GB1460368A - Digital filter - Google Patents

Digital filter

Info

Publication number
GB1460368A
GB1460368A GB4263974A GB4263974A GB1460368A GB 1460368 A GB1460368 A GB 1460368A GB 4263974 A GB4263974 A GB 4263974A GB 4263974 A GB4263974 A GB 4263974A GB 1460368 A GB1460368 A GB 1460368A
Authority
GB
United Kingdom
Prior art keywords
coefficients
output
filter
oct
term
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.)
Expired
Application number
GB4263974A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1460368A publication Critical patent/GB1460368A/en
Expired 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
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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
    • H03H17/06—Non-recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
GB4263974A 1973-10-23 1974-10-01 Digital filter Expired GB1460368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7338741A FR2250239B1 (enExample) 1973-10-23 1973-10-23

Publications (1)

Publication Number Publication Date
GB1460368A true GB1460368A (en) 1977-01-06

Family

ID=9127146

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4263974A Expired GB1460368A (en) 1973-10-23 1974-10-01 Digital filter

Country Status (6)

Country Link
US (1) US3912917A (enExample)
JP (1) JPS5426429B2 (enExample)
DE (1) DE2446493C2 (enExample)
FR (1) FR2250239B1 (enExample)
GB (1) GB1460368A (enExample)
IT (1) IT1022437B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017849A (en) * 1975-08-28 1977-04-12 Bell Telephone Laboratories, Incorporated Apparatus for analog to digital conversion
US4215280A (en) * 1978-09-01 1980-07-29 Joseph Mahig Phase responsive frequency detector
US4615026A (en) * 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution
US4700360A (en) * 1984-12-19 1987-10-13 Extrema Systems International Corporation Extrema coding digitizing signal processing method and apparatus
FR2600440B1 (fr) * 1986-06-23 1988-09-09 Enertec Circuit de registres a decalage a rebouclage lineaire, a architecture systolique
US5666080A (en) * 1993-06-17 1997-09-09 Yozan, Inc. Computational circuit
US5617053A (en) * 1993-06-17 1997-04-01 Yozan, Inc. Computational circuit
CN1109404C (zh) * 1993-09-20 2003-05-21 株式会社鹰山 计算电路
US6563373B1 (en) * 1997-10-02 2003-05-13 Yozan, Inc. Filter circuit utilizing a plurality of sampling and holding circuits
US6304591B1 (en) * 1998-07-10 2001-10-16 Aloha Networks, Inc. Match filter architecture based upon parallel I/O
US6745218B1 (en) * 1999-03-16 2004-06-01 Matsushita Electric Industrial Co., Ltd. Adaptive digital filter
GB2541727B (en) * 2015-08-28 2018-09-05 Red Lion 49 Ltd A digital low pass filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579109A (en) * 1969-04-02 1971-05-18 Gen Dynamics Corp Automatic equalizer for digital data transmission systems
US3736414A (en) * 1971-06-30 1973-05-29 Ibm Transversal filter equalizer for partial response channels
US3723911A (en) * 1971-09-13 1973-03-27 Codex Corp Training adaptive linear filters

Also Published As

Publication number Publication date
FR2250239A1 (enExample) 1975-05-30
US3912917A (en) 1975-10-14
DE2446493A1 (de) 1975-04-30
IT1022437B (it) 1978-03-20
FR2250239B1 (enExample) 1976-07-02
JPS5074953A (enExample) 1975-06-19
DE2446493C2 (de) 1982-12-16
JPS5426429B2 (enExample) 1979-09-04

Similar Documents

Publication Publication Date Title
GB1532440A (en) Automatic equalisation
GB1460368A (en) Digital filter
GB1513054A (en) Circuit for cancelling echo signals
EP0045596A3 (en) Image processing filter
ES8106385A1 (es) Un intercalador para aumentar la cadencia de palabra de una senal digital del tipo utilizado en sistemas telefonicos di-gitales
ES451213A1 (es) Perfeccionamientos en variadores digitales de fase.
GB1461477A (en) Recursive digital filter
FR2556530B1 (fr) Dispositif de correction d'echos, notamment pour systeme de diffusion de donnees
DE3262334D1 (en) Regenerator for digital signals with quantized feedback
GB1385057A (en) Data transmission
GB1460369A (en) Digital filter
GB1485860A (en) Digital filters
GB1383286A (en) Digital transversal filter
JPS56162600A (en) Sound image controller
JPS55102935A (en) System and device for amplitude equalization
JPS5721117A (en) Digital filter device
KR880004463A (ko) 샘플 데이타 톤 제어 시스템
JPS5797737A (en) Nonlinear equalizer
JPS5761347A (en) Removing circuit of nonlinear type distortion
SU1336046A1 (ru) Дифференцирующее устройство
JPS5724113A (en) Digital filter device
JPS56140521A (en) Transversal type magnetic head
JPS57123772A (en) Ghost elimination device
JPS5635539A (en) Noise eliminating method
SU669476A1 (ru) Нерекурсивный цифровой фильтр нижних частот

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee