DK335385A - Fremgangsmaade til i et eksempleret signal at kompensere for afskaeringsfejl samt apparat til udoevelse af fremgangsmaaden - Google Patents

Fremgangsmaade til i et eksempleret signal at kompensere for afskaeringsfejl samt apparat til udoevelse af fremgangsmaaden Download PDF

Info

Publication number
DK335385A
DK335385A DK335385A DK335385A DK335385A DK 335385 A DK335385 A DK 335385A DK 335385 A DK335385 A DK 335385A DK 335385 A DK335385 A DK 335385A DK 335385 A DK335385 A DK 335385A
Authority
DK
Denmark
Prior art keywords
procedure
exercising
compensate
signal
example signal
Prior art date
Application number
DK335385A
Other languages
English (en)
Other versions
DK162868B (da
DK335385D0 (da
DK162868C (da
Inventor
Ingemar Erik Dalqvist
Gunnar Anders Eriksson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of DK335385D0 publication Critical patent/DK335385D0/da
Publication of DK335385A publication Critical patent/DK335385A/da
Publication of DK162868B publication Critical patent/DK162868B/da
Application granted granted Critical
Publication of DK162868C publication Critical patent/DK162868C/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/06—Arrangements for sorting, selecting, merging, or comparing data on individual record carriers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0219—Compensation of undesirable effects, e.g. quantisation noise, overflow
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • 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
    • H03H17/0461—Quantisation; Rounding; Truncation; Overflow oscillations or limit cycles eliminating measures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding
    • G06F7/49984—Rounding away from zero

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Electronic Switches (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Optical Communication System (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DK335385A 1983-11-24 1985-07-23 Fremgangsmaade til i et eksempleret signal at kompensere for afskaeringsfejl samt apparat til udoevelse af fremgangsmaaden DK162868C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8306483 1983-11-24
SE8306483A SE440300B (sv) 1983-11-24 1983-11-24 Forfarande for att i en samplad signal kompensera for trunkeringsfel samt anordning for utforande av forfarandet
SE8400367 1984-01-25
PCT/SE1984/000367 WO1985002508A1 (en) 1983-11-24 1984-10-31 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method

Publications (4)

Publication Number Publication Date
DK335385D0 DK335385D0 (da) 1985-07-23
DK335385A true DK335385A (da) 1985-07-23
DK162868B DK162868B (da) 1991-12-16
DK162868C DK162868C (da) 1992-05-04

Family

ID=20353446

Family Applications (1)

Application Number Title Priority Date Filing Date
DK335385A DK162868C (da) 1983-11-24 1985-07-23 Fremgangsmaade til i et eksempleret signal at kompensere for afskaeringsfejl samt apparat til udoevelse af fremgangsmaaden

Country Status (22)

Country Link
US (1) US4750146A (da)
EP (1) EP0162076B1 (da)
KR (1) KR900008410B1 (da)
AT (1) ATE30653T1 (da)
AU (1) AU569928B2 (da)
BR (1) BR8407181A (da)
CA (1) CA1248603A (da)
DE (1) DE3467275D1 (da)
DK (1) DK162868C (da)
ES (1) ES537892A0 (da)
FI (1) FI82795C (da)
GR (1) GR80983B (da)
IE (1) IE55857B1 (da)
IN (1) IN161619B (da)
IT (1) IT1177290B (da)
MX (1) MX156872A (da)
MY (1) MY100565A (da)
NO (1) NO167348C (da)
PT (1) PT79474B (da)
SE (1) SE440300B (da)
WO (1) WO1985002508A1 (da)
YU (1) YU45678B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01169627A (ja) * 1987-12-25 1989-07-04 Toshiba Corp 高精度加算装置
JP2957183B2 (ja) * 1988-07-29 1999-10-04 日本電気株式会社 巡回型ディジタルフィルタ
JP3199371B2 (ja) * 1990-07-30 2001-08-20 松下電器産業株式会社 丸め装置
JPH04332215A (ja) * 1991-05-08 1992-11-19 Matsushita Electric Ind Co Ltd オフセット除去装置
JP3103914B2 (ja) * 1992-08-21 2000-10-30 ソニー株式会社 データの丸め処理回路およびデータの復元回路
US5493343A (en) * 1994-12-28 1996-02-20 Thomson Consumer Electronics, Inc. Compensation for truncation error in a digital video signal decoder
US5696710A (en) * 1995-12-29 1997-12-09 Thomson Consumer Electronics, Inc. Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal
US6240431B1 (en) * 1998-10-31 2001-05-29 Hewlett-Packard Company Decompression of limited range floating point numbers
US6253222B1 (en) * 1998-10-31 2001-06-26 Hewlett-Packard Company Compression of limited range floating point numbers
US6401107B1 (en) * 1999-11-03 2002-06-04 Motorola, Inc. Method and processor for reducing computational error in a processor having no rounding support
US9450601B1 (en) 2015-04-02 2016-09-20 Microsoft Technology Licensing, Llc Continuous rounding of differing bit lengths

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891837A (en) * 1972-07-03 1975-06-24 Drew E Sunstein Digital linearity and bias error compensating by adding an extra bit
US4195350A (en) * 1978-06-19 1980-03-25 Cbs Inc. Method and apparatus for eliminating deadband in digital recursive filters
US4282581A (en) * 1979-10-15 1981-08-04 Sperry Corporation Automatic overflow/imminent overflow detector
US4280196A (en) * 1979-11-14 1981-07-21 Hewlett-Packard Company Correction of zero drift, gain drift, and distortion errors in analog storage devices
US4589084A (en) * 1983-05-16 1986-05-13 Rca Corporation Apparatus for symmetrically truncating two's complement binary signals as for use with interleaved quadrature signals

Also Published As

Publication number Publication date
MX156872A (es) 1988-10-06
KR900008410B1 (ko) 1990-11-20
CA1248603A (en) 1989-01-10
GR80983B (en) 1984-11-29
NO167348C (no) 1991-10-23
EP0162076A1 (en) 1985-11-27
YU45678B (sh) 1992-07-20
FI82795B (fi) 1990-12-31
DK162868B (da) 1991-12-16
NO854118L (no) 1985-10-24
IN161619B (da) 1988-01-02
ES8601596A1 (es) 1985-10-16
ES537892A0 (es) 1985-10-16
US4750146A (en) 1988-06-07
DK335385D0 (da) 1985-07-23
IE55857B1 (en) 1991-01-30
AU569928B2 (en) 1988-02-25
NO167348B (no) 1991-07-15
SE8306483L (sv) 1985-05-25
WO1985002508A1 (en) 1985-06-06
FI852458A0 (fi) 1985-06-20
DK162868C (da) 1992-05-04
EP0162076B1 (en) 1987-11-04
YU197584A (en) 1987-10-31
PT79474A (en) 1984-12-01
MY100565A (en) 1990-11-15
IE842975L (en) 1985-05-24
IT8423695A1 (it) 1986-05-22
ATE30653T1 (de) 1987-11-15
IT1177290B (it) 1987-08-26
FI82795C (sv) 1991-04-10
PT79474B (en) 1986-08-05
SE8306483D0 (sv) 1983-11-24
AU3613184A (en) 1985-06-13
BR8407181A (pt) 1985-11-05
KR850003641A (ko) 1985-06-20
FI852458L (fi) 1985-06-20
IT8423695A0 (it) 1984-11-22
SE440300B (sv) 1985-07-22
DE3467275D1 (en) 1987-12-10

Similar Documents

Publication Publication Date Title
AU528546B2 (en) Method for an efficient error detection and correction system
DE3160041D1 (en) Method for high contrast development of photographic elements
DE3564041D1 (en) Method and apparatus for copying photographic originals
AU546373B2 (en) Digital signal error correction
AU536372B2 (en) Photosensitive film processing apparatus
AU7393181A (en) Digital signal error correction
GB2110499B (en) Method and apparatus for detecting focussing error signal of objective lens
DE3174490D1 (en) Method of and apparatus for processing negative photoresist
DK162868C (da) Fremgangsmaade til i et eksempleret signal at kompensere for afskaeringsfejl samt apparat til udoevelse af fremgangsmaaden
FR2546652B1 (fr) Banc d'essai pour chaines electroacoustiques et notamment pour appareils de correction auditive
IT8423803A1 (it) Apparato per la correzione di errori in transizioni di segnali cromatici
AU1958583A (en) Electrophotographic image recording method and apparatus
JPS5755517A (en) Circuit for removing time error in digital voice disc such as when signal with clock is reproduced
AU553634B2 (en) Focus indicator for document scanner
DK405688A (da) Apparat til fremstilling af fotografiske kopier
DK420683A (da) Apparat til afsluttende behandling af kopier
GB2265529A (en) A method and arrangement for use in the elimination of echoes in a subscriber line circuit
GB2136586B (en) Photographic film copying apparatus
EP0320710A3 (en) Method and measuring apparatus for determining the correct exposure time when copying photographically
JPS57204533A (en) Photographic copying method and apparatus
JPS56154821A (en) Data separating circuit
JPS56168617A (en) Wide angle retrofocus lens for compensating error of image
DK4585A (da) Apparat til automatisk fremkaldelse af fotografiske billeder
RO88717A2 (ro) Aparat pentru testarea filtrarii suspensiilor pe un strat de adjuvanti
JPS5438127A (en) Detecting method for developing-sleeve gap of copier

Legal Events

Date Code Title Description
PBP Patent lapsed