ATE91831T1 - Aufbesserung von kanonischen, mit vorzeichenziffern behafteten filterkoeffizienten. - Google Patents

Aufbesserung von kanonischen, mit vorzeichenziffern behafteten filterkoeffizienten.

Info

Publication number
ATE91831T1
ATE91831T1 AT88304271T AT88304271T ATE91831T1 AT E91831 T1 ATE91831 T1 AT E91831T1 AT 88304271 T AT88304271 T AT 88304271T AT 88304271 T AT88304271 T AT 88304271T AT E91831 T1 ATE91831 T1 AT E91831T1
Authority
AT
Austria
Prior art keywords
csd
range
encoded
decimal
improvement
Prior art date
Application number
AT88304271T
Other languages
English (en)
Inventor
Kannan P Vairavan
Paul Mcleod
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE91831T1 publication Critical patent/ATE91831T1/de

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)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Complex Calculations (AREA)
  • Error Detection And Correction (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Filters That Use Time-Delay Elements (AREA)
AT88304271T 1987-05-18 1988-05-11 Aufbesserung von kanonischen, mit vorzeichenziffern behafteten filterkoeffizienten. ATE91831T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5209187A 1987-05-18 1987-05-18
EP88304271A EP0292189B1 (de) 1987-05-18 1988-05-11 Aufbesserung von kanonischen, mit Vorzeichenziffern behafteten Filterkoeffizienten

Publications (1)

Publication Number Publication Date
ATE91831T1 true ATE91831T1 (de) 1993-08-15

Family

ID=21975415

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88304271T ATE91831T1 (de) 1987-05-18 1988-05-11 Aufbesserung von kanonischen, mit vorzeichenziffern behafteten filterkoeffizienten.

Country Status (4)

Country Link
EP (1) EP0292189B1 (de)
JP (1) JPS6471210A (de)
AT (1) ATE91831T1 (de)
DE (1) DE3882435T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012245A (en) * 1989-10-04 1991-04-30 At&T Bell Laboratories Integral switched capacitor FIR filter/digital-to-analog converter for sigma-delta encoded digital audio
KR100248266B1 (ko) * 1994-03-07 2000-03-15 김영환 유한충격응답적응디지탈필터의 탭계수갱신장치
KR0139157B1 (ko) * 1994-09-07 1998-05-15 김광호 정준표시된 필터계수를 이용하는 고스트 제거장치
ES2164836T3 (es) * 1995-09-19 2002-03-01 Daiwa Kasei Kogyo Kk Patas de retencion de un componente.
KR100248021B1 (ko) * 1995-09-30 2000-03-15 윤종용 Csd 필터의 신호처리방법과 그 회로
DE19624382C1 (de) * 1996-06-19 1998-01-02 Bosch Gmbh Robert Klemmvorrichtung
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
JP2003042112A (ja) * 2001-07-26 2003-02-13 Okamura Corp 止め具
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

Also Published As

Publication number Publication date
EP0292189B1 (de) 1993-07-21
EP0292189A2 (de) 1988-11-23
EP0292189A3 (en) 1989-03-29
DE3882435T2 (de) 1994-01-27
JPS6471210A (en) 1989-03-16
DE3882435D1 (de) 1993-08-26

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Legal Events

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