DE3312796C2 - - Google Patents

Info

Publication number
DE3312796C2
DE3312796C2 DE19833312796 DE3312796A DE3312796C2 DE 3312796 C2 DE3312796 C2 DE 3312796C2 DE 19833312796 DE19833312796 DE 19833312796 DE 3312796 A DE3312796 A DE 3312796A DE 3312796 C2 DE3312796 C2 DE 3312796C2
Authority
DE
Germany
Prior art keywords
sin
cos
value
stage
values
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 - Lifetime
Application number
DE19833312796
Other languages
German (de)
English (en)
Other versions
DE3312796A1 (de
Inventor
Rolf Dipl.-Ing. 7900 Ulm De Erlenmayer
Karl-Robert Dipl.-Math. 7340 Geislingen De Fink
Friedrich Dipl.-Ing. 7900 Ulm De Hoelzel
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.)
Telefunken Systemtechnik AG
Original Assignee
Telefunken Systemtechnik AG
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 Telefunken Systemtechnik AG filed Critical Telefunken Systemtechnik AG
Priority to DE19833312796 priority Critical patent/DE3312796A1/de
Priority to GB08408763A priority patent/GB2138606B/en
Priority to FR8405565A priority patent/FR2544106A1/fr
Publication of DE3312796A1 publication Critical patent/DE3312796A1/de
Application granted granted Critical
Publication of DE3312796C2 publication Critical patent/DE3312796C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02Digital function generators
    • G06F1/03Digital function generators working, at least partly, by table look-up
    • G06F1/035Reduction of table size
    • G06F1/0353Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48Methods 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
    • G06F7/544Methods 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 for evaluating functions by calculation
    • G06F7/5446Methods 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 for evaluating functions by calculation using crossaddition algorithms, e.g. CORDIC

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Complex Calculations (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE19833312796 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale Granted DE3312796A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19833312796 DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale
GB08408763A GB2138606B (en) 1983-04-09 1984-04-05 Digital oscillator for generation of complex signals
FR8405565A FR2544106A1 (fr) 1983-04-09 1984-04-09 Oscillateur numerique delivrant des signaux complexes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833312796 DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale

Publications (2)

Publication Number Publication Date
DE3312796A1 DE3312796A1 (de) 1984-10-11
DE3312796C2 true DE3312796C2 (fr) 1991-06-20

Family

ID=6195848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833312796 Granted DE3312796A1 (de) 1983-04-09 1983-04-09 Digitaler oszillator zur erzeugung komplexer signale

Country Status (3)

Country Link
DE (1) DE3312796A1 (fr)
FR (1) FR2544106A1 (fr)
GB (1) GB2138606B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399236B (de) * 1986-02-03 1995-04-25 Siemens Ag Oesterreich Digitaler sinusgenerator
EP0259514A1 (fr) * 1986-09-11 1988-03-16 Deutsche ITT Industries GmbH Circuit numérique pour la génération simultanée de valeurs numériques de sinus et de cosinus
JPS63186329A (ja) * 1987-01-28 1988-08-01 Nec Corp 三角関数前処理装置
US4896287A (en) * 1988-05-31 1990-01-23 General Electric Company Cordic complex multiplier
US5001660A (en) * 1989-04-27 1991-03-19 Hewlett-Packard Company Waveform generation method using stored complex data
DE4001266C2 (de) * 1990-01-18 1994-10-20 Abb Patent Gmbh Verfahren und Sendeeinrichtung zur Übertragung digitaler Informationen über Stromversorgungsnetze

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1409849A (fr) * 1964-07-21 1965-09-03 Nouvelles Tech Radioelectrique Dispositif pour déterminer les valeurs analogiques des lignes trigonométriques d'un angle à partir de sa valeur digitale
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger
DE3119448C2 (de) * 1981-05-15 1984-10-11 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Erzeugung eines cosinusförmigen Signals und eines sinusförmigen Signals

Also Published As

Publication number Publication date
FR2544106A1 (fr) 1984-10-12
DE3312796A1 (de) 1984-10-11
GB2138606B (en) 1986-08-13
GB2138606A (en) 1984-10-24
GB8408763D0 (en) 1984-05-16

Similar Documents

Publication Publication Date Title
DE3856045T2 (de) Hochauflösungsumwandlung von phase zur sinusamplitude
DE2246968C2 (de) Einrichtung zur Multiplikation zweier Gleitkommazahlen
DE69130510T2 (de) Arithmetisches Gerät zur Berechnung von transzendenten Elementarfunktionen
DE3650335T2 (de) Rechenverfahren und -gerät für endlichfeldmultiplikation.
DE3485792T2 (de) Digitale signalverarbeitungseinrichtungen.
DE2927713C2 (fr)
DE1956209C3 (de) Multipliziervorrichtung
DE19758079A1 (de) Verfahren und Vorrichtung zur Galoisfeld-Multiplikation
DE69130623T2 (de) Dividierer mit hoher Grundzahl
DE2729912C2 (de) Anordnung zum Erzeugen digitaler Ausgangssignalwerte
DE2628471B2 (de) Koordinaten-Transformationsschaltung
DE69425565T2 (de) Verfahren und vorrichtung in einem transponierten digitalen fir-filter zur multiplikation eines binären eingangssignals mit filterkoeffizienten und verfahren zum entwurf eines digitalen transponierten filters
DE3312796C2 (fr)
DE69808362T2 (de) Multiplizierverfahren und Multiplizierschaltung
DE1499281B1 (de) Rechenmaschine fuer logarithmische Rechnungen
DE2612750A1 (de) Multipliziereinrichtung
DE69032358T2 (de) Datenverarbeitungssystem für Audiosignale
DE69228400T2 (de) Vorprozessor für Dividierer unter Verwendung eines Divisionssystems mit hoher Grundzahl
DE3880217T2 (de) Verfahren und geraet zur digitalen synthese eines taktsignals.
DE3340362C2 (fr)
DE3201088C2 (fr)
DE3740130C1 (de) Sinusgenerator
DE2536974C2 (de) Unteranordnung für einen Digital-Differentialanalysator
DE2435873C2 (de) Einrichtung eines TACAN-Navigationssystems
EP0629943B1 (fr) Multiplieur pour nombres réels et complexes

Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TELEFUNKEN SYSTEMTECHNIK GMBH, 7900 ULM, DE

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition