FR2425773B1 - Filtre numerique - Google Patents

Filtre numerique

Info

Publication number
FR2425773B1
FR2425773B1 FR7911686A FR7911686A FR2425773B1 FR 2425773 B1 FR2425773 B1 FR 2425773B1 FR 7911686 A FR7911686 A FR 7911686A FR 7911686 A FR7911686 A FR 7911686A FR 2425773 B1 FR2425773 B1 FR 2425773B1
Authority
FR
France
Prior art keywords
digital filter
digital
filter
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
FR7911686A
Other languages
English (en)
Other versions
FR2425773A1 (fr
Inventor
Kenji Nakayama
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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
Priority claimed from JP5533578A external-priority patent/JPS54146943A/ja
Priority claimed from JP10031378A external-priority patent/JPS5528154A/ja
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of FR2425773A1 publication Critical patent/FR2425773A1/fr
Application granted granted Critical
Publication of FR2425773B1 publication Critical patent/FR2425773B1/fr
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
    • H03H17/04—Recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Networks Using Active Elements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
FR7911686A 1978-05-10 1979-05-09 Filtre numerique Expired FR2425773B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5533578A JPS54146943A (en) 1978-05-10 1978-05-10 Non-cyclic digital filter
JP10031378A JPS5528154A (en) 1978-08-16 1978-08-16 Matrix operation unit

Publications (2)

Publication Number Publication Date
FR2425773A1 FR2425773A1 (fr) 1979-12-07
FR2425773B1 true FR2425773B1 (fr) 1986-05-30

Family

ID=26396229

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911686A Expired FR2425773B1 (fr) 1978-05-10 1979-05-09 Filtre numerique

Country Status (3)

Country Link
US (1) US4255794A (fr)
DE (1) DE2918692C2 (fr)
FR (1) FR2425773B1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55153052A (en) * 1979-05-16 1980-11-28 Nec Corp Digital multiplier
JPS5698022A (en) * 1980-01-07 1981-08-07 Nec Corp Difference coefficient digital filter
JPS56147260A (en) * 1980-04-18 1981-11-16 Nec Corp Lsi for digital signal processing
GB2075299B (en) * 1980-04-22 1983-10-19 Casio Computer Co Ltd Digital filter device
JPS5979349A (ja) * 1982-10-29 1984-05-08 Toshiba Corp 演算装置
JPH0834408B2 (ja) * 1983-12-23 1996-03-29 ソニー株式会社 Ｉｉｒデイジタルフイルタ
FR2564660B1 (fr) * 1984-05-21 1994-06-10 Enertec Filtre numerique resonant
JPS6153839A (ja) * 1984-08-23 1986-03-17 Sony Corp 波形整形装置
US4691293A (en) * 1984-12-28 1987-09-01 Ford Aerospace & Communications Corporation High frequency, wide range FIR filter
US4750144A (en) * 1985-12-31 1988-06-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Real time pipelined system for forming the sum of products in the processing of video data
US5260888A (en) * 1992-05-28 1993-11-09 Eastman Kodak Company Shift and add digital signal processor
US5432723A (en) * 1993-12-02 1995-07-11 Motorola, Inc. Parallel infinite impulse response (IIR) filter with low quantization effects and method therefor
US6175849B1 (en) * 1998-02-10 2001-01-16 Lucent Technologies, Inc. System for digital filtering in a fixed number of clock cycles
US20030145025A1 (en) * 2002-01-31 2003-07-31 Allred Rustin W. Method of designing families of boost and cut filters, including treble and bass controls and graphic equalizers
GB2455806B (en) * 2007-12-21 2010-04-14 Wolfson Microelectronics Plc Filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2118410A5 (fr) * 1970-12-17 1972-07-28 Ibm France
NL176124C (nl) * 1974-06-17 1985-02-18 Philips Nv Digitaal filter met vereenvoudigde vermenigvuldiginrichting.
DE2543697C3 (de) * 1975-09-30 1978-03-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Variables Digitalfilter hoher Bitrate
FR2379946A1 (fr) * 1977-02-04 1978-09-01 Labo Cent Telecommunicat Filtre numerique
US4125900A (en) * 1977-07-01 1978-11-14 Ncr Corporation Cascaded recursive digital filter

Also Published As

Publication number Publication date
US4255794A (en) 1981-03-10
DE2918692C2 (de) 1985-01-24
FR2425773A1 (fr) 1979-12-07
DE2918692A1 (de) 1979-11-22

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Legal Events

Date Code Title Description
ST Notification of lapse