ATE421192T1 - Digitales filter mit zustandsspeicherung - Google Patents

Digitales filter mit zustandsspeicherung

Info

Publication number
ATE421192T1
ATE421192T1 AT01992057T AT01992057T ATE421192T1 AT E421192 T1 ATE421192 T1 AT E421192T1 AT 01992057 T AT01992057 T AT 01992057T AT 01992057 T AT01992057 T AT 01992057T AT E421192 T1 ATE421192 T1 AT E421192T1
Authority
AT
Austria
Prior art keywords
state storage
filter coefficient
digital filter
applications
coefficient vectors
Prior art date
Application number
AT01992057T
Other languages
English (en)
Inventor
Jafar Mohseni
Brian Butler
Deepu John
Haitao Zhang
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE421192T1 publication Critical patent/ATE421192T1/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
    • H03H17/06—Non-recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0657—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
    • 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
    • H03H17/0225—Measures concerning the multipliers
    • H03H17/0226—Measures concerning the multipliers comprising look-up tables
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0607—Non-recursive filters comprising a ROM addressed by the input data signals

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)
  • Oscillators With Electromechanical Resonators (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Dc Digital Transmission (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
AT01992057T 2000-11-03 2001-11-03 Digitales filter mit zustandsspeicherung ATE421192T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24522900P 2000-11-03 2000-11-03

Publications (1)

Publication Number Publication Date
ATE421192T1 true ATE421192T1 (de) 2009-01-15

Family

ID=22925822

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01992057T ATE421192T1 (de) 2000-11-03 2001-11-03 Digitales filter mit zustandsspeicherung

Country Status (9)

Country Link
US (1) US6820103B2 (de)
EP (1) EP1332552B1 (de)
JP (1) JP4080871B2 (de)
KR (1) KR100798523B1 (de)
CN (1) CN1263220C (de)
AT (1) ATE421192T1 (de)
AU (1) AU2002232531A1 (de)
DE (1) DE60137443D1 (de)
WO (1) WO2002041490A2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100425418B1 (ko) * 2001-09-07 2004-03-30 삼성탈레스 주식회사 룩업 테이블을 이용한 블록 보간 필터 구조
US7986932B1 (en) * 2002-11-19 2011-07-26 National Semiconductor Corporation Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
US7289558B2 (en) * 2003-07-08 2007-10-30 Utah State University Infinite impulse response multiplierless digital filter architecture
DE102004042368B4 (de) * 2004-09-01 2009-12-17 Infineon Technologies Ag Digitales Filter zur sendeseitigen Pulsformung
US7480689B2 (en) * 2004-11-19 2009-01-20 Massachusetts Institute Of Technology Systolic de-multiplexed finite impulse response filter array architecture for linear and non-linear implementations
US7508327B2 (en) * 2006-06-14 2009-03-24 Qualcomm Incorporated Integer representation of relative timing between desired output samples and corresponding input samples
WO2008101045A1 (en) * 2007-02-15 2008-08-21 Massachusetts Institute Of Technology Architecture for systolic nonlinear filter processors
CN101150306B (zh) * 2007-10-24 2010-06-09 山东大学 一种有限冲激响应滤波器的设计方法
JP5774475B2 (ja) * 2009-04-17 2015-09-09 株式会社ユナイテッドワークス インパルス応答の抽出合成によるｓｒｃの装置及び方法
JP2011004196A (ja) * 2009-06-18 2011-01-06 Toshiba Corp 半導体集積回路
US8514999B2 (en) 2011-12-06 2013-08-20 International Business Machines Corporation Floating-point event counters with automatic prescaling
KR102192991B1 (ko) 2014-04-23 2020-12-18 삼성전자주식회사 가변적인 디지털 필터를 포함하는 아날로그-디지털 컨버터 및 이를 포함하는 이미지 센서
EP3588779B1 (de) * 2018-06-22 2021-02-24 Menta Digitaler signalprozessor und verfahren zum betrieb
KR102301538B1 (ko) 2020-02-12 2021-09-13 국방과학연구소 신호 필터링 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0580924A1 (de) 1992-07-30 1994-02-02 STMicroelectronics S.r.l. Digitale Filteranordnung
US5369606A (en) 1992-09-14 1994-11-29 Harris Corporation Reduced state fir filter
US5586068A (en) 1993-12-08 1996-12-17 Terayon Corporation Adaptive electronic filter
DE69428526D1 (de) 1994-06-30 2001-11-08 St Microelectronics Srl Filterverfahren und digitales Überabtastungsfilter mit endlicher Impulsantwort und mit vereinfachter Steuereinheit
JP2885121B2 (ja) * 1995-03-06 1999-04-19 日本電気株式会社 ディジタルフィルタ
KR0181165B1 (ko) 1995-06-29 1999-04-01 김광호 유한장 임펄스응답 필터 및 그 필터링 방법
US5566101A (en) 1995-08-15 1996-10-15 Sigmatel, Inc. Method and apparatus for a finite impulse response filter processor
US5870431A (en) 1996-06-27 1999-02-09 Qualcomm Incorporated ROM-based finite impulse response filter for use in mobile telephone
KR100237380B1 (ko) * 1997-06-16 2000-01-15 이계철 고속 롬 기반 나이퀴스트 유한 임펄스 응답 필터

Also Published As

Publication number Publication date
AU2002232531A1 (en) 2002-05-27
HK1062964A1 (en) 2004-12-03
WO2002041490A2 (en) 2002-05-23
KR100798523B1 (ko) 2008-01-28
KR20040002846A (ko) 2004-01-07
CN1488192A (zh) 2004-04-07
EP1332552A2 (de) 2003-08-06
JP4080871B2 (ja) 2008-04-23
WO2002041490A3 (en) 2003-01-23
JP2004529519A (ja) 2004-09-24
US6820103B2 (en) 2004-11-16
EP1332552B1 (de) 2009-01-14
CN1263220C (zh) 2006-07-05
US20020131487A1 (en) 2002-09-19
DE60137443D1 (de) 2009-03-05

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