NL175125C - Frequentie-bemonsterend, digitaal filter. - Google Patents

Frequentie-bemonsterend, digitaal filter.

Info

Publication number
NL175125C
NL175125C NLAANVRAGE7610083,A NL7610083A NL175125C NL 175125 C NL175125 C NL 175125C NL 7610083 A NL7610083 A NL 7610083A NL 175125 C NL175125 C NL 175125C
Authority
NL
Netherlands
Prior art keywords
sampling
frequency
digital filter
digital
filter
Prior art date
Application number
NLAANVRAGE7610083,A
Other languages
English (en)
Dutch (nl)
Other versions
NL175125B (nl
NL7610083A (nl
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7610083A publication Critical patent/NL7610083A/xx
Publication of NL175125B publication Critical patent/NL175125B/xx
Application granted granted Critical
Publication of NL175125C publication Critical patent/NL175125C/xx

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
    • H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
    • H03H17/0213—Frequency domain filters using Fourier transforms
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Networks Using Active Elements (AREA)
  • Processing Of Color Television Signals (AREA)
NLAANVRAGE7610083,A 1975-09-12 1976-09-10 Frequentie-bemonsterend, digitaal filter. NL175125C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50109989A JPS5234647A (en) 1975-09-12 1975-09-12 Frequency sampling filter

Publications (3)

Publication Number Publication Date
NL7610083A NL7610083A (nl) 1977-03-15
NL175125B NL175125B (nl) 1984-04-16
NL175125C true NL175125C (nl) 1984-09-17

Family

ID=14524254

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7610083,A NL175125C (nl) 1975-09-12 1976-09-10 Frequentie-bemonsterend, digitaal filter.

Country Status (3)

Country Link
US (1) US4101853A (cs)
JP (1) JPS5234647A (cs)
NL (1) NL175125C (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5733821A (en) * 1980-08-06 1982-02-24 Matsushita Electric Ind Co Ltd Digital equalizer
DE3118473C2 (de) * 1981-05-09 1987-02-05 Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Aufbereitung elektrischer Signale mit einer digitalen Filteranordnung
DE3627679A1 (de) * 1986-08-14 1988-02-25 Blaupunkt Werke Gmbh Filteranordnung
FR2617350A1 (fr) * 1987-06-26 1988-12-30 Alsthom Cgee Procede de realisation de filtres adaptes programmables, filtres et bancs de filtres correspondants
DE3744187A1 (de) * 1987-12-24 1989-07-13 Ant Nachrichtentech Einstellbares filter
US6225928B1 (en) * 1999-03-10 2001-05-01 Cirrus Logic Inc. Complex bandpass modulator and method for analog-to-digital converters
US7839953B2 (en) * 2006-05-25 2010-11-23 Kabushiki Kaisha Toshiba Transmission signal generating unit and radar transmission device using the same
CN109151672B (zh) * 2018-09-19 2022-08-05 西安交通大学 基于阵列麦克风的声源跟踪系统及其控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716733A (en) * 1950-05-10 1955-08-30 Exxon Research Engineering Co Variable bandwidth band-pass filter
US3026475A (en) * 1958-01-13 1962-03-20 Gen Electric Frequency scanning filter arrangement
US3135932A (en) * 1959-08-14 1964-06-02 Bell Telephone Labor Inc Signal delay system
US3336539A (en) * 1965-04-15 1967-08-15 Giannini Scient Corp Variable equalizer system having a plurality of parallel connected tuned circuits
US3568107A (en) * 1969-09-09 1971-03-02 Ronald D Haggarty Method and apparatus for effecting tapped delay line synthesis of large time bandwidth filters
US3657669A (en) * 1970-09-02 1972-04-18 Gte Laboratories Inc Frequency domain adaptive equalizer
US3858240A (en) * 1971-01-11 1974-12-31 Communications Satellite Corp Reduced rate sampling process in pulse code modulation of analog signals

Also Published As

Publication number Publication date
JPS5234647A (en) 1977-03-16
NL175125B (nl) 1984-04-16
NL7610083A (nl) 1977-03-15
US4101853A (en) 1978-07-18
JPS557728B2 (cs) 1980-02-28

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee