DE69125806T2 - Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems - Google Patents

Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems

Info

Publication number
DE69125806T2
DE69125806T2 DE69125806T DE69125806T DE69125806T2 DE 69125806 T2 DE69125806 T2 DE 69125806T2 DE 69125806 T DE69125806 T DE 69125806T DE 69125806 T DE69125806 T DE 69125806T DE 69125806 T2 DE69125806 T2 DE 69125806T2
Authority
DE
Germany
Prior art keywords
adaptive filter
quick identification
filter suitable
unknown system
unknown
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 - Fee Related
Application number
DE69125806T
Other languages
English (en)
Other versions
DE69125806D1 (de
Inventor
Akihiko Sugiyama
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
NEC 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
Priority claimed from JP2416129A external-priority patent/JP2541378B2/ja
Priority claimed from JP41693190A external-priority patent/JP3173017B2/ja
Priority claimed from JP3031503A external-priority patent/JP2569979B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE69125806D1 publication Critical patent/DE69125806D1/de
Application granted granted Critical
Publication of DE69125806T2 publication Critical patent/DE69125806T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
DE69125806T 1990-12-27 1991-12-27 Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems Expired - Fee Related DE69125806T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2416129A JP2541378B2 (ja) 1990-12-27 1990-12-27 アダプティブ・フィルタによる未知システム近似の方法及び装置
JP41693190A JP3173017B2 (ja) 1990-12-28 1990-12-28 アダプティブ・フィルタ
JP3031503A JP2569979B2 (ja) 1991-01-31 1991-01-31 システム特性推定方法及び装置

Publications (2)

Publication Number Publication Date
DE69125806D1 DE69125806D1 (de) 1997-05-28
DE69125806T2 true DE69125806T2 (de) 1997-09-25

Family

ID=27287346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125806T Expired - Fee Related DE69125806T2 (de) 1990-12-27 1991-12-27 Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems

Country Status (5)

Country Link
US (1) US5245561A (de)
EP (1) EP0492647B1 (de)
AU (1) AU648621B2 (de)
CA (1) CA2058495C (de)
DE (1) DE69125806T2 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2569979B2 (ja) 1991-01-31 1997-01-08 日本電気株式会社 システム特性推定方法及び装置
JP2541378B2 (ja) 1990-12-27 1996-10-09 日本電気株式会社 アダプティブ・フィルタによる未知システム近似の方法及び装置
CA2074782C (en) * 1991-07-30 1997-10-07 Akihiko Sugiyama Method of and apparatus for identifying unknown system using adaptive filter
US5426704A (en) * 1992-07-22 1995-06-20 Pioneer Electronic Corporation Noise reducing apparatus
US5353026A (en) * 1992-12-15 1994-10-04 Analog Devices, Inc. Fir filter with quantized coefficients and coefficient quantization method
GB2273619B (en) * 1992-12-17 1996-08-28 Sony Broadcast & Communication Digital filtering
JPH06318885A (ja) * 1993-03-11 1994-11-15 Nec Corp 帯域分割適応フィルタによる未知システム同定の方法及び装置
US5381357A (en) * 1993-05-28 1995-01-10 Grumman Corporation Complex adaptive fir filter
JP2576767B2 (ja) * 1993-09-10 1997-01-29 日本電気株式会社 エコー消去方法およびエコーキャンセラ
JP2581458B2 (ja) * 1994-06-15 1997-02-12 日本電気株式会社 アダプティブフィルタの適応化方法及び装置
DE4430189A1 (de) * 1994-08-25 1996-02-29 Sel Alcatel Ag Verfahren zur adaptiven Echokompensation
JP2985675B2 (ja) * 1994-09-01 1999-12-06 日本電気株式会社 帯域分割適応フィルタによる未知システム同定の方法及び装置
JP3359460B2 (ja) * 1995-03-20 2002-12-24 沖電気工業株式会社 適応フィルタ及びエコーキャンセラ
JP2850814B2 (ja) * 1995-12-15 1999-01-27 日本電気株式会社 適応フィルタによる未知システム同定の方法及び装置
US5907497A (en) * 1995-12-28 1999-05-25 Lucent Technologies Inc. Update block for an adaptive equalizer filter configuration
JP2924762B2 (ja) * 1996-02-28 1999-07-26 日本電気株式会社 アダプティブフィルタ及びその適応化方法
US5777910A (en) * 1996-11-19 1998-07-07 Thomson Multimedia S.A. Sparse equalization filter adaptive in two dimensions
US5946351A (en) * 1996-12-27 1999-08-31 At&T Corporation Tap selectable decision feedback equalizer
JP3204151B2 (ja) * 1997-02-13 2001-09-04 日本電気株式会社 適応フィルタ
US6633894B1 (en) 1997-05-08 2003-10-14 Legerity Inc. Signal processing arrangement including variable length adaptive filter and method therefor
KR100249040B1 (ko) * 1997-06-28 2000-03-15 김영환 비대칭 주파수 응답 특성을 갖는 fir 필터
JP3180739B2 (ja) * 1997-11-07 2001-06-25 日本電気株式会社 適応フィルタによる未知システム同定の方法及び装置
US6377968B1 (en) * 1998-04-16 2002-04-23 Hitachi, Ltd. Digital filtering circuit
JP2000148160A (ja) * 1998-09-07 2000-05-26 Matsushita Electric Ind Co Ltd システム同定装置、システム同定方法および記録媒体
US6546047B1 (en) * 1998-10-08 2003-04-08 Altima Communications, Inc. Methods and circuits for optimal equalization
US6308192B1 (en) * 1998-11-30 2001-10-23 3Com Corporation Methods and apparatus for adaptive filters
EP1475946A1 (de) * 2000-05-12 2004-11-10 Siemens Aktiengesellschaft Verfahren und Anordnung zur Echokompensation eines Signals mittels eines adaptiven Filters
US7120656B1 (en) 2000-10-04 2006-10-10 Marvell International Ltd. Movable tap finite impulse response filter
GB2380367A (en) * 2001-04-28 2003-04-02 Univ Bradford an adaptive filter (or equaliser) which can increase or decrease its taps in response to errors in the input signal
US7107303B2 (en) * 2002-05-23 2006-09-12 Analog Devices, Inc. Sparse echo canceller
EP1575176A1 (de) * 2004-03-09 2005-09-14 Deutsche Thomson-Brandt Gmbh Anordnung für adaptive Bit-Wiedergewinnung
JP2005318530A (ja) * 2004-03-30 2005-11-10 Sanyo Electric Co Ltd タイミング調節方法ならびにそれを利用したデジタルフィルタおよび受信装置
US8139760B2 (en) * 2007-02-27 2012-03-20 Freescale Semiconductor, Inc. Estimating delay of an echo path in a communication system
JP5423958B2 (ja) * 2009-07-21 2014-02-19 セイコーエプソン株式会社 信号判定回路、集積回路装置及び電子機器
WO2018003057A1 (ja) 2016-06-30 2018-01-04 株式会社ソシオネクスト 等化回路、受信回路、及び半導体集積回路
CN111201712B (zh) * 2017-09-25 2023-04-21 全球硅片有限公司 自适应滤波器
CN113141216B (zh) * 2020-01-20 2022-11-15 上海诺基亚贝尔股份有限公司 信号处理方法、设备、装置和计算机可读存储介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4374426A (en) * 1980-11-14 1983-02-15 Burlage Donald W Digital equalizer for high speed communication channels
US4791390A (en) * 1982-07-01 1988-12-13 Sperry Corporation MSE variable step adaptive filter
US4727424A (en) * 1986-10-16 1988-02-23 Rca Corporation Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system
US4823136A (en) * 1987-02-11 1989-04-18 Westinghouse Electric Corp. Transmit-receive means for phased-array active antenna system using rf redundancy
EP0309888B1 (de) * 1987-09-30 1993-03-31 Siemens Aktiengesellschaft Verfahren und Schaltungsanordnung zur Erzeugung von Filtersignalen
CA1315356C (en) * 1988-07-20 1993-03-30 Seiji Miyoshi Digital adaptive filter and method of convergence therein
US5146494A (en) * 1989-07-31 1992-09-08 At&T Bell Laboratories Overlapping look-up-and-add echo canceller requiring a smaller memory size
US5050119A (en) * 1989-10-06 1991-09-17 North American Philips Corporation Optimized sparse transversal filter
DE69027966T2 (de) * 1989-10-06 1997-02-06 Philips Electronics Nv Adaptive Schaltung zur Geisterbildauslöschung

