GB1509795A - Processing information signals - Google Patents

Processing information signals

Info

Publication number
GB1509795A
GB1509795A GB15404/75A GB1540475A GB1509795A GB 1509795 A GB1509795 A GB 1509795A GB 15404/75 A GB15404/75 A GB 15404/75A GB 1540475 A GB1540475 A GB 1540475A GB 1509795 A GB1509795 A GB 1509795A
Authority
GB
United Kingdom
Prior art keywords
summation
response
multiplier
delay
frequency
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.)
Expired
Application number
GB15404/75A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1509795A publication Critical patent/GB1509795A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03146—Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a recursive structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0233—Measures concerning the signal representation
    • H03H17/0236—Measures concerning the signal representation using codes
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2218/00—Indexing scheme relating to details of digital filters
    • H03H2218/10—Multiplier and or accumulator units

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Manipulation Of Pulses (AREA)
  • Analogue/Digital Conversion (AREA)
GB15404/75A 1974-04-18 1975-04-15 Processing information signals Expired GB1509795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7405238,A NL179619C (nl) 1974-04-18 1974-04-18 Digitale signaalverwerkingsinrichting voor het realiseren van een vooraf bepaalde overdrachtskarakteristiek.

Publications (1)

Publication Number Publication Date
GB1509795A true GB1509795A (en) 1978-05-04

Family

ID=19821178

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15404/75A Expired GB1509795A (en) 1974-04-18 1975-04-15 Processing information signals

Country Status (9)

Country Link
US (1) US3978323A (cg-RX-API-DMAC7.html)
JP (1) JPS5831770B2 (cg-RX-API-DMAC7.html)
BE (1) BE828057A (cg-RX-API-DMAC7.html)
CA (1) CA1025126A (cg-RX-API-DMAC7.html)
DE (1) DE2514875C3 (cg-RX-API-DMAC7.html)
FR (1) FR2268412B1 (cg-RX-API-DMAC7.html)
GB (1) GB1509795A (cg-RX-API-DMAC7.html)
NL (1) NL179619C (cg-RX-API-DMAC7.html)
SE (1) SE399346B (cg-RX-API-DMAC7.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178469C (nl) * 1976-07-06 1986-03-17 Philips Nv Niet-recursief discreet filter.
US4773034A (en) * 1985-05-09 1988-09-20 American Telephone And Telegraph Company Adaptive equalizer utilizing a plurality of multiplier-accumulator devices
JPH0233220A (ja) * 1988-07-23 1990-02-02 Ryoichi Mori スプライン関数発生回路
US7424503B2 (en) * 2003-10-01 2008-09-09 Agilent Technologies, Inc. Pipelined accumulators
BR112022007427A2 (pt) * 2019-11-21 2022-07-12 Huawei Tech Co Ltd Multiplicador e circuito operador

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1140318A (en) * 1966-06-10 1969-01-15 Pan American Petroleum Corp Recursion filter
JPS4935862B1 (cg-RX-API-DMAC7.html) * 1969-03-26 1974-09-26
US3706076A (en) * 1970-12-21 1972-12-12 Bell Telephone Labor Inc Programmable digital filter apparatus
US3736414A (en) * 1971-06-30 1973-05-29 Ibm Transversal filter equalizer for partial response channels

Also Published As

Publication number Publication date
SE399346B (sv) 1978-02-06
DE2514875C3 (de) 1980-02-07
NL7405238A (nl) 1975-10-21
AU8026475A (en) 1976-10-21
NL179619B (nl) 1986-05-01
CA1025126A (en) 1978-01-24
JPS5831770B2 (ja) 1983-07-08
SE7504284L (sv) 1975-10-20
BE828057A (fr) 1975-10-17
NL179619C (nl) 1987-05-18
DE2514875A1 (de) 1975-10-30
FR2268412B1 (cg-RX-API-DMAC7.html) 1978-07-13
JPS50140031A (cg-RX-API-DMAC7.html) 1975-11-10
FR2268412A1 (cg-RX-API-DMAC7.html) 1975-11-14
US3978323A (en) 1976-08-31
DE2514875B2 (de) 1979-06-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940415