DE3373960D1 - Adaptive filters - Google Patents

Adaptive filters

Info

Publication number
DE3373960D1
DE3373960D1 DE8383303828T DE3373960T DE3373960D1 DE 3373960 D1 DE3373960 D1 DE 3373960D1 DE 8383303828 T DE8383303828 T DE 8383303828T DE 3373960 T DE3373960 T DE 3373960T DE 3373960 D1 DE3373960 D1 DE 3373960D1
Authority
DE
Germany
Prior art keywords
adaptive filters
adaptive
filters
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
DE8383303828T
Other languages
English (en)
Inventor
Richard Wayne Dr Harris
Frank Avery Bishop
Glen Douglas Rattlingourd
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.)
Sperry Corp
Original Assignee
Sperry 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 Sperry Corp filed Critical Sperry Corp
Application granted granted Critical
Publication of DE3373960D1 publication Critical patent/DE3373960D1/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
DE8383303828T 1982-07-01 1983-07-01 Adaptive filters Expired DE3373960D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/394,488 US4791390A (en) 1982-07-01 1982-07-01 MSE variable step adaptive filter

Publications (1)

Publication Number Publication Date
DE3373960D1 true DE3373960D1 (en) 1987-11-05

Family

ID=23559167

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383303828T Expired DE3373960D1 (en) 1982-07-01 1983-07-01 Adaptive filters

Country Status (5)

Country Link
US (1) US4791390A (de)
EP (1) EP0098748B1 (de)
JP (1) JPS5922430A (de)
CA (1) CA1208703A (de)
DE (1) DE3373960D1 (de)

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DE69222787T2 (de) * 1991-02-20 1998-02-19 Nec Corp Verfahren und Vorrichtung zur Kontrolle der Koeffizienten eines adaptiven Filters
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US5450339A (en) * 1991-10-10 1995-09-12 Harris Corp Noncanonic fully systolic LMS adaptive architecture
US5309378A (en) * 1991-11-18 1994-05-03 Hughes Aircraft Company Multi-channel adaptive canceler
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US6563931B1 (en) * 1992-07-29 2003-05-13 K/S Himpp Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
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EP0629080B1 (de) * 1993-06-09 2000-02-23 STMicroelectronics S.r.l. Adaptives Verfahren zur Entfernung von Geisterbildern in Videosignalen
US5828700A (en) * 1993-08-05 1998-10-27 Micro Linear Corporation Adaptive equalizer circuit
JP2785858B2 (ja) * 1994-01-28 1998-08-13 日本電気株式会社 高速制御適応フィルタを用いた受信方式
DE4434723C1 (de) * 1994-09-28 1995-06-14 Siemens Ag Adaptives Netzwerk
US6310963B1 (en) 1994-09-30 2001-10-30 Sensormatic Electronics Corp Method and apparatus for detecting an EAS (electronic article surveillance) marker using wavelet transform signal processing
KR0144294B1 (ko) * 1994-12-14 1998-07-15 배순훈 수렴특성을 개선시킨 등화기
US5734598A (en) * 1994-12-28 1998-03-31 Quantum Corporation Low power filter coefficient adaptation circuit for digital adaptive filter
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US5745396A (en) * 1995-04-28 1998-04-28 Lucent Technologies Inc. Pipelined adaptive IIR filter
US5844941A (en) * 1995-07-20 1998-12-01 Micro Linear Corporation Parallel adaptive equalizer circuit
US5715320A (en) * 1995-08-21 1998-02-03 Digisonix, Inc. Active adaptive selective control system
US5983254A (en) * 1996-09-17 1999-11-09 Lucent Technologies Inc. Zero-latency pipeline architecture for digital filters
US5844188A (en) * 1996-12-19 1998-12-01 Siemens Energy & Automation, Inc. Circuit breaker with improved trip mechanism
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US6745218B1 (en) * 1999-03-16 2004-06-01 Matsushita Electric Industrial Co., Ltd. Adaptive digital filter
US6294956B1 (en) * 1999-11-19 2001-09-25 Lucent Technologies Inc. System and method for producing amplified signal(s) or version(s) thereof
US7689637B1 (en) 2000-05-04 2010-03-30 Koninklijke Philips Electronics N.V. Adaptive filtering method and related device
US6732129B1 (en) 2000-10-04 2004-05-04 Spanta J. Ashjaee Adaptive filtering and learning system having increased convergence speed and stability
US7110482B2 (en) * 2000-12-29 2006-09-19 Lockheed Martin Corporation Method and apparatus for tracking invalid signals through a digital system
US6480151B2 (en) 2000-12-29 2002-11-12 Lockheed Martin Corporation GPS receiver interference nuller with no satellite signal distortion
DE10232702B4 (de) * 2002-07-18 2005-06-16 Infineon Technologies Ag Adaptiver Entzerrer mit integrierter Anpassung des Ausgangspegels
US7353245B2 (en) * 2002-09-04 2008-04-01 Agere Systems Inc. Adaptive filter coefficient determination
US7406493B2 (en) * 2004-03-17 2008-07-29 Tektronix, Inc. Up-sampling half-band reconstruction filtering
US7643582B2 (en) * 2004-06-09 2010-01-05 Marvell World Trade Ltd. Method and system for determining symbol boundary timing in a multicarrier data transmission system
US7817730B2 (en) * 2004-06-09 2010-10-19 Marvell World Trade Ltd. Training sequence for symbol boundary detection in a multicarrier data transmission system
US7561626B2 (en) * 2004-06-09 2009-07-14 Marvell World Trade Ltd. Method and system for channel estimation in a data transmission system
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US20060035593A1 (en) * 2004-08-12 2006-02-16 Motorola, Inc. Noise and interference reduction in digitized signals
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US7949520B2 (en) 2004-10-26 2011-05-24 QNX Software Sytems Co. Adaptive filter pitch extraction
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US7680652B2 (en) * 2004-10-26 2010-03-16 Qnx Software Systems (Wavemakers), Inc. Periodic signal enhancement system
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US8667039B2 (en) * 2010-11-17 2014-03-04 Lsi Corporation Systems and methods for variance dependent normalization for branch metric calculation
US8838660B2 (en) * 2010-12-20 2014-09-16 Lsi Corporation Systems and methods for reducing filter sensitivities
US10476708B2 (en) 2016-04-13 2019-11-12 The Boeing Company Methods and apparatus to implement a signal scrambler
US10439754B2 (en) * 2016-04-13 2019-10-08 The Boeing Company Methods and apparatus to implement a third-order signal scrambler

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US238746A (en) * 1881-03-08 Telephone call-bell
US4038536A (en) * 1976-03-29 1977-07-26 Rockwell International Corporation Adaptive recursive least mean square error filter
US4052559A (en) * 1976-12-20 1977-10-04 Rockwell International Corporation Noise filtering device
US4238746A (en) * 1978-03-20 1980-12-09 The United States Of America As Represented By The Secretary Of The Navy Adaptive line enhancer
US4243935A (en) * 1979-05-18 1981-01-06 The United States Of America As Represented By The Secretary Of The Navy Adaptive detector
NL7905577A (nl) * 1979-07-18 1981-01-20 Philips Nv Inrichting met een niet-recursieffilter.

Also Published As

Publication number Publication date
EP0098748A3 (en) 1985-05-29
JPS5922430A (ja) 1984-02-04
EP0098748A2 (de) 1984-01-18
US4791390A (en) 1988-12-13
EP0098748B1 (de) 1987-09-30
CA1208703A (en) 1986-07-29

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