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polar curves

German translation: Polardiagramm

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English term or phrase:	polar curves
German translation:	Polardiagramm
Entered by:	Bernd Runge

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07:38 Sep 26, 2011

English to German translations [PRO]
Tech/Engineering - Electronics / Elect Eng / Energy Efficient Lighting

English term or phrase: polar curves

Please Note: The distribution graphics are for guidance only. For an accurate representation please use the polar curves above.

Wie kann man "polar curves" uebersetzen? Vielen Dank!

SimStadl

Polardiagramm

Explanation:
... obwohl das auch eine Lichtstärkeverteilungskurve darstellt.
http://www.triopan.ch/_lccms_/_00322/Triopan-ies-Dateien.htm...

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Bernd Runge
Germany
Local time: 14:47

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Summary of answers provided

3 +3

Polardiagramm

Bernd Runge

Kurvendiagramm in Polarkoordinaten

Johannes Gleim

Summary of reference entries provided

Polarkoordinaten

Sabine Mertens

Polarkurven

Konrad Schultz

Answers

36 mins confidence:

peer agreement (net): +3

Polardiagramm

Explanation:
... obwohl das auch eine Lichtstärkeverteilungskurve darstellt.
http://www.triopan.ch/_lccms_/_00322/Triopan-ies-Dateien.htm...

Bernd Runge
Germany
Local time: 14:47
Specializes in field
Native speaker of:

German
PRO pts in category: 335

Grading comment

Selected automatically based on peer agreement.

10 hrs confidence:

Kurvendiagramm in Polarkoordinaten

Explanation:
Polar curves are plane curves in that are expressed in polar coordinates .

Polar Curves
Curves commonly written with polar equations include cardioids, lemniscates, limaçons, rose curves, and spirals.

http://www.mathwords.com/p/polar_curves.htm

Area with Polar Coordinates
In this section we are going to look at areas enclosed by polar curves. Note as well that we said “enclosed by” instead of “under” as we typically have in these problems. These problems work a little differently in polar coordinates.
http://tutorial.math.lamar.edu/Classes/CalcII/PolarArea.aspx

Polar coordinate system
:
Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 degrees, or (3,60°). In blue, the point (4,210°).
In mathematics, the polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a fixed point and an angle from a fixed direction.
The fixed point (analogous to the origin of a Cartesian system) is called the pole, and the ray from the pole in the fixed direction is the polar axis. The distance from the pole is called the radial coordinate or radius, and the angle is the angular coordinate, polar angle, or azimuth.
:
To find the Cartesian slope of the tangent line to a polar curve r(θ) at any given point, the curve is first expressed as a system of parametric equations.
:
Radially asymmetric systems may also be modeled with polar coordinates. For example, a microphone's pickup pattern illustrates its proportional response to an incoming sound from a given direction, and these patterns can be represented as polar curves.
http://en.wikipedia.org/wiki/Polar_coordinate_system#Polar_e...

Polarkoordinaten
:
In der Mathematik und Geodäsie versteht man unter einem Polarkoordinatensystem (auch: Kreiskoordinatensystem) ein zweidimensionales Koordinatensystem, in dem jeder Punkt auf einer Ebene durch einen Winkel und einen Abstand definiert werden kann. In dem vertrauteren kartesischen oder rechtshändigen Koordinatensystem finden sich derartige Beziehungen in Form trigonometrischer Formulierungen.
http://de.wikipedia.org/wiki/Polarkoordinaten

Anmerkung: Wikipedia kennt den Ausdruck „Polarkurve“ nicht. Ich übrigens auch nicht, trotz meines Ingenieurstudiums und 40 Jahren Berüfstätigkeit.

Johannes Gleim
Local time: 14:47
Specializes in field
Native speaker of:

German
PRO pts in category: 429

Reference comments

39 mins peer agreement (net): +2

Reference: Polarkoordinaten

Reference information:
Polar Coordinates. Polar coordinates (r,) represent the location of a point (in 2D space) by its distance (r) from a fixed point on a fixed line (polar axis) and the angle (, in radians) from that fixed line.

Polar plots are used to visualize functions. They also offer an intuitive way to present relations involving a variable representing direction.

Link 2:

Software zum Auswerten und Lösen von mathematischen Fragestellungen

Dieses Programm (Geometrie, Algebra, Statistik) berechnet Vektoren, Matrizen, komplexe Zahlen, Quaternionen, Koordinatensysteme (Polarkoordinaten, Kugelkoordinaten, Zylinderkoordinaten) und kann numerisch integrieren.

See also, Cartesian Coordinates.

Reference: http://www.statsoft.com/textbook/statistics-glossary/p/butto...
Reference: http://www.calc3d.com/gindex.html

Sabine Mertens
Germany
Native speaker of:

German

3 hrs

Reference: Polarkurven

Reference information:
sind auf jeden Fall die einzig richtige Übersetzung von polar curves. Hier haben wir Polarkurven
http://books.google.de/books?id=A_h0y93zH1kC&pg=PA272&lpg=PA...
Diese sind aber nicht gemeint.
Weiterhin werden unter Polarkurven oder polar curves (gut) durch Polargleichungen r=f(φ) für den Radius r und dem Winkel φ verstanden, wie hier
http://www.matheraetsel.de/archiv/Kurvenanalyse/Uhrenwerk/za...
Lemniskaten, Cardioide und andere lassen sich zum Beispiel so gut beschreiben.
Die werden wohl auch nicht gemeint sein, auch wenn es treffen könnte.
Drittens können Kurven in Polarderstellung sein, Polarkurven vs. karthesische Kurven:
http://haftendorn.uni-lueneburg.de/analysis/polar/polar-kart...
Ganz schlecht, die Koordinaten definieren die Kurven nicht, sie beschreiben sie nur.
In der Tat geht es offenbar um Polardiegramme, dummerweise steht das aber nicht im AT! Dieser ist schlecht geschrieben.

Konrad Schultz
Germany
Native speaker of:

German
PRO pts in category: 106

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Changes made by editors

Oct 10, 2011 - Changes made by Bernd Runge:
Created KOG entry	KudoZ term => KOG term
Sep 26, 2011 - Changes made by Steffen Walter:
Field (specific)	Engineering: Industrial => Electronics / Elect Eng

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polar curves

German translation: Polardiagramm

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polar curves

German translation: Polardiagramm

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