DK155779A - Koordinatomformet til omdannelse af kartesiske vektorstoerrelser til polare vektorstoerrelser - Google Patents

Koordinatomformet til omdannelse af kartesiske vektorstoerrelser til polare vektorstoerrelser

Info

Publication number
DK155779A
DK155779A DK155779A DK155779A DK155779A DK 155779 A DK155779 A DK 155779A DK 155779 A DK155779 A DK 155779A DK 155779 A DK155779 A DK 155779A DK 155779 A DK155779 A DK 155779A
Authority
DK
Denmark
Prior art keywords
vector sizes
coordinatom
polar
sizes
converting cartesian
Prior art date
Application number
DK155779A
Other languages
English (en)
Inventor
F Blaschke
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of DK155779A publication Critical patent/DK155779A/da

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Feedback Control In General (AREA)
  • Control Of Ac Motors In General (AREA)
  • Manipulator (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Complex Calculations (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DK155779A 1978-04-17 1979-04-17 Koordinatomformet til omdannelse af kartesiske vektorstoerrelser til polare vektorstoerrelser DK155779A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2816661A DE2816661C3 (de) 1978-04-17 1978-04-17 Koordinatenwandler zur Umwandlung von kartesischen VektorgröBen in polare Vektorgrößen

Publications (1)

Publication Number Publication Date
DK155779A true DK155779A (da) 1979-10-18

Family

ID=6037217

Family Applications (1)

Application Number Title Priority Date Filing Date
DK155779A DK155779A (da) 1978-04-17 1979-04-17 Koordinatomformet til omdannelse af kartesiske vektorstoerrelser til polare vektorstoerrelser

Country Status (14)

Country Link
US (1) US4306296A (da)
JP (1) JPS6022392B2 (da)
AT (1) AT380578B (da)
BE (1) BE875583A (da)
CH (1) CH651682A5 (da)
DE (1) DE2816661C3 (da)
DK (1) DK155779A (da)
FR (1) FR2423826B1 (da)
GB (1) GB2019067B (da)
IN (1) IN151402B (da)
IT (1) IT1113858B (da)
LU (1) LU81152A1 (da)
NL (1) NL7902936A (da)
SE (1) SE441550B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4500972A (en) * 1979-10-05 1985-02-19 Dr.-Ing. Rudolf Hell Gmbh Apparatus for converting digital chrominance signals of a cartesian color coordinate system into digital color signals and saturation signals of a polar color coordinate system and a transformation circuit
DE3346291A1 (de) * 1983-12-21 1985-07-04 Siemens Ag Verfahren und vorrichtung zum schnellen ermitteln einer netzsynchronen referenzspannung fuer einen netzgefuehrten stromrichter nach einer netzstoerung
US4736436A (en) * 1984-04-13 1988-04-05 Fujitsu Limited Information extraction by mapping
US6064388A (en) * 1997-11-10 2000-05-16 Cognex Corporation Cartesian to polar coordinate transformation
US6320609B1 (en) 1998-07-10 2001-11-20 Nanometrics Incorporated System using a polar coordinate stage and continuous image rotation to compensate for stage rotation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763430A (en) * 1945-12-11 1956-09-18 John W Gray Rectangular to polar coordinate converter
US2634909A (en) * 1950-03-31 1953-04-14 Rca Corp Computing device
US2927734A (en) * 1954-12-30 1960-03-08 Rca Corp Computing system for electronic resolver
US2996251A (en) * 1955-10-12 1961-08-15 Gen Precision Inc Computer
US3371199A (en) * 1963-11-07 1968-02-27 Leeds & Northrup Co Polar coordinate converter
DE2012781C3 (de) * 1970-03-18 1974-05-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Erfassung von Bestimmungsgrößen eines ebenen Vektors
CH539980A (de) * 1971-09-09 1973-07-31 Siemens Ag Einrichtung zur Erzeugung zweier amplitudenstabilisierter, um 90º elektrisch gegeneinander versetzter, sinusförmiger und frequenzvariabler Wechselspannungen
US3737639A (en) * 1972-05-17 1973-06-05 J Fletcher Derivation of a tangent function using an integrated circuit four-quadrant multiplier

Also Published As

Publication number Publication date
JPS54140440A (en) 1979-10-31
FR2423826A1 (fr) 1979-11-16
SE441550B (sv) 1985-10-14
GB2019067B (en) 1982-10-27
CH651682A5 (de) 1985-09-30
AT380578B (de) 1986-06-10
DE2816661A1 (de) 1979-10-18
LU81152A1 (de) 1979-06-19
DE2816661B2 (de) 1980-02-21
GB2019067A (en) 1979-10-24
BE875583A (fr) 1979-07-31
NL7902936A (nl) 1979-10-19
FR2423826B1 (fr) 1986-03-21
SE7903182L (sv) 1979-10-18
IT7921762A0 (it) 1979-04-11
ATA279779A (de) 1985-10-15
DE2816661C3 (de) 1980-10-23
IT1113858B (it) 1986-01-27
JPS6022392B2 (ja) 1985-06-01
IN151402B (da) 1983-04-09
US4306296A (en) 1981-12-15

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment
PBP Patent lapsed