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

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0016Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0273Polyphase filters
    • H03H17/0275Polyphase filters comprising non-recursive filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • H03H17/0621Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635Non-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
    • H03H17/0642Non-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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00Indexing scheme relating to details of digital filters
    • H03H2218/04In-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 (fr)
EP (1) EP0881764B1 (fr)
JP (2) JP3337424B2 (fr)
KR (1) KR100373525B1 (fr)
CN (1) CN1146199C (fr)
DE (1) DE69840313D1 (fr)
MY (1) MY114060A (fr)
SG (1) SG68667A1 (fr)
TW (1) TW391110B (fr)

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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
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US7764758B2 (en) * 2003-01-30 2010-07-27 Lsi Corporation Apparatus and/or method for variable data rate conversion
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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
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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
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US20080071846A1 (en) * 2006-09-14 2008-03-20 Texas Instruments Incorporated Processor Architecture for Programmable Digital Filters in a Multi-Standard Integrated Circuit
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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
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EP2530839A4 (fr) * 2010-01-25 2014-03-05 Mitsubishi Electric Corp Dispositif et procédé de conversion de cadence d'échantillonnage
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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 (fr) 2008-12-10
EP0881764A3 (fr) 2001-05-30
US6014682A (en) 2000-01-11
TW391110B (en) 2000-05-21
MY114060A (en) 2002-07-31
CN1208298A (zh) 1999-02-17
EP0881764A2 (fr) 1998-12-02
JPH1155077A (ja) 1999-02-26

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