DE2451235C2 - Schaltungsanordnung für ein digitales Filter - Google Patents
Schaltungsanordnung für ein digitales FilterInfo
- Publication number
- DE2451235C2 DE2451235C2 DE2451235A DE2451235A DE2451235C2 DE 2451235 C2 DE2451235 C2 DE 2451235C2 DE 2451235 A DE2451235 A DE 2451235A DE 2451235 A DE2451235 A DE 2451235A DE 2451235 C2 DE2451235 C2 DE 2451235C2
- Authority
- DE
- Germany
- Prior art keywords
- memory
- adder
- input
- add
- value
- 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.)
- Expired
Links
- 230000015654 memory Effects 0.000 claims description 66
- 208000036864 Attention deficit/hyperactivity disease Diseases 0.000 description 24
- 208000035231 inattentive type attention deficit hyperactivity disease Diseases 0.000 description 24
- 230000014509 gene expression Effects 0.000 description 18
- 238000012937 correction Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000013144 data compression Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H03H17/04—Recursive filters
- H03H17/0405—Recursive filters comprising a ROM addressed by the input and output data signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7345377A FR2255754B1 (en, 2012) | 1973-12-11 | 1973-12-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2451235A1 DE2451235A1 (de) | 1975-06-12 |
| DE2451235C2 true DE2451235C2 (de) | 1985-09-05 |
Family
ID=9129406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2451235A Expired DE2451235C2 (de) | 1973-12-11 | 1974-10-29 | Schaltungsanordnung für ein digitales Filter |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3914588A (en, 2012) |
| JP (1) | JPS5444547B2 (en, 2012) |
| DE (1) | DE2451235C2 (en, 2012) |
| FR (1) | FR2255754B1 (en, 2012) |
| GB (1) | GB1460370A (en, 2012) |
| IT (1) | IT1022969B (en, 2012) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4020333A (en) * | 1975-05-06 | 1977-04-26 | International Business Machines Corporation | Digital filter for filtering complex signals |
| US3979701A (en) * | 1975-06-17 | 1976-09-07 | Communications Satellite Corporation (Comsat) | Non-recursive digital filter employing simple coefficients |
| US4356558A (en) * | 1979-12-20 | 1982-10-26 | Martin Marietta Corporation | Optimum second order digital filter |
| US4374426A (en) * | 1980-11-14 | 1983-02-15 | Burlage Donald W | Digital equalizer for high speed communication channels |
| US4454590A (en) * | 1981-10-30 | 1984-06-12 | The United States Of America As Represented By The Secretary Of The Air Force | Programmable signal processing device |
| US4691293A (en) * | 1984-12-28 | 1987-09-01 | Ford Aerospace & Communications Corporation | High frequency, wide range FIR filter |
| US5146494A (en) * | 1989-07-31 | 1992-09-08 | At&T Bell Laboratories | Overlapping look-up-and-add echo canceller requiring a smaller memory size |
| US6470405B2 (en) * | 1995-10-19 | 2002-10-22 | Rambus Inc. | Protocol for communication with dynamic memory |
| US6266379B1 (en) | 1997-06-20 | 2001-07-24 | Massachusetts Institute Of Technology | Digital transmitter with equalization |
| US7054896B2 (en) * | 2002-04-29 | 2006-05-30 | Industrial Technology Research Institute | Method for implementing a multiplier-less FIR filter |
| GB2514595B (en) * | 2013-05-30 | 2017-10-18 | Imp Innovations Ltd | Method and apparatus for estimating frequency domain representation of signals |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1214371A (en) * | 1968-02-15 | 1970-12-02 | Raytheon Co | Digital canonical filter |
| FR2116224B1 (en, 2012) * | 1970-10-29 | 1974-10-31 | Ibm France | |
| FR2118410A5 (en, 2012) * | 1970-12-17 | 1972-07-28 | Ibm France | |
| FR2137346B1 (en, 2012) * | 1971-05-13 | 1973-05-11 | Ibm France |
-
1973
- 1973-12-11 FR FR7345377A patent/FR2255754B1/fr not_active Expired
-
1974
- 1974-10-18 IT IT28564/74A patent/IT1022969B/it active
- 1974-10-29 DE DE2451235A patent/DE2451235C2/de not_active Expired
- 1974-11-06 GB GB4793974A patent/GB1460370A/en not_active Expired
- 1974-12-03 US US529205A patent/US3914588A/en not_active Expired - Lifetime
- 1974-12-11 JP JP14164074A patent/JPS5444547B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50106549A (en, 2012) | 1975-08-22 |
| IT1022969B (it) | 1978-04-20 |
| GB1460370A (en) | 1977-01-06 |
| US3914588A (en) | 1975-10-21 |
| FR2255754A1 (en, 2012) | 1975-07-18 |
| DE2451235A1 (de) | 1975-06-12 |
| FR2255754B1 (en, 2012) | 1978-03-17 |
| JPS5444547B2 (en, 2012) | 1979-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |