DE69840313D1 - Digitales Filter - Google Patents

Digitales Filter

Info

Publication number
DE69840313D1
DE69840313D1 DE69840313T DE69840313T DE69840313D1 DE 69840313 D1 DE69840313 D1 DE 69840313D1 DE 69840313 T DE69840313 T DE 69840313T DE 69840313 T DE69840313 T DE 69840313T DE 69840313 D1 DE69840313 D1 DE 69840313D1
Authority
DE
Germany
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 - Lifetime
Application number
DE69840313T
Other languages
English (en)
Inventor
Karen J Stephen
Jonathan Cromwell
Alok Gupta
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69840313D1 publication Critical patent/DE69840313D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0273—Polyphase filters
    • H03H17/0275—Polyphase filters comprising non-recursive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0642—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being arbitrary or irrational
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/04—In-phase and quadrature [I/Q] signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Analogue/Digital Conversion (AREA)
  • Complex Calculations (AREA)
DE69840313T 1997-05-30 1998-05-29 Digitales Filter Expired - Lifetime DE69840313D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/866,590 US6014682A (en) 1997-05-30 1997-05-30 Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate

Publications (1)

Publication Number Publication Date
DE69840313D1 true DE69840313D1 (de) 2009-01-22

Family

ID=25347948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69840313T Expired - Lifetime DE69840313D1 (de) 1997-05-30 1998-05-29 Digitales Filter

Country Status (9)

Country Link
US (1) US6014682A (de)
EP (1) EP0881764B1 (de)
JP (2) JP3337424B2 (de)
KR (1) KR100373525B1 (de)
CN (1) CN1146199C (de)
DE (1) DE69840313D1 (de)
MY (1) MY114060A (de)
SG (1) SG68667A1 (de)
TW (1) TW391110B (de)

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US6681059B1 (en) * 1998-07-28 2004-01-20 Dvdo, Inc. Method and apparatus for efficient video scaling
DE19919575C1 (de) * 1999-04-29 2001-01-11 Siemens Ag Kammfilteranordnung zur Dezimation einer Folge von digitalen Eingangswerten in eine Folge von digitalen Ausgangswerten um einen nicht ganzzahligen Faktor
US6801922B2 (en) * 2000-06-02 2004-10-05 Texas Instruments Incorporated Sampling rate converter and method
US6925478B2 (en) * 2000-12-19 2005-08-02 Nikon Corporation Practical pseudo-asynchronous filter architecture
ATE266287T1 (de) * 2000-12-20 2004-05-15 Motorola Inc Quadraturmodulator mit programmierbarer pulsformung
KR100895176B1 (ko) * 2002-01-23 2009-05-04 삼성전자주식회사 주파수 변환기
US7764758B2 (en) * 2003-01-30 2010-07-27 Lsi Corporation Apparatus and/or method for variable data rate conversion
FI114512B (fi) * 2003-03-14 2004-10-29 Nokia Corp Menetelmä siniaaltosignaalin generoimiseksi
US7145487B1 (en) * 2004-02-23 2006-12-05 Sirf Technology, Inc. Signal processing providing lower downsampling losses
US7817726B2 (en) * 2004-05-21 2010-10-19 Broadcom Corporation System and method for automatic filter generation using sampled SINC function with windowed smoothing
GB0417717D0 (en) * 2004-08-10 2004-09-08 Koninkl Philips Electronics Nv Identifying a reference point in a signal
US8417750B2 (en) 2004-10-13 2013-04-09 Mediatek Inc. Filters for communication systems
CN101080870B (zh) * 2004-11-12 2012-02-08 联发科技股份有限公司 用分数减小信号的采样频率的采样率转换器
US7480689B2 (en) * 2004-11-19 2009-01-20 Massachusetts Institute Of Technology Systolic de-multiplexed finite impulse response filter array architecture for linear and non-linear implementations
US7095349B1 (en) * 2005-05-03 2006-08-22 Altera Corporation Numerically controlled oscillator and method for operating the same
EP1775833A1 (de) * 2005-10-12 2007-04-18 Infineon Technologies AG Digitales Filter und Verfahren zum Entwurf digitaler Filter mittels Integrations- und Löschfilter
US20080071846A1 (en) * 2006-09-14 2008-03-20 Texas Instruments Incorporated Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit
JP4186083B2 (ja) * 2006-10-03 2008-11-26 日本電気株式会社 クロック同期回路
US8200729B2 (en) * 2006-10-25 2012-06-12 Agilent Technologies, Inc. Efficient implementation of filters for MIMO fading
US8005176B2 (en) * 2007-02-15 2011-08-23 Massachusetts Institute Of Technology Architecture for systolic nonlinear filter processors
US8306245B2 (en) * 2007-05-25 2012-11-06 Marvell World Trade Ltd. Multi-mode audio amplifiers
EP2091149A1 (de) * 2008-02-18 2009-08-19 STMicroelectronics N.V. Verfahren und Vorrichtung zur Abwärtsumwandlung der Abtastfrequenz eines digitalen Signals.
JP4544336B2 (ja) * 2008-04-17 2010-09-15 ソニー株式会社 画像処理装置、撮像装置、画像処理方法、及びプログラム
US8510589B2 (en) * 2008-08-29 2013-08-13 Intel Mobile Communications GmbH Apparatus and method using first and second clocks
CN102130664B (zh) * 2010-01-18 2014-02-12 澜起科技（上海）有限公司 数据率转换装置及方法
WO2011089981A1 (ja) * 2010-01-19 2011-07-28 三菱電機株式会社 信号生成装置および信号生成方法
WO2011090110A1 (ja) * 2010-01-25 2011-07-28 三菱電機株式会社 サンプリングレート変換装置およびサンプリングレート変換方法
US9002917B2 (en) * 2010-07-30 2015-04-07 National Instruments Corporation Generating filter coefficients for a multi-channel notch rejection filter
JP2012085177A (ja) * 2010-10-13 2012-04-26 Renesas Electronics Corp デシメータ回路及びデシメータ回路の演算方法
US8395429B2 (en) * 2011-03-31 2013-03-12 Nihon Dempa Kogyo Co., Ltd. Signal generating device and frequency synthesizer
US8693601B2 (en) * 2012-01-03 2014-04-08 Intel Corporation Self-correcting multirate filter
WO2014027570A1 (ja) * 2012-08-13 2014-02-20 三菱電機株式会社 信号生成装置
WO2015038578A2 (en) * 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation System aspects of an audio codec
US11963792B1 (en) 2014-05-04 2024-04-23 Dp Technologies, Inc. Sleep ecosystem
EP3143603B1 (de) * 2014-05-16 2024-02-21 Analog Devices International Unlimited Company Konfiguration von signalverarbeitungssystemen
US11883188B1 (en) 2015-03-16 2024-01-30 Dp Technologies, Inc. Sleep surface sensor based sleep analysis system
US10122346B2 (en) * 2017-03-03 2018-11-06 Synaptics Incorporated Coefficient generation for digital filters
US9900028B1 (en) * 2017-03-03 2018-02-20 Synaptics Incorporated Decimation filtering in systems having parallel analog-to-digital converter channels
US11471097B1 (en) * 2018-10-15 2022-10-18 Dp Technologies, Inc. Hardware sensor system for improved sleep detection
CN110290081B (zh) * 2019-06-27 2022-03-25 北京润科通用技术有限公司 一种基带信号处理方法及装置
CN110798176B (zh) * 2019-10-29 2023-06-20 中电科思仪科技股份有限公司 一种任意波宽带信号预失真滤波器构建方法及数字滤波器
US11906557B2 (en) * 2021-12-22 2024-02-20 Schweitzer Engineering Laboratories, Inc. Processing sinewave signals of variable frequency in a device with fixed processing rates
CN114911299B (zh) * 2022-07-18 2022-10-28 深圳市英特瑞半导体科技有限公司 用于晶振温度补偿的高阶函数产生电路及装置

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FR2447646A1 (fr) * 1979-01-29 1980-08-22 Materiel Telephonique Filtre numerique transversal pour traitement en temps partage sur plusieurs canaux
JP2731151B2 (ja) * 1987-09-18 1998-03-25 株式会社東芝 位相情報検出回路
US5010506A (en) * 1989-06-19 1991-04-23 Rockwell International Corporation Spurious level reduction and control method for direct digital synthesizers
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US5548540A (en) * 1994-06-24 1996-08-20 General Electric Company Decimation filter having a selectable decimation ratio
US5768311A (en) * 1995-12-22 1998-06-16 Paradyne Corporation Interpolation system for fixed sample rate signal processing

Also Published As

Publication number Publication date
EP0881764B1 (de) 2008-12-10
EP0881764A3 (de) 2001-05-30
JP2003069388A (ja) 2003-03-07
JPH1155077A (ja) 1999-02-26
MY114060A (en) 2002-07-31
CN1146199C (zh) 2004-04-14
CN1208298A (zh) 1999-02-17
KR100373525B1 (ko) 2003-04-21
SG68667A1 (en) 2000-01-25
EP0881764A2 (de) 1998-12-02
US6014682A (en) 2000-01-11
TW391110B (en) 2000-05-21
JP3337424B2 (ja) 2002-10-21
KR19980087508A (ko) 1998-12-05

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition