FR2488079A1 - Dispositif de filtrage numerique - Google Patents

Dispositif de filtrage numerique Download PDF

Info

Publication number
FR2488079A1
FR2488079A1 FR8114861A FR8114861A FR2488079A1 FR 2488079 A1 FR2488079 A1 FR 2488079A1 FR 8114861 A FR8114861 A FR 8114861A FR 8114861 A FR8114861 A FR 8114861A FR 2488079 A1 FR2488079 A1 FR 2488079A1
Authority
FR
France
Prior art keywords
signal
filter
bit
input
adder
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR8114861A
Other languages
English (en)
French (fr)
Other versions
FR2488079B1 (Direct
Inventor
James Charles Candy
Bruce Allen Wooley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2488079A1 publication Critical patent/FR2488079A1/fr
Application granted granted Critical
Publication of FR2488079B1 publication Critical patent/FR2488079B1/fr
Granted legal-status Critical Current

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
    • H03H17/04—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
    • H03H17/04—Recursive filters
    • H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Logic Circuits (AREA)
  • Manipulation Of Pulses (AREA)
FR8114861A 1980-08-01 1981-07-30 Dispositif de filtrage numerique Granted FR2488079A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/174,516 US4356559A (en) 1980-08-01 1980-08-01 Logic arrangement for recursive digital filter

Publications (2)

Publication Number Publication Date
FR2488079A1 true FR2488079A1 (fr) 1982-02-05
FR2488079B1 FR2488079B1 (Direct) 1984-12-07

Family

ID=22636456

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8114861A Granted FR2488079A1 (fr) 1980-08-01 1981-07-30 Dispositif de filtrage numerique

Country Status (10)

Country Link
US (1) US4356559A (Direct)
JP (1) JPS5753131A (Direct)
BE (1) BE889774A (Direct)
CA (1) CA1158322A (Direct)
DE (1) DE3129616A1 (Direct)
FR (1) FR2488079A1 (Direct)
GB (1) GB2081544B (Direct)
IT (1) IT1167483B (Direct)
NL (1) NL8103638A (Direct)
SE (1) SE456129B (Direct)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893316A (en) * 1985-04-04 1990-01-09 Motorola, Inc. Digital radio frequency receiver
US4733403A (en) * 1986-05-12 1988-03-22 Motorola, Inc. Digital zero IF selectivity section
US4803647A (en) * 1986-05-30 1989-02-07 Rca Licensing Corporation Sampled data audio tone control apparatus
US4918637A (en) * 1987-01-13 1990-04-17 Hewlett-Packard Company Multichannel decimation/interpolation filter
US4910752A (en) * 1987-06-15 1990-03-20 Motorola, Inc. Low power digital receiver
US4811362A (en) * 1987-06-15 1989-03-07 Motorola, Inc. Low power digital receiver
US4852035A (en) * 1987-07-06 1989-07-25 The Grass Valley Group, Inc. Simple coefficient half-bandwidth digital filter for video data compression
EP0320517B1 (de) * 1987-12-12 1992-08-12 Deutsche ITT Industries GmbH Digitales Dezimationsfilter
US4866647A (en) * 1988-02-04 1989-09-12 American Telephone And Telegraph Company Continuously variable digital delay circuit
US5355329A (en) * 1992-12-14 1994-10-11 Apple Computer, Inc. Digital filter having independent damping and frequency parameters
JPH09116387A (ja) * 1995-10-13 1997-05-02 Ricoh Co Ltd デジタルフィルタ
US6480534B1 (en) * 1997-10-08 2002-11-12 Texas Instruments Incorporated Apparatus and method for a reduced component equalizer circuit
GB2336494B (en) 1998-04-03 2003-04-23 Sony Uk Ltd Digital filter
US6463448B1 (en) * 1999-09-30 2002-10-08 Agere Systems Guardian Corp. Linear intrasummed multiple-bit feedback shift register
US20080167735A1 (en) * 2007-01-08 2008-07-10 Gerardo Escobar Valderrama Repetitive controller to compensate for (61±1) harmonics
US20090094306A1 (en) * 2007-10-09 2009-04-09 Krishnakalin Gahn W Cordic rotation angle calculation
US8239430B2 (en) * 2007-10-09 2012-08-07 International Business Machines Corporation Accuracy improvement in CORDIC through precomputation of the error bias
KR101677294B1 (ko) * 2010-04-19 2016-11-18 삼성전자주식회사 피크 윈도윙을 위한 스무딩 장치
RU2579982C2 (ru) * 2014-08-06 2016-04-10 Закрытое акционерное общество "Гранит-7" Способ цифровой рекурсивной полосовой фильтрации и цифровой фильтр для реализации способа

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749895A (en) * 1971-10-06 1973-07-31 Bell Telephone Labor Inc Apparatus for suppressing limit cycles due to quantization in digital filters

