PT79850B - Sampled data fir filters with enhanced tap weight resolution - Google Patents

Sampled data fir filters with enhanced tap weight resolution

Info

Publication number
PT79850B
PT79850B PT79850A PT7985085A PT79850B PT 79850 B PT79850 B PT 79850B PT 79850 A PT79850 A PT 79850A PT 7985085 A PT7985085 A PT 7985085A PT 79850 B PT79850 B PT 79850B
Authority
PT
Portugal
Prior art keywords
sampled data
samples
scaled
fir filters
tap weight
Prior art date
Application number
PT79850A
Other languages
English (en)
Other versions
PT79850A (en
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of PT79850A publication Critical patent/PT79850A/pt
Publication of PT79850B publication Critical patent/PT79850B/pt

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H15/00Transversal filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Complex Calculations (AREA)
  • Color Television Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Image Processing (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Liquid Crystal Substances (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Color Television Image Signal Generators (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Electrophonic Musical Instruments (AREA)
PT79850A 1984-01-20 1985-01-18 Sampled data fir filters with enhanced tap weight resolution PT79850B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/572,442 US4615026A (en) 1984-01-20 1984-01-20 Digital FIR filters with enhanced tap weight resolution

Publications (2)

Publication Number Publication Date
PT79850A PT79850A (en) 1985-02-01
PT79850B true PT79850B (en) 1986-09-11

Family

ID=24287821

Family Applications (1)

Application Number Title Priority Date Filing Date
PT79850A PT79850B (en) 1984-01-20 1985-01-18 Sampled data fir filters with enhanced tap weight resolution

Country Status (11)

Country Link
US (1) US4615026A (pt)
EP (1) EP0150114B1 (pt)
JP (1) JP2779617B2 (pt)
KR (1) KR940006211B1 (pt)
AT (1) ATE61894T1 (pt)
AU (1) AU572253B2 (pt)
CA (1) CA1245302A (pt)
DE (1) DE3582178D1 (pt)
ES (1) ES539539A0 (pt)
FI (1) FI83142C (pt)
PT (1) PT79850B (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3345284A1 (de) * 1983-12-14 1985-06-27 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur digitalsignalverarbeitung nach art eines vorzugsweise adaptiven transversalfilters
US4615026A (en) * 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution
US4817025A (en) * 1984-02-03 1989-03-28 Sharp Kabushiki Kaisha Digital filter
JPH0828649B2 (ja) * 1989-02-16 1996-03-21 日本電気株式会社 ディジタルフィルタ
US5128886A (en) * 1989-07-14 1992-07-07 Tektronix, Inc. Using long distance filters in the presence of round-off errors
US5018090A (en) * 1990-03-13 1991-05-21 Rca Licensing Corporation Digital interpolation circuitry
SE467680B (sv) * 1990-12-19 1992-08-24 Johan Hellgren Digital filterbank med minskad effektfoerbrukning
US5258939A (en) * 1991-10-10 1993-11-02 Harris Corporation Fold and decimate filter architecture
US5260888A (en) * 1992-05-28 1993-11-09 Eastman Kodak Company Shift and add digital signal processor
MY111506A (en) * 1992-07-29 2000-07-31 Thomson Consumer Electronics Inc Fir filter apparatus for processing of time division multiplexed signals
US5586100A (en) * 1992-10-13 1996-12-17 Literal Corporation Transversal filter and method for cancelling intersymbol interference
US5592403A (en) * 1993-03-11 1997-01-07 Monolith Technologies Corporation Digital-to-analog converter including integral digital audio filter
US6430287B1 (en) 1997-03-25 2002-08-06 Level One Communications, Inc. Combined parallel adaptive equalizer/echo canceller
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
KR100400726B1 (ko) * 1999-01-30 2003-10-08 엘지전자 주식회사 유한 임펄스 응답 필터
US6505221B1 (en) 1999-09-20 2003-01-07 Koninklijke Philips Electronics N.V. FIR filter utilizing programmable shifter
US7043513B2 (en) * 2002-08-09 2006-05-09 Terax Communication Technologies, Inc. Clock balanced segmentation digital filter provided with optimun area of data path
RU2254684C1 (ru) * 2004-01-08 2005-06-20 Общество с ограниченной ответственностью "Информационный Вычислительный Центр" Цифровое устройство символьной синхронизации
US10277202B2 (en) * 2016-07-14 2019-04-30 Texas Instruments Incorporated Methods and apparatus for efficient linear combiner

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521042A (en) * 1967-07-19 1970-07-21 Ibm Simplified digital filter
US3696235A (en) * 1970-06-22 1972-10-03 Sanders Associates Inc Digital filter using weighting
FR2250239B1 (pt) * 1973-10-23 1976-07-02 Ibm France
US3979701A (en) * 1975-06-17 1976-09-07 Communications Satellite Corporation (Comsat) Non-recursive digital filter employing simple coefficients
FR2331213A1 (fr) * 1975-11-10 1977-06-03 Ibm France Filtre numerique
FR2379946A1 (fr) * 1977-02-04 1978-09-01 Labo Cent Telecommunicat Filtre numerique
JPS53137652A (en) * 1977-05-07 1978-12-01 Fujitsu Ltd Ccd transversal of digital coefficient type
US4191853A (en) * 1978-10-10 1980-03-04 Motorola Inc. Sampled data filter with time shared weighters for use as an LPC and synthesizer
JPS55117322A (en) * 1979-03-02 1980-09-09 Fujitsu Ltd Binary transversal filter
NL7905332A (nl) * 1979-07-09 1981-01-13 Philips Nv Decimerend, lineair phase, digital fir filter.
JPS5698022A (en) * 1980-01-07 1981-08-07 Nec Corp Difference coefficient digital filter
GB2095067B (en) * 1981-03-12 1984-10-03 Standard Telephones Cables Ltd Digital filter arrangement
US4524423A (en) * 1981-11-06 1985-06-18 Rca Corporation Digital signal separation filters
NL8203520A (nl) * 1982-09-10 1984-04-02 Philips Nv Digitale filterinrichting.
US4615026A (en) * 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution

Also Published As

Publication number Publication date
FI83142B (fi) 1991-02-15
ES8602319A1 (es) 1985-11-16
JP2779617B2 (ja) 1998-07-23
PT79850A (en) 1985-02-01
ATE61894T1 (de) 1991-04-15
JPS60229419A (ja) 1985-11-14
FI850152L (fi) 1985-07-21
EP0150114B1 (en) 1991-03-20
AU572253B2 (en) 1988-05-05
ES539539A0 (es) 1985-11-16
CA1245302A (en) 1988-11-22
FI83142C (fi) 1991-05-27
KR940006211B1 (ko) 1994-07-11
US4615026A (en) 1986-09-30
KR850005748A (ko) 1985-08-28
AU3761385A (en) 1985-07-25
FI850152A0 (fi) 1985-01-14
EP0150114A2 (en) 1985-07-31
DE3582178D1 (de) 1991-04-25
EP0150114A3 (en) 1987-05-20

Similar Documents

Publication Publication Date Title
PT79850B (en) Sampled data fir filters with enhanced tap weight resolution
ES451825A1 (es) Perfeccionamientos en aparatos elabodadores de senales para modificar la frecuencia de muestreo digital.
DK21990A (da) Adaptivt digitalt filter med en ikke rekursiv del og en rekursiv del
SE8206172D0 (sv) Digitalfilter med tva utgangssignaler
ATE86415T1 (de) Digitale polyphasen-filterbank mit maximaler taktreduktion.
GB2035001B (en) Converting single-ended input signals to differential output signals
ES8106383A1 (es) Un recortador para disminuir la cadencia de palabra de una senal digital del tipo utilizado en sistemas telefonicos digitales
DE3662323D1 (en) Noise cancellation
EP0174005A3 (en) Line equalizer operable in response to an input signal of a variable data rate
KR940003229A (ko) 시분할 다중신호 처리용 유한 임펄스 응답(fir)필터 장치
DE69123365D1 (de) Verfahren zur reduzierung des leistungsverbrauchs einer digitalen filterbank durch verringern der anzahl der multiplikationen
FI890838A0 (fi) Digitaalinen suodatin integroidulla desimoinnilla
DE3852735D1 (de) Digitales Dezimierungsfilter.
GB2265529A (en) A method and arrangement for use in the elimination of echoes in a subscriber line circuit
ATE127294T1 (de) Wellendigitalfilter bestehend aus speichern und n-tor-adaptoren.
ATE6561T1 (de) Filtervorrichtung mit geringer phasenverzerrung und schaltung zur behandlung von farbfernsehsignalen mit einer solchen vorrichtung.
JPS56120212A (en) Digital filter of block floating decimal point
JPS6424621A (en) Digital filter
JPS5377438A (en) Digital filter
JPS55162616A (en) Delay circuit
Lind Joys and pitfalls of DSP
JPS5453847A (en) Filter unit
JPS5680917A (en) Thinning-out filter for sampled value
JPS57203315A (en) Filter coefficient applying system to characteristic variable switched capacitor filter
JPS55134585A (en) Disturbing wave removal unit

Legal Events

Date Code Title Description
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19980331