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FI20002423L - Filtreringsförfarande och filter - Google Patents

Filtreringsförfarande och filter Download PDF

Info

Publication number
FI20002423L
FI20002423L FI20002423A FI20002423A FI20002423L FI 20002423 L FI20002423 L FI 20002423L FI 20002423 A FI20002423 A FI 20002423A FI 20002423 A FI20002423 A FI 20002423A FI 20002423 L FI20002423 L FI 20002423L
Authority
FI
Finland
Prior art keywords
filter
filtration method
filtration
Prior art date
Application number
FI20002423A
Other languages
English (en)
Finnish (fi)
Other versions
FI109383B (sv
FI20002423A0 (sv
Inventor
Olli Piirainen
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI20002423A priority Critical patent/FI109383B/sv
Publication of FI20002423A0 publication Critical patent/FI20002423A0/sv
Priority to PCT/FI2001/000956 priority patent/WO2002037675A1/en
Priority to EP01980589A priority patent/EP1330873A2/en
Priority to AU2002212403A priority patent/AU2002212403A1/en
Publication of FI20002423L publication Critical patent/FI20002423L/sv
Priority to US10/187,443 priority patent/US6643675B2/en
Application granted granted Critical
Publication of FI109383B publication Critical patent/FI109383B/sv

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
    • H03H17/0283—Filters characterised by the filter structure
    • H03H17/0286—Combinations of filter structures
    • H03H17/0288—Recursive, non-recursive, ladder, lattice structures
    • 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
    • H03H17/0671—Cascaded integrator-comb [CIC] filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Image Processing (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Networks Using Active Elements (AREA)
FI20002423A 2000-11-03 2000-11-03 Filtreringsförfarande och filter FI109383B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20002423A FI109383B (sv) 2000-11-03 2000-11-03 Filtreringsförfarande och filter
PCT/FI2001/000956 WO2002037675A1 (en) 2000-11-03 2001-11-01 Filtering method and filter
EP01980589A EP1330873A2 (en) 2000-11-03 2001-11-01 Filtering method and filter
AU2002212403A AU2002212403A1 (en) 2000-11-03 2001-11-01 Filtering method and filter
US10/187,443 US6643675B2 (en) 2000-11-03 2002-07-02 Filtering method and filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20002423A FI109383B (sv) 2000-11-03 2000-11-03 Filtreringsförfarande och filter
FI20002423 2000-11-03

Publications (3)

Publication Number Publication Date
FI20002423A0 FI20002423A0 (sv) 2000-11-03
FI20002423L true FI20002423L (sv) 2002-05-04
FI109383B FI109383B (sv) 2002-07-15

Family

ID=8559432

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20002423A FI109383B (sv) 2000-11-03 2000-11-03 Filtreringsförfarande och filter

Country Status (5)

Country Link
US (1) US6643675B2 (sv)
EP (1) EP1330873A2 (sv)
AU (1) AU2002212403A1 (sv)
FI (1) FI109383B (sv)
WO (1) WO2002037675A1 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4072855B2 (ja) * 2001-10-04 2008-04-09 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サンプルレート変換のための装置及び方法
US6856925B2 (en) * 2001-10-26 2005-02-15 Texas Instruments Incorporated Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space
US6792037B2 (en) * 2002-02-28 2004-09-14 Interdigital Technology Corporation Apparatus and method of searching for known sequences
KR100799406B1 (ko) * 2004-06-22 2008-01-30 삼성탈레스 주식회사 대역 내 신호의 감쇠를 보상하기 위한 디지털 샘플링레이트 변환기
DE102005018858B4 (de) * 2005-04-22 2009-09-10 Infineon Technologies Ag Digitales Filter und Verfahren zur Bestimmung seiner Koeffizienten
EP1775833A1 (de) * 2005-10-12 2007-04-18 Infineon Technologies AG Digitales Filter und Verfahren zum Entwurf digitaler Filter mittels Integrations- und Löschfilter
US7196650B1 (en) 2006-01-27 2007-03-27 Analog Devices, Inc. Signal converter systems and methods with enhanced signal-to-noise ratios
US7788309B2 (en) * 2006-04-04 2010-08-31 Analog Devices, Inc. Interleaved comb and integrator filter structures
US20090119930A1 (en) * 2007-11-13 2009-05-14 M-D Building Products, Inc. Hand-Held Tool For Grout Removal
GB0803710D0 (en) * 2008-02-28 2008-04-09 Nokia Corp DC compensation
US8271568B2 (en) 2008-08-29 2012-09-18 Infineon Technologies Ag Digital filter
US8768997B2 (en) * 2009-02-05 2014-07-01 Qualcomm Incorporated Passive switched-capacitor filters conforming to power constraint
EP2651033B1 (en) * 2012-04-12 2020-06-17 Siemens Aktiengesellschaft Filter system
TWI550945B (zh) * 2014-12-22 2016-09-21 國立彰化師範大學 具有急遽過渡帶的複合濾波器之設計方法及其串聯式複合濾波器
CN106470022A (zh) * 2015-08-14 2017-03-01 中兴通讯股份有限公司 一种滤波电路及方法
US9985608B2 (en) * 2015-09-24 2018-05-29 Analog Devices Global Small area and low power IIR filter structure
CN107359868A (zh) * 2016-05-10 2017-11-17 深圳市中兴微电子技术有限公司 脉冲密度调制转换电路及方法
US10498312B2 (en) * 2017-11-17 2019-12-03 Stmicroelectronics International N.V. Glitch immune cascaded integrator comb architecture for higher order signal interpolation
US11075617B1 (en) * 2020-04-23 2021-07-27 Nxp Usa, Inc. DC-removing CIC filter
US20240372532A1 (en) * 2022-08-16 2024-11-07 Safwan AREKAT Recursive fir digital filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI96255C (sv) * 1993-04-05 1996-05-27 Tapio Antero Saramaeki Decimeringsfilter
DE59409276D1 (de) * 1994-08-08 2000-05-11 Micronas Intermetall Gmbh Verfahren zur digitalen Interpolation von Signalen
US5757867A (en) * 1995-03-30 1998-05-26 The United States Of America As Represented By The Secretary Of The Navy Digital mixing to baseband decimation filter
US5835390A (en) * 1995-12-27 1998-11-10 Asahi Kasei Microsystems Co., Ltd Merged multi-stage comb filter with reduced operational requirements
WO1997033369A2 (en) * 1996-02-23 1997-09-12 Philips Electronics N.V. Reduced complexity signal converter
FI101915B1 (sv) 1996-12-04 1998-09-15 Nokia Telecommunications Oy Decimeringsförfarande och decimeringsfilter
US5960091A (en) 1997-04-25 1999-09-28 White; Stanley A. Adaptive removal of resonance-induced noise
US6057793A (en) * 1998-06-12 2000-05-02 Oak Technology, Inc. Digital decimation filter and method for achieving fractional data rate reduction with minimal hardware or software overhead
US6470365B1 (en) * 1999-08-23 2002-10-22 Motorola, Inc. Method and architecture for complex datapath decimation and channel filtering

Also Published As

Publication number Publication date
FI109383B (sv) 2002-07-15
FI20002423A0 (sv) 2000-11-03
US20030069911A1 (en) 2003-04-10
WO2002037675A1 (en) 2002-05-10
AU2002212403A1 (en) 2002-05-15
US6643675B2 (en) 2003-11-04
EP1330873A2 (en) 2003-07-30
WO2002037675A8 (en) 2004-04-22

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