Also Published As

Publication number Publication date
AU648621B2 (en) 1994-04-28
CA2058495A1 (en) 1992-06-28
US5245561A (en) 1993-09-14
EP0492647A3 (en) 1992-11-04
CA2058495C (en) 1996-02-06
DE69125806D1 (de) 1997-05-28
EP0492647B1 (de) 1997-04-23
AU9009791A (en) 1992-07-02
EP0492647A2 (de) 1992-07-01

Similar Documents

Publication Publication Date Title
DE69125806T2 (de) Adaptiver Filter geeignet zur schnellen Identifikation eines unbekannten Systems
DE69115944D1 (de) System zur Positionierung eines Gegenstandes
DE69321065T2 (de) Verfahren zur Einstellung der optischen Achse eines optischen Systems
DE4107322B4 (de) Verfahren zur Behandlung eines wässrigen Meerwasserverdampfungssystems
DE69226551D1 (de) System und Verfahren zur Einordnung und Gewinnung hervorstehender Konturen für Zielerkennung
DE69021354D1 (de) System zur Detektion eines Hindernisses.
DE69124312T2 (de) Verfahren zur Prüfung von Fingerabdrücken
DE69229455T2 (de) System zur Bearbeitung lithographischer Informationen
DE69124672D1 (de) Verfahren zur Substratbearbeitung
DE69130271D1 (de) Leitweglenkungssystem mit Eignung zur effektiven Verarbeitung der Leitweglenkungsinformation
DE59209633D1 (de) Verfahren zur Klassifikation von Signalen
DE69220558T2 (de) System zur Dynamikerhöhung eines Empfängers
DE69519267T2 (de) Verfahren und Vorrichtung zur schnellen Identifikation eines unbekannten Systems mit reduziertem Endfehler
DE69214505D1 (de) Verfahren zur Herstellung eines Elektretfilters
DE69222592D1 (de) Verfahren und Gerät zur Identifizierung eines unbekannten Systems unter Verwendung eines adaptiven Filters
DE69122453T2 (de) Verfahren zur Sterilisierung eines wässerigen Mediums
DE69129732T2 (de) Verfahren zur Positionsdetektion
DE69128437T2 (de) Apparat zur Kontrolle eines optischen Systems
DE69105946T2 (de) Verfahren zur vieleckbearbeitung.
DE59100369D1 (de) Verfahren und Vorrichtung zur permanenten Funktionsdiagnose einschliesslich der Regelung des Systemvakuums von Melkanlagen.
DE69326796D1 (de) Verfahren zur Herstellung eines Bildes
DE69122187T2 (de) Verfahren zur Bandstandskontrolle
DE69212746D1 (de) Vorrichtung zur automatischen Änderung eines Systems zur Behandlung von Gegenständen
DE69202886D1 (de) Verfahren zur Herstellung eines Aldehyds.
DE69101329T2 (de) Verfahren zur Herstellung von D-(-)-4-Hydroxyphenylglyzin aus D.L.-4-Hydroxyphenylglyzin.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee