JPS6471210A - Method of increasing and decreasing decimated digital filter tap coefficient - Google Patents
Method of increasing and decreasing decimated digital filter tap coefficientInfo
- Publication number
- JPS6471210A JPS6471210A JP63120396A JP12039688A JPS6471210A JP S6471210 A JPS6471210 A JP S6471210A JP 63120396 A JP63120396 A JP 63120396A JP 12039688 A JP12039688 A JP 12039688A JP S6471210 A JPS6471210 A JP S6471210A
- Authority
- JP
- Japan
- Prior art keywords
- coefficients
- range
- digital filter
- tap
- coefficient
- 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.)
- Pending
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
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0238—Measures concerning the arithmetic used
- H03H17/0239—Signed digit arithmetic
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0223—Computation saving measures; Accelerating measures
- H03H17/0227—Measures concerning the coefficients
- H03H17/023—Measures concerning the coefficients reducing the wordlength, the possible values of coefficients
- H03H2017/0232—Canonical signed digit [CSD] or power of 2 coefficients
Landscapes
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
- Error Detection And Correction (AREA)
- Emergency Protection Circuit Devices (AREA)
- Electrophonic Musical Instruments (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5209187A | 1987-05-18 | 1987-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6471210A true JPS6471210A (en) | 1989-03-16 |
Family
ID=21975415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63120396A Pending JPS6471210A (en) | 1987-05-18 | 1988-05-17 | Method of increasing and decreasing decimated digital filter tap coefficient |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0292189B1 (ja) |
JP (1) | JPS6471210A (ja) |
AT (1) | ATE91831T1 (ja) |
DE (1) | DE3882435T2 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03242025A (ja) * | 1989-10-04 | 1991-10-29 | American Teleph & Telegr Co <Att> | ディジタル―アナログ変換回路とその方法、ならびに、フィルタのタップの数とタップウェイト係数とを決定する方法 |
JPH08191406A (ja) * | 1994-09-07 | 1996-07-23 | Samsung Electron Co Ltd | 正準符号表示されたディジットコードを用いたゴースト除去方法及びその装置 |
US5947631A (en) * | 1994-09-20 | 1999-09-07 | Daiwa Kogyo Kabushiki | Component retaining legs |
JP2003042112A (ja) * | 2001-07-26 | 2003-02-13 | Okamura Corp | 止め具 |
KR100507389B1 (ko) * | 1996-06-19 | 2005-10-21 | 로베르트 보쉬 게엠베하 | 클램핑장치 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100248266B1 (ko) * | 1994-03-07 | 2000-03-15 | 김영환 | 유한충격응답적응디지탈필터의 탭계수갱신장치 |
KR100248021B1 (ko) * | 1995-09-30 | 2000-03-15 | 윤종용 | Csd 필터의 신호처리방법과 그 회로 |
US6108681A (en) * | 1998-02-27 | 2000-08-22 | Philips Electronics North America Corporation | System for sharing resources in a digital filter |
US6590931B1 (en) * | 1999-12-09 | 2003-07-08 | Koninklijke Philips Electronics N.V. | Reconfigurable FIR filter using CSD coefficient representation |
CN102314215B (zh) * | 2011-09-27 | 2014-03-12 | 西安电子科技大学 | 集成电路系统中小数乘法器的低功耗优化方法 |
-
1988
- 1988-05-11 DE DE88304271T patent/DE3882435T2/de not_active Expired - Fee Related
- 1988-05-11 AT AT88304271T patent/ATE91831T1/de not_active IP Right Cessation
- 1988-05-11 EP EP88304271A patent/EP0292189B1/en not_active Expired - Lifetime
- 1988-05-17 JP JP63120396A patent/JPS6471210A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03242025A (ja) * | 1989-10-04 | 1991-10-29 | American Teleph & Telegr Co <Att> | ディジタル―アナログ変換回路とその方法、ならびに、フィルタのタップの数とタップウェイト係数とを決定する方法 |
JPH08191406A (ja) * | 1994-09-07 | 1996-07-23 | Samsung Electron Co Ltd | 正準符号表示されたディジットコードを用いたゴースト除去方法及びその装置 |
US5947631A (en) * | 1994-09-20 | 1999-09-07 | Daiwa Kogyo Kabushiki | Component retaining legs |
US6203240B1 (en) | 1995-09-19 | 2001-03-20 | Daiwa Kogyo Kabushiki | Component retaining legs |
KR100507389B1 (ko) * | 1996-06-19 | 2005-10-21 | 로베르트 보쉬 게엠베하 | 클램핑장치 |
JP2003042112A (ja) * | 2001-07-26 | 2003-02-13 | Okamura Corp | 止め具 |
Also Published As
Publication number | Publication date |
---|---|
EP0292189A3 (en) | 1989-03-29 |
ATE91831T1 (de) | 1993-08-15 |
DE3882435D1 (de) | 1993-08-26 |
EP0292189A2 (en) | 1988-11-23 |
DE3882435T2 (de) | 1994-01-27 |
EP0292189B1 (en) | 1993-07-21 |
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