CA2013071A1 - Dispositif d'annulation adaptif, a voies multiples - Google Patents

Dispositif d'annulation adaptif, a voies multiples

Info

Publication number
CA2013071A1
CA2013071A1 CA2013071A CA2013071A CA2013071A1 CA 2013071 A1 CA2013071 A1 CA 2013071A1 CA 2013071 A CA2013071 A CA 2013071A CA 2013071 A CA2013071 A CA 2013071A CA 2013071 A1 CA2013071 A1 CA 2013071A1
Authority
CA
Canada
Prior art keywords
speed
adaptive
increased
cancellation
architecture
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
CA2013071A
Other languages
English (en)
Other versions
CA2013071C (fr
Inventor
Robert T. Beierle
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.)
Raytheon Co
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2013071A1 publication Critical patent/CA2013071A1/fr
Application granted granted Critical
Publication of CA2013071C publication Critical patent/CA2013071C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CA002013071A 1989-05-25 1990-03-26 Dispositif d'annulation adaptif, a voies multiples Expired - Fee Related CA2013071C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35673689A 1989-05-25 1989-05-25
US356,736 1989-05-25

Publications (2)

Publication Number Publication Date
CA2013071A1 true CA2013071A1 (fr) 1990-11-25
CA2013071C CA2013071C (fr) 1995-05-09

Family

ID=23402735

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013071A Expired - Fee Related CA2013071C (fr) 1989-05-25 1990-03-26 Dispositif d'annulation adaptif, a voies multiples

Country Status (6)

Country Link
EP (1) EP0399382B1 (fr)
JP (1) JPH0687033B2 (fr)
KR (1) KR920010377B1 (fr)
CA (1) CA2013071C (fr)
DE (1) DE69028441T2 (fr)
NO (1) NO176497C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0784993A (ja) * 1993-09-17 1995-03-31 Fujitsu Ltd 信号抑圧装置

Also Published As

Publication number Publication date
NO902282L (no) 1990-11-26
NO176497B (no) 1995-01-02
EP0399382A2 (fr) 1990-11-28
JPH0687033B2 (ja) 1994-11-02
DE69028441D1 (de) 1996-10-17
NO902282D0 (no) 1990-05-23
KR920010377B1 (ko) 1992-11-27
EP0399382A3 (fr) 1991-12-27
CA2013071C (fr) 1995-05-09
KR900019411A (ko) 1990-12-24
JPH0312523A (ja) 1991-01-21
EP0399382B1 (fr) 1996-09-11
NO176497C (no) 1995-04-12
DE69028441T2 (de) 1997-04-03

Similar Documents

Publication Publication Date Title
TW351039B (en) Method and apparatus for performing variable block size adaptation for noise robust acoustic echo cancellation
CA2174159A1 (fr) Eliminateur d'echos acoustiques
CA2054163A1 (fr) Appareil de reception
EP0332890A3 (fr) Suppression du bruit d'un signal de parole bruité
CA2125220A1 (fr) Eliminateur de bruit pouvant empecher la degradation des signaux haute frequence apres l'elimination du bruit et des signaux d'un systeme emetteur de signaux symetriques
DE69128221D1 (de) Akustische adaptive Vorrichtung zur Löschung von Geräuschsignalen.
AU2777992A (en) Process and system for sound pick-up, apparatus for sound pick-up and reproduction
CA2118879A1 (fr) Filtre adaptatif a faible retard pour signaux de sous-bande
WO1998010550A3 (fr) Perfectionnements relatifs a des systemes de transmission a porteuses multiples
AU3444295A (en) Method and device for suppressing background noise in a voice signal and corresponding system with echo cancellation
KR970707648A (ko) 방향성 음성 신호 프로세서 및 방법(A directional acoustic signal processor and method therefor)
CA2063037A1 (fr) Appareil d'elimination d'echos multicanal
CA2202910A1 (fr) Annulation d'echo par correlation croisee de segments d'echantillons de reception et d'emission tamponnees pour determiner les coefficients de filtration d'annulation
AU587156B2 (en) Arrangement for compensating for non-linear distortion in an input signal to be digitized and an echo cancelling system comprising such an arrangement
NL7804497A (nl) Processorstelsel voor het verwerken van signalen, zoda- nig, dat in audiostelsels ongewenste echo's en ruisef- fecten worden verminderd.
CA2044351A1 (fr) Appareil de calcul rapide de transformations et de transformations inverses
CA2173712A1 (fr) Decodeur audio et processeur a signaux mpeg integres
CA2013071A1 (fr) Dispositif d'annulation adaptif, a voies multiples
CA2118915A1 (fr) Methode pour reduire l'entrelacement de frequence durant la transmission et/ou l'enregistrement de signaux sonores ou lumineux
EP0399386A3 (fr) Appareil d'analyse adaptatif
DE3789984D1 (de) Rauschsignaldetektion durch Abtastung des digitalen Grundfrequenzsignals an einer Augenöffnung.
WO2004098088A3 (fr) Annulation d'interferences de voies multiples
AU9157691A (en) Transmission-reception device of acoustic signals for marine environment exploration
JPS55151279A (en) Digital beam former
JPS6429094A (en) Echo erasing device

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed