JPS52104031A - Digital filtering device - Google Patents
Digital filtering deviceInfo
- Publication number
- JPS52104031A JPS52104031A JP1031877A JP1031877A JPS52104031A JP S52104031 A JPS52104031 A JP S52104031A JP 1031877 A JP1031877 A JP 1031877A JP 1031877 A JP1031877 A JP 1031877A JP S52104031 A JPS52104031 A JP S52104031A
- Authority
- JP
- Japan
- Prior art keywords
- filtering device
- digital filtering
- digital
- filtering
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7605938A FR2342592A1 (fr) | 1976-02-26 | 1976-02-26 | Dispositif de filtrage numerique |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52104031A true JPS52104031A (en) | 1977-09-01 |
JPS6145408B2 JPS6145408B2 (ja) | 1986-10-08 |
Family
ID=9169863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1031877A Granted JPS52104031A (en) | 1976-02-26 | 1977-02-03 | Digital filtering device |
Country Status (5)
Country | Link |
---|---|
US (1) | US4118784A (ja) |
JP (1) | JPS52104031A (ja) |
DE (1) | DE2704641A1 (ja) |
FR (1) | FR2342592A1 (ja) |
GB (1) | GB1554064A (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4410955A (en) * | 1981-03-30 | 1983-10-18 | Motorola, Inc. | Method and apparatus for digital shaping of a digital data stream |
US4882668A (en) * | 1987-12-10 | 1989-11-21 | General Dynamics Corp., Pomona Division | Adaptive matched filter |
US4918742A (en) * | 1988-04-22 | 1990-04-17 | The Boeing Company | Image processing using multi-pass convolution with small kernels |
JPH02123441A (ja) * | 1988-11-02 | 1990-05-10 | Hitachi Ltd | データ記憶装置 |
JPH0358310U (ja) * | 1989-10-09 | 1991-06-06 | ||
US5270953A (en) * | 1991-05-23 | 1993-12-14 | Rockwell International Corporation | Fast convolution multiplier |
FR2731854B1 (fr) * | 1995-03-14 | 1997-04-25 | Thomson Consumer Electronics | Dispositif de filtrage digital |
US8499021B2 (en) * | 2010-08-25 | 2013-07-30 | Qualcomm Incorporated | Circuit and method for computing circular convolution in streaming mode |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3679882A (en) * | 1970-06-11 | 1972-07-25 | Ibm | Fourier digital filter or equalizer and method of operation therefor |
US3925646A (en) * | 1974-04-19 | 1975-12-09 | Battelle Memorial Institute | Information and process control enhancement system employing series of square wave components |
US4006351A (en) * | 1974-11-11 | 1977-02-01 | James Nickolas Constant | Recursive filter implemented as a matched clutter filter |
-
1976
- 1976-02-26 FR FR7605938A patent/FR2342592A1/fr active Granted
-
1977
- 1977-01-19 GB GB2057/77A patent/GB1554064A/en not_active Expired
- 1977-01-26 US US05/762,695 patent/US4118784A/en not_active Expired - Lifetime
- 1977-02-03 JP JP1031877A patent/JPS52104031A/ja active Granted
- 1977-02-04 DE DE19772704641 patent/DE2704641A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4118784A (en) | 1978-10-03 |
FR2342592B1 (ja) | 1981-08-21 |
JPS6145408B2 (ja) | 1986-10-08 |
DE2704641A1 (de) | 1977-09-01 |
GB1554064A (en) | 1979-10-17 |
FR2342592A1 (fr) | 1977-09-23 |
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