GB2125246A - Digital filter - Google Patents

Digital filter Download PDF

Info

Publication number
GB2125246A
GB2125246A GB08320793A GB8320793A GB2125246A GB 2125246 A GB2125246 A GB 2125246A GB 08320793 A GB08320793 A GB 08320793A GB 8320793 A GB8320793 A GB 8320793A GB 2125246 A GB2125246 A GB 2125246A
Authority
GB
United Kingdom
Prior art keywords
samples
sampled data
register
output
weighting
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB08320793A
Other languages
English (en)
Other versions
GB8320793D0 (en
Inventor
Henry Garton Lewis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of GB8320793D0 publication Critical patent/GB8320793D0/en
Publication of GB2125246A publication Critical patent/GB2125246A/en
Withdrawn legal-status Critical Current

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
    • 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
    • H03H17/0664—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 lower than the input sampling frequency, i.e. decimation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Processing Of Color Television Signals (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
GB08320793A 1982-08-04 1983-08-02 Digital filter Withdrawn GB2125246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40517382A 1982-08-04 1982-08-04

Publications (2)

Publication Number Publication Date
GB8320793D0 GB8320793D0 (en) 1983-09-01
GB2125246A true GB2125246A (en) 1984-02-29

Family

ID=23602594

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08320793A Withdrawn GB2125246A (en) 1982-08-04 1983-08-02 Digital filter

Country Status (8)

Country Link
JP (1) JPS59103418A (ja)
KR (1) KR840006105A (ja)
AU (1) AU1739283A (ja)
DE (1) DE3328018A1 (ja)
ES (1) ES524522A0 (ja)
FR (1) FR2532131A1 (ja)
GB (1) GB2125246A (ja)
IT (1) IT1170186B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2585203A1 (fr) * 1985-07-17 1987-01-23 Rca Corp Systeme de reduction de la frequence d'echantillons numeriques
US4794556A (en) * 1984-09-19 1988-12-27 Massachusetts Institute Of Technology Method and apparatus for sampling in-phase and quadrature components
US4992856A (en) * 1986-09-19 1991-02-12 Vistek Electronics Limited Color television decoder for separating chrominance signals from a color signal

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3539172A1 (de) * 1985-11-05 1987-05-21 Philips Patentverwaltung Digitales tiefpassfilter
JPS62210716A (ja) * 1986-03-12 1987-09-16 Nec Corp 時分割デイジタルフイルタ
CN114584109B (zh) * 2022-03-15 2023-03-10 苏州赛迈测控技术有限公司 一种对高速串行接口传输的并行信号进行实时滤波的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794556A (en) * 1984-09-19 1988-12-27 Massachusetts Institute Of Technology Method and apparatus for sampling in-phase and quadrature components
FR2585203A1 (fr) * 1985-07-17 1987-01-23 Rca Corp Systeme de reduction de la frequence d'echantillons numeriques
US4992856A (en) * 1986-09-19 1991-02-12 Vistek Electronics Limited Color television decoder for separating chrominance signals from a color signal

Also Published As

Publication number Publication date
ES8500527A1 (es) 1984-10-01
AU1739283A (en) 1984-02-09
IT8322317A0 (it) 1983-07-28
DE3328018A1 (de) 1984-02-09
ES524522A0 (es) 1984-10-01
JPS59103418A (ja) 1984-06-14
KR840006105A (ko) 1984-11-21
IT8322317A1 (it) 1985-01-28
IT1170186B (it) 1987-06-03
FR2532131A1 (fr) 1984-02-24
GB8320793D0 (en) 1983-09-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)