BE833467A - Filtre numerique interpolant equipe d'une memoire tampon d'entree - Google Patents

Filtre numerique interpolant equipe d'une memoire tampon d'entree

Info

Publication number
BE833467A
BE833467A BE160084A BE160084A BE833467A BE 833467 A BE833467 A BE 833467A BE 160084 A BE160084 A BE 160084A BE 160084 A BE160084 A BE 160084A BE 833467 A BE833467 A BE 833467A
Authority
BE
Belgium
Prior art keywords
interpolant
buffer memory
input buffer
digital filter
filter equipped
Prior art date
Application number
BE160084A
Other languages
English (en)
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 filed Critical
Publication of BE833467A publication Critical patent/BE833467A/fr

Links

Classifications

    • 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
    • H03H17/065—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 integer
    • H03H17/0657—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 integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Control Of Electric Motors In General (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Electrophonic Musical Instruments (AREA)
BE160084A 1974-09-16 1975-09-16 Filtre numerique interpolant equipe d'une memoire tampon d'entree BE833467A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7412225,A NL168669C (nl) 1974-09-16 1974-09-16 Interpolerend digitaal filter met ingangsbuffer.

Publications (1)

Publication Number Publication Date
BE833467A true BE833467A (fr) 1976-03-16

Family

ID=19822104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE160084A BE833467A (fr) 1974-09-16 1975-09-16 Filtre numerique interpolant equipe d'une memoire tampon d'entree

Country Status (11)

Country Link
US (1) US3997773A (fr)
JP (1) JPS5532252B2 (fr)
AU (1) AU496859B2 (fr)
BE (1) BE833467A (fr)
CA (1) CA1043427A (fr)
DE (1) DE2539532C3 (fr)
FR (1) FR2285024A1 (fr)
GB (1) GB1506009A (fr)
IT (1) IT1042539B (fr)
NL (1) NL168669C (fr)
SE (1) SE411005B (fr)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179620C (nl) * 1975-05-29 1986-10-01 Philips Nv Niet-recursief, interpolerend, digitaal filter.
NL175575C (nl) * 1976-05-28 1984-11-16 Philips Nv Filter- en demodulatie-inrichting.
NL178469C (nl) * 1976-07-06 1986-03-17 Philips Nv Niet-recursief discreet filter.
JPS5376726A (en) * 1976-12-20 1978-07-07 Toshiba Corp Synchronizing system digital filter
IT1156199B (it) * 1978-04-18 1987-01-28 Selenia Ind Elettroniche Perfezionamento nei circuiti si sintonia automatica per filtri controllati in tensione mediante controllo di fase digitale
NL7905332A (nl) * 1979-07-09 1981-01-13 Philips Nv Decimerend, lineair phase, digital fir filter.
DE3070437D1 (en) * 1980-06-18 1985-05-09 Ericsson Telefon Ab L M Subscriber line audio processing circuit apparatus
EP0052847B1 (fr) * 1980-11-26 1985-07-17 WILLI STUDER AG Fabrik für elektronische Apparate Procédé et circuit pour la conversion de la fréquence d'échantillonnage d'une suite d'échantillons en évitant la conversion en un signal continu
NL8202687A (nl) * 1982-07-05 1984-02-01 Philips Nv Decimerende filterinrichting.
ATE41840T1 (de) * 1983-10-06 1989-04-15 Studer Willi Ag Verfahren und vorrichtung zur umsetzung einer eingangsabtastfolge in eine ausgangsabtastfolge.
NL8400073A (nl) * 1984-01-10 1985-08-01 Philips Nv Interpolerende filterinrichting met niet-rationale verhouding tussen de ingangs- en uitgangsbemonsterfrequentie.
GB8421378D0 (en) * 1984-08-23 1984-09-26 British Broadcasting Corp Variable speed replay
US4691293A (en) * 1984-12-28 1987-09-01 Ford Aerospace & Communications Corporation High frequency, wide range FIR filter
FR2579390A1 (fr) * 1985-03-22 1986-09-26 Enertec Generateur numerique de forme d'onde et procede associe
GB2214374A (en) * 1988-01-06 1989-08-31 Philips Electronic Associated Ssb signal generator
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
US5023825A (en) * 1989-07-14 1991-06-11 Tektronix, Inc. Coefficient reduction in a low ratio sampling rate converter
ES2145737T5 (es) * 1989-09-01 2007-03-01 Motorola, Inc. Codificador digital de voz con predictor a largo plazo mejorado por resolucion de submuestreos.
US5134406A (en) * 1989-10-13 1992-07-28 Cincinnati Microwave, Inc. Long range police radar warning receiver with multiple array averaging
US5079553A (en) * 1989-10-13 1992-01-07 Cincinnati Microwave, Inc. Long range police radar warning receiver
US4954828A (en) * 1989-10-13 1990-09-04 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5049885A (en) * 1989-10-13 1991-09-17 Cincinnati Microwave, Inc. Long range police radar warning receiver
US5068813A (en) * 1989-11-07 1991-11-26 Mts Systems Corporation Phased digital filtering in multichannel environment
US5342990A (en) * 1990-01-05 1994-08-30 E-Mu Systems, Inc. Digital sampling instrument employing cache-memory
JPH10294646A (ja) * 1990-02-16 1998-11-04 Sony Corp サンプリングレート変換装置
US5818870A (en) * 1990-08-28 1998-10-06 Canon Kabushiki Kaisha Digital communication device
US5212659A (en) * 1991-10-08 1993-05-18 Crystal Semiconductor Low precision finite impulse response filter for digital interpolation
US5825805A (en) * 1991-10-29 1998-10-20 Canon Spread spectrum communication system
JP3283053B2 (ja) * 1992-01-14 2002-05-20 ジーイー横河メディカルシステム株式会社 デジタル移相装置及び超音波診断装置
JP3544998B2 (ja) * 1992-06-22 2004-07-21 ソニー株式会社 レートコンバータ
US5475628A (en) * 1992-09-30 1995-12-12 Analog Devices, Inc. Asynchronous digital sample rate converter
US5345426A (en) * 1993-05-12 1994-09-06 Hewlett-Packard Company Delay interpolator for digital phased array ultrasound beamformers
US5600582A (en) * 1994-04-05 1997-02-04 Texas Instruments Incorporated Programmable horizontal line filter implemented with synchronous vector processor
US5541864A (en) * 1994-04-26 1996-07-30 Crystal Semiconductor Arithmetic-free digital interpolation filter architecture
US5638010A (en) * 1995-06-07 1997-06-10 Analog Devices, Inc. Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters
TW579498B (en) * 2001-12-19 2004-03-11 Via Tech Inc Method for data recovery with lower sampling frequency and related apparatus
US8271568B2 (en) * 2008-08-29 2012-09-18 Infineon Technologies Ag Digital filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633014A (en) * 1970-03-13 1972-01-04 Bell Telephone Labor Inc Digital equalizer in which tap adjusting signals are derived by modifying the signal code format
US3633105A (en) * 1970-04-01 1972-01-04 Gte Automatic Electric Lab Inc Digital adaptive equalizer system
US3651316A (en) * 1970-10-09 1972-03-21 North American Rockwell Automatic transversal equalizer system
FR2129290A5 (fr) * 1971-03-17 1972-10-27 Ibm
US3883727A (en) * 1972-07-05 1975-05-13 Richard L Stuart Multilevel digital filter

Also Published As

Publication number Publication date
US3997773A (en) 1976-12-14
JPS5532252B2 (fr) 1980-08-23
CA1043427A (fr) 1978-11-28
FR2285024B1 (fr) 1981-02-06
NL7412225A (nl) 1976-03-18
SE411005B (sv) 1979-11-19
SE7510162L (sv) 1976-03-17
DE2539532B2 (de) 1978-02-23
AU8480875A (en) 1977-03-24
NL168669B (nl) 1981-11-16
IT1042539B (it) 1980-01-30
AU496859B2 (en) 1978-11-02
JPS5155650A (fr) 1976-05-15
DE2539532A1 (de) 1976-04-01
DE2539532C3 (de) 1978-10-05
GB1506009A (en) 1978-04-05
NL168669C (nl) 1982-04-16
FR2285024A1 (fr) 1976-04-09

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS'GLOEILAMPENFABRIEKEN

Effective date: 19880930