IL121018A - Adaptive digital filter - Google Patents

Adaptive digital filter

Info

Publication number
IL121018A
IL121018A IL12101897A IL12101897A IL121018A IL 121018 A IL121018 A IL 121018A IL 12101897 A IL12101897 A IL 12101897A IL 12101897 A IL12101897 A IL 12101897A IL 121018 A IL121018 A IL 121018A
Authority
IL
Israel
Prior art keywords
filter
coefficient
adaptive digital
coefficients
digital filter
Prior art date
Application number
IL12101897A
Other languages
English (en)
Other versions
IL121018A0 (en
Original Assignee
Toshiba Electronics Europ Gmbh
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 Toshiba Electronics Europ Gmbh filed Critical Toshiba Electronics Europ Gmbh
Publication of IL121018A0 publication Critical patent/IL121018A0/xx
Publication of IL121018A publication Critical patent/IL121018A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0223Computation saving measures; Accelerating measures
    • H03H17/0227Measures concerning the coefficients
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00Indexing scheme relating to details of digital filters
    • H03H2218/08Resource sharing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Filters That Use Time-Delay Elements (AREA)
IL12101897A 1996-06-10 1997-06-06 Adaptive digital filter IL121018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96109278A EP0813301A1 (de) 1996-06-10 1996-06-10 Digitales adaptives Filter

Publications (2)

Publication Number Publication Date
IL121018A0 IL121018A0 (en) 1997-11-20
IL121018A true IL121018A (en) 2002-07-25

Family

ID=8222880

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12101897A IL121018A (en) 1996-06-10 1997-06-06 Adaptive digital filter

Country Status (3)

Country Link
US (1) US5894495A (de)
EP (1) EP0813301A1 (de)
IL (1) IL121018A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6606641B1 (en) * 1998-04-20 2003-08-12 Koninklijke Philips Electronics N.V. System for varying the dynamic range of coefficients in a digital filter
DE19820908A1 (de) 1998-05-09 1999-11-11 Thomson Brandt Gmbh Adaptives Filter
US6269117B1 (en) * 1998-06-29 2001-07-31 Sony Corporation System and method for enhancing downsampling operations
US6745218B1 (en) * 1999-03-16 2004-06-01 Matsushita Electric Industrial Co., Ltd. Adaptive digital filter
JP3379501B2 (ja) * 1999-12-28 2003-02-24 日本電気株式会社 ゲイン可変型ディジタルフィルタ
US20100027610A1 (en) * 2008-07-31 2010-02-04 Mediatek Inc. Equalizer and equalization method
KR101110817B1 (ko) * 2010-11-04 2012-02-24 주식회사 하이닉스반도체 필터회로 및 이를 포함하는 집적회로
EP3447652A4 (de) * 2016-04-19 2019-05-29 Nec Corporation Digitale filtervorrichtung, verfahren zur digitalen filterung und programmaufzeichnungsmedium
DE102019106977B4 (de) * 2019-03-19 2024-04-04 Argo-Hytos Group Ag Anordnung mit einer Filtereinrichtung und einem Trägerelement und Verfahren zur Erkennung eines Filterelements

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH599727A5 (de) * 1974-12-06 1978-05-31 Gretag Ag
EP0048475B1 (de) * 1980-09-24 1986-01-22 Kabushiki Kaisha Toshiba Transversalentzerrer
DE59009293D1 (de) * 1990-03-26 1995-07-27 Siemens Ag Adaptives rekursives Digitalfilter.
DE59202546D1 (de) * 1992-02-07 1995-07-20 Siemens Ag Adaptives nichtrekursives Digitalfilter.
DE69222626T2 (de) * 1992-04-10 1998-02-05 St Microelectronics Srl Hochauflösendes Digitalfilter
US5526347A (en) * 1992-11-02 1996-06-11 Advanced Micro Devices, Inc. Decorrelation controller for an adaptive echo cancellor
WO1994017600A1 (en) * 1993-01-19 1994-08-04 Ntt Mobile Communications Network Inc. Method for removing interference wave, receiver and communication system which use the method
DE69324789T2 (de) * 1993-01-29 1999-09-16 St Microelectronics Srl Verfahren zur Filterung digitaler Signale mit hoher Auslösung und entsprechendem Aufbau digitaler Filter
EP0608665B1 (de) * 1993-01-29 1998-01-07 STMicroelectronics S.r.l. Verfahren zur Filterung von hochauflösenden digitalen Signalen und entsprechende digitale Filterarchitektur
JP2885612B2 (ja) * 1993-06-25 1999-04-26 日本電気株式会社 干渉波除去装置
JPH07122973A (ja) * 1993-10-20 1995-05-12 Yamaha Corp デジタル信号処理回路
JP2541128B2 (ja) * 1993-11-16 1996-10-09 日本電気株式会社 マルチキャリアロ―ルオフフィルタ

Also Published As

Publication number Publication date
EP0813301A1 (de) 1997-12-17
US5894495A (en) 1999-04-13
IL121018A0 (en) 1997-11-20

Similar Documents

Publication Publication Date Title
US5825809A (en) Digital filter having an energy level detector for selecting a coefficient
US5068818A (en) Hardware implemented moving average processor
US4450533A (en) Distributed arithmetic digital processing circuit
EP0766388B1 (de) Signalverarbeitungsverfahren in CSD-Filter und Schaltung dafür
US4766561A (en) Method and apparatus for implementing multiple filters with shared components
US4337518A (en) Recursive-type digital filter with reduced round-off noise
IL121018A (en) Adaptive digital filter
EP0476215A1 (de) Mehrkanaliger Taktfrequenzreduzierer
US4817025A (en) Digital filter
US4121296A (en) Digital signal processing arrangement
US5528527A (en) Sampling frequency converter
WO2000062421A1 (en) Digital filter and method for performing a multiplication based on a look-up table
EP0285317A2 (de) Digitales Filter mit mehreren Stufen in Phasenübereinstimmung
US5381354A (en) Digital filtering of blocks of data values with symmetric data extension at edges of the blocks
US4809208A (en) Programmable multistage digital filter
US5191547A (en) Decimating digital finite impulse response filter
US4785411A (en) Cascade filter structure with time overlapped partial addition operations and programmable tap length
KR20010053625A (ko) 곱셈기를 사용하지 않는 디지털 필터링
US5513223A (en) FIR digital filter and method for signal processing thereof
WO1986002181A1 (en) A digital signal processor for single cycle multiply/accumulation
KR950030479A (ko) 디지탈필터
US6108681A (en) System for sharing resources in a digital filter
EP0464666B1 (de) Eingangsgewichteter Transversalfilter
US5255323A (en) Digital signal processing device and audio apparatus using the same
EP0764915B1 (de) Schaltung zur Multiplikation komplexer Zahlen

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees