SG68667A1 - Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate - Google Patents

Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate

Info

Publication number
SG68667A1
SG68667A1 SG1998001131A SG1998001131A SG68667A1 SG 68667 A1 SG68667 A1 SG 68667A1 SG 1998001131 A SG1998001131 A SG 1998001131A SG 1998001131 A SG1998001131 A SG 1998001131A SG 68667 A1 SG68667 A1 SG 68667A1
Authority
SG
Singapore
Prior art keywords
rate
sampling
discrete
variable
methods
Prior art date
Application number
SG1998001131A
Other languages
English (en)
Inventor
Karen J Stephen
Alok Gupta
Jonathan Cromwell
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG68667A1 publication Critical patent/SG68667A1/en

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)
SG1998001131A 1997-05-30 1998-05-26 Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate SG68667A1 (en)

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
SG68667A1 true SG68667A1 (en) 2000-01-25

Family

ID=25347948

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998001131A SG68667A1 (en) 1997-05-30 1998-05-26 Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate

Country Status (9)

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

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7641685B2 (en) * 1996-05-03 2010-01-05 Medinol Ltd. System and method for delivering a bifurcated stent
DE19829290A1 (de) * 1998-06-30 2000-01-05 Siemens Ag Verfahren zur digitalen Taktrückgewinnung und selektiven Filterung
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
JP2002026690A (ja) * 2000-06-02 2002-01-25 Texas Instr Inc <Ti> サンプリング速度変換器および方法
US6925478B2 (en) * 2000-12-19 2005-08-02 Nikon Corporation Practical pseudo-asynchronous filter architecture
EP1239640B1 (en) 2000-12-20 2004-05-06 Motorola, Inc. Quadrature modulator with programmable pulse shaping
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
CN101040437B (zh) * 2004-10-13 2010-05-12 联发科技股份有限公司 用于通信系统的滤波器以及滤波方法
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
WO2008101045A1 (en) * 2007-02-15 2008-08-21 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 (fr) 2008-02-18 2009-08-19 STMicroelectronics N.V. Procédé et dispositif de conversion descendante de fréquence d'échantillonnage d'un signal numérique.
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
US20120313671A1 (en) * 2010-01-19 2012-12-13 Mitsubishi Electric Corporation Signal generation device and signal generation method
EP2530839A4 (en) * 2010-01-25 2014-03-05 Mitsubishi Electric Corp DEVICE FOR CONVERTING THE SCAN SPEED AND METHOD FOR CONVERTING THE SCAN SPEED
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
CN106463039B (zh) * 2014-05-16 2019-11-26 凌力尔特有限公司 配置信号处理系统
US11883188B1 (en) 2015-03-16 2024-01-30 Dp Technologies, Inc. Sleep surface sensor based sleep analysis system
US9900028B1 (en) * 2017-03-03 2018-02-20 Synaptics Incorporated Decimation filtering in systems having parallel analog-to-digital converter channels
US10122346B2 (en) * 2017-03-03 2018-11-06 Synaptics Incorporated Coefficient generation for digital filters
US11793455B1 (en) 2018-10-15 2023-10-24 Dp Technologies, Inc. Hardware sensor system for controlling sleep environment
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
CN116094892B (zh) * 2022-12-02 2024-09-24 中国电子科技集团公司第五十四研究所 一种ofdm信号调制装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
GB9301704D0 (en) 1993-01-28 1993-03-17 Signal Processors Ltd New digital modem design techniques
US5563815A (en) * 1993-08-30 1996-10-08 Fostex Research & Development, Inc. Digital tone oscillator for certain exact frequencies and method for generating tones
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
KR100373525B1 (ko) 2003-04-21
DE69840313D1 (de) 2009-01-22
CN1146199C (zh) 2004-04-14
JP2003069388A (ja) 2003-03-07
JP3337424B2 (ja) 2002-10-21
KR19980087508A (ko) 1998-12-05
EP0881764B1 (en) 2008-12-10
EP0881764A3 (en) 2001-05-30
US6014682A (en) 2000-01-11
TW391110B (en) 2000-05-21
MY114060A (en) 2002-07-31
CN1208298A (zh) 1999-02-17
EP0881764A2 (en) 1998-12-02
JPH1155077A (ja) 1999-02-26

Similar Documents

Publication Publication Date Title
SG68667A1 (en) Methods and apparatus for variable-rate down- sampling filters for discrete-time sampled systems using a fixed sampling rate
AU7794498A (en) Disposable sampling device for particle counting apparatus
GB2326790B (en) Device and method for converting frame rate
EP0758171A3 (en) Data sampling and recovery
IL131185A (en) Method and device for solid phase microextraction
AU7627098A (en) Methods and apparatus for regenerating a prepaid transaction account
AU4777693A (en) Method and apparatus for obtaining cytology monolayers
HUP9802922A3 (en) Sampling device
AU1746100A (en) Apparatus and method for sampling a phototransistor
EP0916203A4 (en) METHOD FOR INDICATING THE VARIABLE DATA RATE OF THE NEXT FRAME
GB2263768B (en) A sampling apparatus
AU4252896A (en) A sampling device
AU5223298A (en) Sampling apparatus, sampling method and method for cleaning sampling apparatus
AU4147697A (en) A method and apparatus for sampling data from a memory
AU3090995A (en) Method and device for sampling liquid
GB2301579B (en) Sampling device
GB2290612B (en) Beet sampling apparatus
GB0000117D0 (en) Method and apparatus for signal bandpass sampling in measurement-while -drilling applications
GB2354138B (en) Device and method for filtering a signal which represents a digital data stream
GB2329536B (en) DC Blocking apparatus and technique for sampled data filters
GB9502240D0 (en) Means for sampling
AUPP780098A0 (en) Method and apparatus for decimation filtering
GB2331644B (en) Memory-effective method and device for sampling and regenerating waveform
EP0756788A4 (en) DEVICE FOR SCANING A PARAMETER
GB9526092D0 (en) Method and apparatus for sampling a liquid