FR2435157B1 - Procede et dispositif de suppression des effets de bande aveugle dans un filtre numerique recursif - Google Patents

Procede et dispositif de suppression des effets de bande aveugle dans un filtre numerique recursif

Info

Publication number
FR2435157B1
FR2435157B1 FR7904590A FR7904590A FR2435157B1 FR 2435157 B1 FR2435157 B1 FR 2435157B1 FR 7904590 A FR7904590 A FR 7904590A FR 7904590 A FR7904590 A FR 7904590A FR 2435157 B1 FR2435157 B1 FR 2435157B1
Authority
FR
France
Prior art keywords
recursible
suppressing
effects
digital filter
blind tape
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
FR7904590A
Other languages
English (en)
Other versions
FR2435157A1 (fr
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.)
CBS Broadcasting Inc
Original Assignee
CBS 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 CBS Inc filed Critical CBS Inc
Publication of FR2435157A1 publication Critical patent/FR2435157A1/fr
Application granted granted Critical
Publication of FR2435157B1 publication Critical patent/FR2435157B1/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
    • 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)
  • Picture Signal Circuits (AREA)
  • Color Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR7904590A 1978-06-19 1979-02-22 Procede et dispositif de suppression des effets de bande aveugle dans un filtre numerique recursif Expired FR2435157B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/916,977 US4195350A (en) 1978-06-19 1978-06-19 Method and apparatus for eliminating deadband in digital recursive filters

Publications (2)

Publication Number Publication Date
FR2435157A1 FR2435157A1 (fr) 1980-03-28
FR2435157B1 true FR2435157B1 (fr) 1985-10-25

Family

ID=25438174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904590A Expired FR2435157B1 (fr) 1978-06-19 1979-02-22 Procede et dispositif de suppression des effets de bande aveugle dans un filtre numerique recursif

Country Status (6)

Country Link
US (1) US4195350A (fr)
JP (1) JPS5523693A (fr)
CA (1) CA1103798A (fr)
DE (1) DE2924713C2 (fr)
FR (1) FR2435157B1 (fr)
GB (1) GB2023365B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589084A (en) * 1983-05-16 1986-05-13 Rca Corporation Apparatus for symmetrically truncating two's complement binary signals as for use with interleaved quadrature signals
SE440300B (sv) * 1983-11-24 1985-07-22 Ellemtel Utvecklings Ab Forfarande for att i en samplad signal kompensera for trunkeringsfel samt anordning for utforande av forfarandet
NL8500805A (nl) * 1985-03-20 1986-10-16 Philips Nv Recursief eerste orde digitaal videosignaalfilter.
US4727506A (en) * 1985-03-25 1988-02-23 Rca Corporation Digital scaling circuitry with truncation offset compensation
JP2647967B2 (ja) * 1989-06-08 1997-08-27 株式会社 ケンウッド ディジタルフィルタ
FR2655792B1 (fr) * 1989-12-08 1995-08-11 Gen Electric Cgr Filtre recursif numerique temporel.
DE4319342C2 (de) * 1993-06-11 1999-05-20 Philips Patentverwaltung Verfahren zur Reduktion von Störungen
FR2808139B1 (fr) * 2000-04-25 2003-01-03 Saint Louis Inst Procede de filtrage a large dynamique pour filtre numerique recursif implante dans un processeur de signal dsp travaillant avec des nombres entiers
DE60127099T2 (de) * 2001-05-23 2007-11-08 Institut Franco-Allemand De Recherches De Saint-Louis Filterungsverfahren mit großem Dynamikbereich für digitales rekursives Filter in einer Signalverarbeitungseinrichtung unter Verwendung von Integer-Zahlen
FR2851862B1 (fr) * 2003-02-27 2006-12-29 Radiotelephone Sfr Procede de generation d'une permutation pseudo-aleatoire d'un mot comportant n digits
US8073283B2 (en) 2006-04-07 2011-12-06 Mitsubishi Electric Corporation Noise elimination apparatus and noise elimination method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609568A (en) * 1970-06-08 1971-09-28 Bell Telephone Labor Inc Stable digital filter apparatus
US3749895A (en) * 1971-10-06 1973-07-31 Bell Telephone Labor Inc Apparatus for suppressing limit cycles due to quantization in digital filters
US3997770A (en) * 1973-07-09 1976-12-14 U.S. Philips Corporation Recursive digital filter
NL169535C (nl) * 1974-11-14 1982-07-16 Philips Nv Digitale signaalbewerkingsinrichting met gestuurde kwantisering.
US3906199A (en) * 1974-12-13 1975-09-16 Bell Telephone Labor Inc Digital filter circuit
US4064530A (en) * 1976-11-10 1977-12-20 Cbs Inc. Noise reduction system for color television
US4107739A (en) * 1977-08-22 1978-08-15 Cbs Inc. System utilizing integration and motion evaluation for reducing noise in video signal

Also Published As

Publication number Publication date
JPS5523693A (en) 1980-02-20
DE2924713C2 (de) 1984-02-16
GB2023365B (en) 1982-07-07
CA1103798A (fr) 1981-06-23
US4195350A (en) 1980-03-25
FR2435157A1 (fr) 1980-03-28
DE2924713A1 (de) 1979-12-20
GB2023365A (en) 1979-12-28

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Legal Events

Date Code Title Description
ST Notification of lapse