CN1127801C - 在多信道多相滤波器中实现非整数采样速率改变的装置 - Google Patents

在多信道多相滤波器中实现非整数采样速率改变的装置 Download PDF

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Publication number
CN1127801C
CN1127801C CN99812345A CN99812345A CN1127801C CN 1127801 C CN1127801 C CN 1127801C CN 99812345 A CN99812345 A CN 99812345A CN 99812345 A CN99812345 A CN 99812345A CN 1127801 C CN1127801 C CN 1127801C
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China
Prior art keywords
filter
polyphase filter
sampling rate
rate
channel
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Expired - Fee Related
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CN99812345A
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Chinese (zh)
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CN1324513A (zh
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詹姆斯·W·莫考
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Motorola Solutions Inc
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Motorola Inc
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    • 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
    • H03H17/0685—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 rational
    • 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
    • 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
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/06—Multiple-input, multiple-output [MIMO]; Multiple-input, single-output [MISO]

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CN99812345A 1998-10-19 1999-09-15 在多信道多相滤波器中实现非整数采样速率改变的装置 Expired - Fee Related CN1127801C (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US17486198A 1998-10-19 1998-10-19
US09/174,861 1998-10-19
US09/176,781 1998-10-22
US09/176,781 US6134268A (en) 1998-10-19 1998-10-22 Apparatus for performing a non-integer sampling rate change in a multichannel polyphase filter

Publications (2)

Publication Number Publication Date
CN1324513A CN1324513A (zh) 2001-11-28
CN1127801C true CN1127801C (zh) 2003-11-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN99812345A Expired - Fee Related CN1127801C (zh) 1998-10-19 1999-09-15 在多信道多相滤波器中实现非整数采样速率改变的装置

Country Status (6)

Country Link
US (1) US6134268A (enExample)
EP (1) EP1125363A4 (enExample)
JP (1) JP4440473B2 (enExample)
CN (1) CN1127801C (enExample)
AU (1) AU6497399A (enExample)
WO (1) WO2000024122A1 (enExample)

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US7564866B2 (en) * 2000-07-21 2009-07-21 Broadcom Corporation Methods and systems for digitally processing optical data signals
US6531969B2 (en) * 2001-05-02 2003-03-11 Portalplayer, Inc. Resampling system and apparatus
US7158591B2 (en) * 2001-05-09 2007-01-02 Signum Concept, Inc. Recursive resampling digital filter structure for demodulating 3G wireless signals
US7164741B2 (en) * 2001-05-09 2007-01-16 Signum Concept, Inc. Non-recursive resampling digital fir filter structure for demodulating 3G cellular signals
FR2825552B1 (fr) * 2001-05-30 2004-07-09 Mitsubishi Electric Inf Tech Dispositif et procede de demodulation numerique d'un signal recu par selection d'un filtre et recepteur de communication numerique le comportant
FR2825550B1 (fr) * 2001-05-30 2003-09-05 Mitsubishi Electric Inf Tech Dispositif et procede de demodulation numerique d'un signal recu par selection d'un filtre et recepteur de communication numerique le comportant
US6996188B2 (en) * 2001-06-25 2006-02-07 Cyntrust Communications, Inc. Multiple sub-channel modulation and demodulation with arbitrarily defined channel spacing and sampling rates
US7047263B2 (en) * 2001-08-14 2006-05-16 Texas Instruments Incorporated Fast-settling digital filter and method for analog-to-digital converters
GB2405061B (en) * 2001-12-05 2005-05-18 Matsushita Electric Industrial Co Ltd Multirate digital transceiver
CN100426670C (zh) * 2002-08-15 2008-10-15 联发科技股份有限公司 多相滤波器电路
US6754284B2 (en) 2002-08-22 2004-06-22 Motorola, Inc. Method and apparatus for minima enlargement
US7245237B2 (en) * 2002-09-17 2007-07-17 Intel Corporation Digital sampling rate conversion using a poly-phase filter and a polynomial interpolator
KR100511295B1 (ko) * 2002-10-30 2005-08-31 엘지전자 주식회사 디지털 필터 및 그 운용방법
MXPA05005122A (es) * 2002-11-14 2006-02-22 Team Medical Llc Metodo y sistema para procesar senal diagnostica.
US7167112B2 (en) 2003-03-21 2007-01-23 D2Audio Corporation Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility
US7908306B1 (en) 2003-03-21 2011-03-15 D2Audio Corp SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
WO2004086611A2 (en) * 2003-03-21 2004-10-07 D2Audio Corporation Systems and methods for implementing a sample rate converter using hardware and software to maximize speed and flexibility
US7474722B1 (en) * 2003-03-21 2009-01-06 D2Audio Corporation Systems and methods for sample rate conversion using multiple rate estimate counters
US7738613B1 (en) 2003-03-21 2010-06-15 D2Audio Corporation Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
US7929718B1 (en) 2003-05-12 2011-04-19 D2Audio Corporation Systems and methods for switching and mixing signals in a multi-channel amplifier
KR100842500B1 (ko) * 2005-06-29 2008-07-01 삼성전자주식회사 주파수 오버레이 통신 시스템에서 신호 송수신 시스템 및방법
EP2030389A4 (en) * 2006-06-16 2013-07-17 Preco Electronics Inc NARROW BAND DETECTIONS OF A RECEIVED SIGNAL
US7864080B1 (en) * 2008-12-29 2011-01-04 Altera Corporation Sample rate conversion by controlled selection of filter outputs
CN101540749B (zh) * 2009-04-22 2012-09-26 吕正德 可配置变换长度dft的前处理单元的实现方法及装置
US8412141B2 (en) * 2009-10-19 2013-04-02 Qualcomm Incorporated LR polyphase filter
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WO2015038578A2 (en) * 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation System aspects of an audio codec
CN104932992B (zh) * 2015-07-08 2017-10-03 中国电子科技集团公司第五十四研究所 一种带宽粒度可变的微波数字柔性转发方法
US10516420B1 (en) * 2018-06-12 2019-12-24 Mitsubishi Electric Research Laboratories, Inc. High speed digital bit generator for optical frontal interface
US10560126B2 (en) * 2018-06-12 2020-02-11 Mitsubishi Electric Research Laboratories, Inc. Mixed-mode millimeter-wave transmitter
CN110868260B (zh) * 2018-08-27 2021-11-02 李锐洪 脉冲编码调制通带滤波器及获得多个滤波通带的方法
CN115865242B (zh) * 2022-11-24 2024-09-20 成都华日通讯技术股份有限公司 多通道实时监测方法

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US5903232A (en) * 1997-10-03 1999-05-11 Motorola Inc. Apparatus and method for sampling rate conversion with rational factors

Also Published As

Publication number Publication date
EP1125363A4 (en) 2004-04-07
JP4440473B2 (ja) 2010-03-24
EP1125363A1 (en) 2001-08-22
WO2000024122A1 (en) 2000-04-27
JP2002528945A (ja) 2002-09-03
US6134268A (en) 2000-10-17
AU6497399A (en) 2000-05-08
CN1324513A (zh) 2001-11-28

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