328555A (en) | 1982-05-04 |
JPS6037514B2 (ja) | 1985-08-27 |
IT8023019A0 (it) | 1980-06-26 |
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