SE440300B - Forfarande for att i en samplad signal kompensera for trunkeringsfel samt anordning for utforande av forfarandet - Google Patents

Forfarande for att i en samplad signal kompensera for trunkeringsfel samt anordning for utforande av forfarandet

Info

Publication number
SE440300B
SE440300B SE8306483A SE8306483A SE440300B SE 440300 B SE440300 B SE 440300B SE 8306483 A SE8306483 A SE 8306483A SE 8306483 A SE8306483 A SE 8306483A SE 440300 B SE440300 B SE 440300B
Authority
SE
Sweden
Prior art keywords
signal
input
procedure
added
positive
Prior art date
Application number
SE8306483A
Other languages
English (en)
Swedish (sv)
Other versions
SE8306483L (sv
SE8306483D0 (sv
Inventor
G Eriksson
I Dahlqvist
Original Assignee
Ellemtel Utvecklings Ab
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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE8306483A priority Critical patent/SE440300B/sv
Publication of SE8306483D0 publication Critical patent/SE8306483D0/xx
Priority to IN826/DEL/84A priority patent/IN161619B/en
Priority to KR1019840006773A priority patent/KR900008410B1/ko
Priority to BR8407181A priority patent/BR8407181A/pt
Priority to AU36131/84A priority patent/AU569928B2/en
Priority to EP84904199A priority patent/EP0162076B1/en
Priority to DE8484904199T priority patent/DE3467275D1/de
Priority to AT84904199T priority patent/ATE30653T1/de
Priority to PCT/SE1984/000367 priority patent/WO1985002508A1/en
Priority to US06/755,379 priority patent/US4750146A/en
Priority to CA000467313A priority patent/CA1248603A/en
Priority to PT79474A priority patent/PT79474B/pt
Priority to MX203356A priority patent/MX156872A/es
Priority to GR80983A priority patent/GR80983B/el
Priority to IE2975/84A priority patent/IE55857B1/en
Priority to IT23695/84A priority patent/IT1177290B/it
Priority to YU197584A priority patent/YU45678B/sh
Priority to ES537892A priority patent/ES8601596A1/es
Publication of SE8306483L publication Critical patent/SE8306483L/
Priority to FI852458A priority patent/FI82795C/sv
Publication of SE440300B publication Critical patent/SE440300B/sv
Priority to DK335385A priority patent/DK162868C/da
Priority to NO85854118A priority patent/NO167348C/no
Priority to MYPI87000944A priority patent/MY100565A/en

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)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Complex Calculations (AREA)
  • Electronic Switches (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Error Detection And Correction (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Optical Communication System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
SE8306483A 1983-11-24 1983-11-24 Forfarande for att i en samplad signal kompensera for trunkeringsfel samt anordning for utforande av forfarandet SE440300B (sv)

Priority Applications (22)

Application Number Priority Date Filing Date Title
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
IN826/DEL/84A IN161619B (es) 1983-11-24 1984-10-25
KR1019840006773A KR900008410B1 (ko) 1983-11-24 1984-10-30 샘플 신호의 절단오차의 보상방법 및 장치
BR8407181A BR8407181A (pt) 1983-11-24 1984-10-31 Processo para compensar o erro de truncamento em um sinal amostrado e dispositivo para executar o processo
AU36131/84A AU569928B2 (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
EP84904199A EP0162076B1 (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
DE8484904199T DE3467275D1 (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
AT84904199T ATE30653T1 (de) 1983-11-24 1984-10-31 Kompensationsverfahren fuer den abstumpfungsfehler in einem bemusterten signal und eine vorrichtung zur durchfuehrung des verfahrens.
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
US06/755,379 US4750146A (en) 1983-11-24 1984-10-31 Method and apparatus for compensating for the truncation error in a filtered signal by adding the error to the positive part of the signal and subtracting the error from the negative part of the signal
PT79474A PT79474B (en) 1983-11-24 1984-11-08 A method to compensate for the truncation error in a sampled signal and device for carrying out the method
CA000467313A CA1248603A (en) 1983-11-24 1984-11-08 Method to compensate for the truncation error in a sampled signal and a device for carrying out the method
MX203356A MX156872A (es) 1983-11-24 1984-11-12 Mejoras en dispositivo para compensar el error en una senal digital con numero de terminado
GR80983A GR80983B (en) 1983-11-24 1984-11-20 Method to compensate for the truncation error in a sambled signal and a device for carrying out the method
IE2975/84A IE55857B1 (en) 1983-11-24 1984-11-21 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method
IT23695/84A IT1177290B (it) 1983-11-24 1984-11-22 Procedimento per compensare l'errore di troncamento di un segnale campionato e dispositivo per attuare detto procedimento
YU197584A YU45678B (sh) 1983-11-24 1984-11-22 Uredjaj za kompenziraje pogrešaka koje nastaju u digitalnom signalu
ES537892A ES8601596A1 (es) 1983-11-24 1984-11-23 Un metodo de compensacion del error que se presenta al ocurrir un truncamiento en un filtro digital, en una senal digital con un numero dado de bits
FI852458A FI82795C (sv) 1983-11-24 1985-06-20 Förfarande att i en samplad signal kompensera för trunkeringsfel jämte anordning för utförande av förfarandet
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
NO85854118A NO167348C (no) 1983-11-24 1985-10-16 Fremgangsmaate for aa kompensere for avkuttingsfeilen i et samplet signal, samt en anordning for aa utfoere fremgangsmaaten.
MYPI87000944A MY100565A (en) 1983-11-24 1987-07-04 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (3)