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676654A (en) * 1970-05-21 1972-07-11 Collins Radio Co Digitalized filter
US3714402A (en) * 1971-12-20 1973-01-30 Bell Telephone Labor Inc Digital filter employing serial arithmetic
US3997770A (en) * 1973-07-09 1976-12-14 U.S. Philips Corporation Recursive digital filter
FR2275936A1 (fr) * 1974-06-21 1976-01-16 Ibm France Filtre frequentiel numerique
NL169535C (nl) * 1974-11-14 1982-07-16 Philips Nv Digitale signaalbewerkingsinrichting met gestuurde kwantisering.
US3982112A (en) * 1974-12-23 1976-09-21 General Electric Company Recursive numerical processor
US4021654A (en) * 1975-06-11 1977-05-03 Paradyne, Inc. Digital filter
US4034197A (en) * 1976-06-30 1977-07-05 Bell Telephone Laboratories, Incorporated Digital filter circuit
JPS54554A (en) * 1977-06-03 1979-01-05 Hitachi Ltd Digital filter
US4215415A (en) * 1977-09-19 1980-07-29 Nippon Electric Company, Ltd. Recursive digital filter comprising a circuit responsive to first sum and feedback sign bits and second sum sign and integer bits for detecting overflow in the second sum
JPS54144848A (en) * 1978-05-02 1979-11-12 Nec Corp Digital filter
US4317092A (en) * 1980-06-30 1982-02-23 Hewlett-Packard Company Recursive low pass digital filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749895A (en) * 1971-10-06 1973-07-31 Bell Telephone Labor Inc Apparatus for suppressing limit cycles due to quantization in digital filters

Also Published As

Publication number Publication date
IT8123209A1 (it) 1983-01-28
IT8123209A0 (it) 1981-07-28
SE456129B (sv) 1988-09-05
US4356559A (en) 1982-10-26
GB2081544A (en) 1982-02-17
GB2081544B (en) 1984-03-28
IT1167483B (it) 1987-05-13
DE3129616A1 (de) 1982-06-03
CA1158322A (en) 1983-12-06
NL8103638A (nl) 1982-03-01
JPS5753131A (en) 1982-03-30
SE8104487L (sv) 1982-02-02
BE889774A (fr) 1981-11-16
FR2488079B1 (Direct) 1984-12-07

Similar Documents

Publication Publication Date Title
FR2488079A1 (fr) Dispositif de filtrage numerique
FR2604839A1 (fr) Procede pour reduire les effets du bruit electrique dans un convertisseur analogique/numerique
FR2471094A1 (fr) Circuit interpolateur augmentant le debit de mots d'un signal numerique du type utilise dans les systemes telephoniques a commutation numerique et joncteur de ligne equipe d'un tel circuit
FR2484172A1 (fr) Procede et dispositif de generation d'une serie d'echantillons interpoles
EP0466592A1 (fr) Dispositif de sérialisation et de désérialisation de données et système de transmission numérique de données en série en résultant
EP0769849A1 (fr) Procédé de filtrage numérique large bande et filtre mettant en oeuvre le procédé
FR2484744A1 (fr) Circuits de filtrage numerique diminuant le debit de mots d'un signal numerique du type utilise dans les systemes telephoniques a commutation numerique, filtres numeriques utilises et joncteur de ligne equipe de tels circuits
FR2588680A1 (fr) Dispositif de calcul d'une transformee de fourier discrete, et son application a la compression d'impulsion dans un systeme radar
EP0437876B1 (fr) Multiplieur série programmable
EP0926823A1 (fr) Circuit programmable pour réaliser un filtre numérique
EP0262032B1 (fr) Additionneur binaire comportant un opérande fixé, et multiplieur binaire parallèle-série comprenant un tel additionneur
EP0131521B1 (fr) Procédé et installation d'analyse et de restitution de signal à échantillonnage et interpolation
EP1727283A1 (fr) Procédé et dispositif de conversion de fréquence d'échatillonnage
FR2485297A1 (fr) Dispositif de codage a interpolation
FR2471093A1 (fr) Circuit et procede de commande de gain pour signal numerique du type utilise dans les systemes telephoniques a commutation numerique et joncteur de ligne equipe d'un tel circuit
EP0320352B1 (fr) Circuit intégré de calcul numérique pour calculs glissants du type convolution
KR20050013180A (ko) 디지털 필터의 설계 방법, 디지털 필터 설계용 프로그램,디지털 필터
EP0970562B1 (fr) Filtre numerique pour retards fractionnaires
FR2739991A1 (fr) Dispositif de filtrage numerique
EP1071008A1 (fr) Procédé pour effectuer une multiplication avec accumulation dans un corps de Galois.
JPH0865107A (ja) ディジタル補間フィルタ回路
EP4155835A1 (fr) Convertisseur temps numérique et boucle à verrouillage de phase
FR2485304A1 (fr) Dispositif de traitement audiofrequence de ligne d'abonne
US20050120067A1 (en) Digital filter designing method, digital filter designing program, digital filter
JP3141523B2 (ja) 有限インパルス応答フィルタ装置

Legal Events

Date Code Title Description
ST Notification of lapse