SE467680B - Digital filterbank med minskad effektfoerbrukning - Google Patents

Digital filterbank med minskad effektfoerbrukning

Info

Publication number
SE467680B
SE467680B SE9004055A SE9004055A SE467680B SE 467680 B SE467680 B SE 467680B SE 9004055 A SE9004055 A SE 9004055A SE 9004055 A SE9004055 A SE 9004055A SE 467680 B SE467680 B SE 467680B
Authority
SE
Sweden
Prior art keywords
filter
bank
filter bank
sub
digital
Prior art date
Application number
SE9004055A
Other languages
English (en)
Swedish (sv)
Other versions
SE9004055D0 (sv
SE9004055L (sv
Inventor
Johan Hellgren
Thomas Lunner
Original Assignee
Johan Hellgren
Thomas Lunner
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 Johan Hellgren, Thomas Lunner filed Critical Johan Hellgren
Priority to SE9004055A priority Critical patent/SE467680B/sv
Publication of SE9004055D0 publication Critical patent/SE9004055D0/xx
Priority to DE69123365T priority patent/DE69123365T2/de
Priority to AT92901314T priority patent/ATE145772T1/de
Priority to CA002098711A priority patent/CA2098711C/en
Priority to DK92901314.2T priority patent/DK0574400T3/da
Priority to JP50148692A priority patent/JP3223188B2/ja
Priority to EP92901314A priority patent/EP0574400B1/de
Priority to US08/081,263 priority patent/US5436859A/en
Priority to ES92901314T priority patent/ES2094899T3/es
Priority to PCT/SE1991/000860 priority patent/WO1992011696A1/en
Priority to AU90973/91A priority patent/AU652210B2/en
Publication of SE9004055L publication Critical patent/SE9004055L/
Publication of SE467680B publication Critical patent/SE467680B/sv

Links

Classifications

    • 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
    • H03H17/0266Filter banks
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0223Computation saving measures; Accelerating measures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Networks Using Active Elements (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Circuits Of Receivers In General (AREA)
  • Secondary Cells (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Tests Of Electric Status Of Batteries (AREA)
  • Amplifiers (AREA)
  • Studio Devices (AREA)
  • Fuel Cell (AREA)
SE9004055A 1990-12-19 1990-12-19 Digital filterbank med minskad effektfoerbrukning SE467680B (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9004055A SE467680B (sv) 1990-12-19 1990-12-19 Digital filterbank med minskad effektfoerbrukning
AU90973/91A AU652210B2 (en) 1990-12-19 1991-12-13 A method to reduce the power consumation of a digital filter bank by reducing the number of multiplications
DK92901314.2T DK0574400T3 (da) 1990-12-19 1991-12-13 Fremgangsmåde til reduktion af en digital filterbanks effektforbrug ved nedsættelse af antallet af multiplikationer
AT92901314T ATE145772T1 (de) 1990-12-19 1991-12-13 Verfahren zur reduzierung des leistungsverbrauchs einer digitalen filterbank durch verringern der anzahl der multiplikationen
CA002098711A CA2098711C (en) 1990-12-19 1991-12-13 Method to reduce the power consumation of a digital filter bank by reducing the number of multiplications
DE69123365T DE69123365T2 (de) 1990-12-19 1991-12-13 Verfahren zur reduzierung des leistungsverbrauchs einer digitalen filterbank durch verringern der anzahl der multiplikationen
JP50148692A JP3223188B2 (ja) 1990-12-19 1991-12-13 積の数を減らすことによりディジタルフィルタバンクの電力消費を減らす方法
EP92901314A EP0574400B1 (de) 1990-12-19 1991-12-13 Verfahren zur reduzierung des leistungsverbrauchs einer digitalen filterbank durch verringern der anzahl der multiplikationen
US08/081,263 US5436859A (en) 1990-12-19 1991-12-13 Method to reduce the power consumation of a digital filter bank analyzer reducing the number of multiplications
ES92901314T ES2094899T3 (es) 1990-12-19 1991-12-13 Metodo para reducir el consumo de energia de un banco de filtros digitales por reduccion del numero de multiplicaciones.
PCT/SE1991/000860 WO1992011696A1 (en) 1990-12-19 1991-12-13 A method to reduce the power consumation of a digital filter bank by reducing the number of multiplications

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9004055A SE467680B (sv) 1990-12-19 1990-12-19 Digital filterbank med minskad effektfoerbrukning

Publications (3)

Publication Number Publication Date
SE9004055D0 SE9004055D0 (sv) 1990-12-19
SE9004055L SE9004055L (sv) 1992-06-20
SE467680B true SE467680B (sv) 1992-08-24

Family

ID=20381240

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9004055A SE467680B (sv) 1990-12-19 1990-12-19 Digital filterbank med minskad effektfoerbrukning

Country Status (11)

Country Link
US (1) US5436859A (de)
EP (1) EP0574400B1 (de)
JP (1) JP3223188B2 (de)
AT (1) ATE145772T1 (de)
AU (1) AU652210B2 (de)
CA (1) CA2098711C (de)
DE (1) DE69123365T2 (de)
DK (1) DK0574400T3 (de)
ES (1) ES2094899T3 (de)
SE (1) SE467680B (de)
WO (1) WO1992011696A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0608664B1 (de) * 1993-01-29 1999-05-06 STMicroelectronics S.r.l. Verfahren zur Filterung digitaler Signale mit hoher Auslösung und entsprechendem Aufbau digitaler Filter
DE4437158C1 (de) * 1994-10-18 1995-10-19 Ant Nachrichtentech De-/Multiplexer von Frequenzbändern
US5923273A (en) * 1996-11-18 1999-07-13 Crystal Semiconductor Corporation Reduced power FIR filter
US6377968B1 (en) * 1998-04-16 2002-04-23 Hitachi, Ltd. Digital filtering circuit
US7076228B1 (en) * 1999-11-10 2006-07-11 Rilling Kenneth F Interference reduction for multiple signals
JP2000261291A (ja) * 1999-03-11 2000-09-22 Mitsubishi Electric Corp リサンプラ方法およびリサンプラ回路
US7080108B1 (en) * 1999-11-02 2006-07-18 Intel Corporation Discrete filter having a tap selection circuit
TW200303648A (en) * 2001-12-28 2003-09-01 Sakai Yasue Design method and design apparatus of digital filter, program for design of digital filter, and digital filter
EP1533898A1 (de) * 2002-07-15 2005-05-25 Neuro Solution Corp. Verfahren zum entwurf eines digitalen filters, programm zum entwurf digitaler filter, digitales filter
US7529788B2 (en) 2002-10-21 2009-05-05 Neuro Solution Corp. Digital filter design method and device, digital filter design program, and digital filter
TW200408813A (en) * 2002-10-21 2004-06-01 Neuro Solution Corp Digital filter design method and device, digital filter design program, and digital filter
TW200414675A (en) * 2002-10-21 2004-08-01 Neuro Solution Corp Digital filter design method and device, digital filter design program, and digital filter
JPWO2004079905A1 (ja) * 2003-03-03 2006-06-08 有限会社ニューロソリューション デジタルフィルタの設計方法および装置、デジタルフィルタ設計用プログラム、デジタルフィルタ
US7236693B2 (en) 2005-03-22 2007-06-26 Globaltec Fireplaces, Inc. Flame simulator for use in an electric heater
JP4690243B2 (ja) * 2005-05-11 2011-06-01 ティーオーエー株式会社 デジタルフィルタ、周期性騒音低減装置および騒音低減装置
US8949303B2 (en) 2008-06-10 2015-02-03 Japanese Science And Technology Agency Filter
JP2010232714A (ja) * 2009-03-25 2010-10-14 Advantest Corp 信号処理装置、デジタルフィルタ、および、プログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315809A1 (fr) * 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence
US4542475A (en) * 1982-11-23 1985-09-17 Rca Corporation Sampled data filter system as for a digital TV
US4615026A (en) * 1984-01-20 1986-09-30 Rca Corporation Digital FIR filters with enhanced tap weight resolution
DE3510573A1 (de) * 1985-03-23 1986-09-25 Philips Patentverwaltung Digitale analyse-synthese-filterbank mit maximaler taktreduktion
DE3732085A1 (de) * 1986-03-26 1989-04-06 Ant Nachrichtentech Digitaler filterbaum
DE3610195A1 (de) * 1986-03-26 1987-10-01 Ant Nachrichtentech Digitale filterbank
US4951269A (en) * 1986-10-30 1990-08-21 Fujitsu Limited Echo canceller with short processing delay and decreased multiplication number
US4829378A (en) * 1988-06-09 1989-05-09 Bell Communications Research, Inc. Sub-band coding of images with low computational complexity
US5050119A (en) * 1989-10-06 1991-09-17 North American Philips Corporation Optimized sparse transversal filter

Also Published As

Publication number Publication date
EP0574400A1 (de) 1993-12-22
SE9004055D0 (sv) 1990-12-19
JP3223188B2 (ja) 2001-10-29
US5436859A (en) 1995-07-25
DK0574400T3 (da) 1997-05-05
SE9004055L (sv) 1992-06-20
CA2098711C (en) 2000-11-14
CA2098711A1 (en) 1992-06-20
AU9097391A (en) 1992-07-22
DE69123365D1 (de) 1997-01-09
WO1992011696A1 (en) 1992-07-09
DE69123365T2 (de) 1997-03-27
EP0574400B1 (de) 1996-11-27
AU652210B2 (en) 1994-08-18
ES2094899T3 (es) 1997-02-01
JPH06503450A (ja) 1994-04-14
ATE145772T1 (de) 1996-12-15

Similar Documents

Publication Publication Date Title
SE467680B (sv) Digital filterbank med minskad effektfoerbrukning
Lim et al. Frequency-response masking approach for digital filter design: Complexity reduction via masking filter factorization
CN101719769B (zh) 一种任意抽取滤波装置
EP1611679B1 (de) Auf- und abwärtsabtastratenwandler
EP0383326A2 (de) Digitaler Fir-Filter für Hochgeschwindigkeits-Kommunikationssysteme
CA2897807C (en) Fast fir filtering technique for multirate filters
Lim et al. On the synthesis of very sharp decimators and interpolators using the frequency-response masking technique
AU724637B2 (en) Decimation method and decimation filter
JP2540460B2 (ja) サンプリング速度変更およびフィルタリング回路
JP3860131B2 (ja) I/q復調装置及びそのi/q信号の生成方法
US7225214B2 (en) Digital filter realization
CN101277101B (zh) 具有滤波器的系统以及传输系统
Willson Desensitized half-band filters
Zhang et al. Closed-form design of maximally flat IIR half-band filters
Lee et al. A weighted least squares approach to the design of FIR filters synthesized using the modified frequency response masking structure
Lowenborg et al. Linear programming design of linear-phase FIR filters with variable bandwidth
CN102082559B (zh) 线性相位iir滤波器的一种实现方法
KR101265494B1 (ko) 오버 샘플링을 위한 다중 위상 필터 뱅크 시스템
US6025750A (en) Digital filter with long impulse response
KR101898534B1 (ko) 고주파 신호 필터링을 위한 디지털 체인 필터
Purcell Multirate filter design-an introduction
Dhabal et al. An improved compensated prefilter structure using frequency response masking technique for efficient fir filter design
Liu et al. Design of Recursive Filters Using Frequency-Response Masking Technique
Wei et al. Complexity reduction for frequency-response masking filters using serial masking
JP2008078991A (ja) 浮動アクティブインダクタ

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9004055-1

Format of ref document f/p: F

NUG Patent has lapsed