Publication Number Publication Date
SE8306483D0 SE8306483D0 (sv) 1983-11-24
SE8306483L SE8306483L (sv) 1985-05-25
SE440300B true SE440300B (sv) 1985-07-22

Family

ID=20353446

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (22)

Country Link
US (1) US4750146A (es)
EP (1) EP0162076B1 (es)
KR (1) KR900008410B1 (es)
AT (1) ATE30653T1 (es)
AU (1) AU569928B2 (es)
BR (1) BR8407181A (es)
CA (1) CA1248603A (es)
DE (1) DE3467275D1 (es)
DK (1) DK162868C (es)
ES (1) ES8601596A1 (es)
FI (1) FI82795C (es)
GR (1) GR80983B (es)
IE (1) IE55857B1 (es)
IN (1) IN161619B (es)
IT (1) IT1177290B (es)
MX (1) MX156872A (es)
MY (1) MY100565A (es)
NO (1) NO167348C (es)
PT (1) PT79474B (es)
SE (1) SE440300B (es)
WO (1) WO1985002508A1 (es)
YU (1) YU45678B (es)

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
KR850003641A (ko) 1985-06-20
ES537892A0 (es) 1985-10-16
KR900008410B1 (ko) 1990-11-20
GR80983B (en) 1984-11-29
FI852458A0 (fi) 1985-06-20
CA1248603A (en) 1989-01-10
EP0162076B1 (en) 1987-11-04
BR8407181A (pt) 1985-11-05
DK335385D0 (da) 1985-07-23
YU45678B (sh) 1992-07-20
MX156872A (es) 1988-10-06
IN161619B (es) 1988-01-02
DE3467275D1 (en) 1987-12-10
DK162868C (da) 1992-05-04
DK162868B (da) 1991-12-16
IT8423695A0 (it) 1984-11-22
NO167348C (no) 1991-10-23
ATE30653T1 (de) 1987-11-15
IE55857B1 (en) 1991-01-30
NO854118L (no) 1985-10-24
MY100565A (en) 1990-11-15
FI852458L (fi) 1985-06-20
PT79474A (en) 1984-12-01
NO167348B (no) 1991-07-15
ES8601596A1 (es) 1985-10-16
IE842975L (en) 1985-05-24
PT79474B (en) 1986-08-05
WO1985002508A1 (en) 1985-06-06
US4750146A (en) 1988-06-07
AU3613184A (en) 1985-06-13
DK335385A (da) 1985-07-23
SE8306483L (sv) 1985-05-25
FI82795B (fi) 1990-12-31
IT1177290B (it) 1987-08-26
YU197584A (en) 1987-10-31
EP0162076A1 (en) 1985-11-27
IT8423695A1 (it) 1986-05-22
FI82795C (sv) 1991-04-10
AU569928B2 (en) 1988-02-25
SE8306483D0 (sv) 1983-11-24

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