FR2544106A1 - Oscillateur numerique delivrant des signaux complexes - Google Patents

Oscillateur numerique delivrant des signaux complexes Download PDF

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Publication number
FR2544106A1
FR2544106A1 FR8405565A FR8405565A FR2544106A1 FR 2544106 A1 FR2544106 A1 FR 2544106A1 FR 8405565 A FR8405565 A FR 8405565A FR 8405565 A FR8405565 A FR 8405565A FR 2544106 A1 FR2544106 A1 FR 2544106A1
Authority
FR
France
Prior art keywords
cos
sin
value
values
mod
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.)
Pending
Application number
FR8405565A
Other languages
English (en)
French (fr)
Inventor
Rolf Erlenmayer
Karl-Robert Fink
Friedrich Holzel
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2544106A1 publication Critical patent/FR2544106A1/fr
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; 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 OR CALCULATING; 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)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Complex Calculations (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8405565A 1983-04-09 1984-04-09 Oscillateur numerique delivrant des signaux complexes Pending FR2544106A1 (fr)

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 (1)

Publication Number Publication Date
FR2544106A1 true FR2544106A1 (fr) 1984-10-12

Family

ID=6195848

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8405565A Pending FR2544106A1 (fr) 1983-04-09 1984-04-09 Oscillateur numerique delivrant des signaux complexes

Country Status (3)

Country Link
DE (1) DE3312796A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2544106A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2138606B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259514A1 (de) * 1986-09-11 1988-03-16 Deutsche ITT Industries GmbH Digitalschaltung zur gleichzeitigen Erzeugung von digitalen Sinus- und Cosinusfunktionswerten
FR2632088A1 (fr) * 1988-05-31 1989-12-01 Gen Electric Multiplieur de nombres complexes
EP0276856A3 (en) * 1987-01-28 1991-03-13 Nec Corporation Trigonometric function preprocessing system
EP0395423A3 (en) * 1989-04-27 1991-06-26 Hewlett-Packard Company Signal generator method and apparatus

Families Citing this family (2)

* 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
DE4001266C2 (de) * 1990-01-18 1994-10-20 Abb Patent Gmbh Verfahren und Sendeeinrichtung zur Übertragung digitaler Informationen über Stromversorgungsnetze

Citations (2)

* 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
DE3119448A1 (de) * 1981-05-15 1982-12-09 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur erzeugung eines cosinusfoermigen signals und eines sinusfoermigen signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3007907A1 (de) * 1980-03-01 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Digitaler empfaenger

Patent Citations (2)

* 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
DE3119448A1 (de) * 1981-05-15 1982-12-09 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur erzeugung eines cosinusfoermigen signals und eines sinusfoermigen signals

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
COMPUTER DESIGN, vol. 14,no. 7, juillet 1975, pages 100-102, Concord, US; J.D.FOGARTY: "Digital synthesizers produce wide frequency range from signle source" *
R.C.A. REVIEW, vol. 30, no. 2, juin 1969, pages 209-247, Princeton, US; R.J.LINHARDT et al.: "Digit-by-digit transcendental-function computation" *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0259514A1 (de) * 1986-09-11 1988-03-16 Deutsche ITT Industries GmbH Digitalschaltung zur gleichzeitigen Erzeugung von digitalen Sinus- und Cosinusfunktionswerten
US4827442A (en) * 1986-09-11 1989-05-02 Deutsche Itt Industries Gmbh Digital circuit for simultaneously generating digital sine- and cosine-function values
EP0276856A3 (en) * 1987-01-28 1991-03-13 Nec Corporation Trigonometric function preprocessing system
FR2632088A1 (fr) * 1988-05-31 1989-12-01 Gen Electric Multiplieur de nombres complexes
EP0395423A3 (en) * 1989-04-27 1991-06-26 Hewlett-Packard Company Signal generator method and apparatus

Also Published As

Publication number Publication date
GB2138606A (en) 1984-10-24
DE3312796A1 (de) 1984-10-11
DE3312796C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-20
GB2138606B (en) 1986-08-13
GB8408763D0 (en) 1984-05-16

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