- spherical radius
- мат.сферический радиус
English-Russian scientific dictionary. 2008.
spherical radius
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Spherical trigonometry — Spherical triangle Spherical trigonometry is a branch of spherical geometry which deals with polygons (especially triangles) on the sphere and the relationships between the sides and the angles. This is of great importance for calculations in… … Wikipedia
Spherical multipole moments — are the coefficients in a series expansionof a potential that varies inversely with the distance R to a source, i.e., as frac{1}{R}. Examples of such potentials are the electric potential, the magnetic potential and the gravitational… … Wikipedia
Radius of curvature (optics) — Radius of curvature has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located in (x, y, z) either along or decentered from the system local optical axis. The vertex… … Wikipedia
spherical coordinate — n. Math. any of three coordinates for locating a point in three dimensional space by reference to the length of its radius vector and the two polar angles that determine the position of this vector * * * … Universalium
spherical coordinate — n. Math. any of three coordinates for locating a point in three dimensional space by reference to the length of its radius vector and the two polar angles that determine the position of this vector … English World dictionary
Spherical Earth — Medieval artistic representation of a spherical Earth with compartments representing earth, air, and water (c. 1400). The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC … Wikipedia
Spherical cap — In geometry, a spherical cap is a portion of a sphere cut off by a plane. If the plane passes through the center of the sphere, so that the height of the cap is equal to the radius of the sphere, the spherical cap is called a hemisphere .If the… … Wikipedia
Spherical mean — In mathematics, the spherical mean of a function around a point is the average of all values of that function on a sphere of given radius centered at that point. DefinitionConsider an open set U in the Euclidean space mathbb R^n and a continuous… … Wikipedia
Spherical coordinate system — In mathematics, the spherical coordinate system is a coordinate system for representing geometric figures in three dimensions using three coordinates: the radial distance of a point from a fixed origin, the zenith angle from the positive z axis… … Wikipedia
Spherical coordinates — Coordinate Co*[ o]r di*nate, n. 1. A thing of the same rank with another thing; one two or more persons or things of equal rank, authority, or importance. [1913 Webster] It has neither co[ o]rdinate nor analogon; it is absolutely one. Coleridge.… … The Collaborative International Dictionary of English
Radius of curvature (applications) — The distance from the center of a sphere or ellipsoid to its surface is its radius. The equivalent surface radius that is described by radial distances at points along the body s surface is its radius of curvature (more formally, the radius of… … Wikipedia
