In applied sciences, the equivalent radius (or mean radius) is the radius of a circle or sphere with the same perimeter, area, or volume of a non-circular...
8 KB (1,189 words) - 13:02, 12 January 2025
The equivalent radius of an antenna electrical conductor is defined as: r e = exp { 1 L 2 ∮ ℓ ∮ ℓ ln | x − y | d x d y } {\displaystyle r_{e}=\exp...
8 KB (850 words) - 12:09, 30 August 2024
The Schwarzschild radius is a parameter in the Schwarzschild solution to Einstein's field equations that corresponds to the radius of a sphere in flat...
24 KB (2,276 words) - 22:29, 11 May 2025
conditions of Stokes’ law. Equivalent radius Hydraulic diameter Index of sphericity Shape factor Sphericity Stokes radius Jennings, B. R. and Parslow...
8 KB (1,022 words) - 05:41, 9 March 2025
inequality applicable to any closed curve Perimeter-equivalent radius – Radius of a circle or sphere equivalent to a non-circular or non-spherical objectPages...
9 KB (1,068 words) - 20:47, 11 May 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
2 KB (278 words) - 00:14, 21 September 2018
ellipsoid), the radius ranges from a maximum (equatorial radius, denoted a) of about 6,378 km (3,963 mi) to a minimum (polar radius, denoted b) of nearly...
42 KB (4,474 words) - 23:38, 6 May 2025
non-equivalent definitions of atomic radius. Four widely used definitions of atomic radius are: Van der Waals radius, ionic radius, metallic radius and...
33 KB (2,405 words) - 22:56, 21 April 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
9 KB (1,093 words) - 04:44, 30 December 2024
Cellular network (redirect from Cell radius)
D=R{\sqrt {3N}}} , where R is the cell radius and N is the number of cells per cluster. Cells may vary in radius from 1 to 30 kilometres (0.62 to 18.64 mi)...
46 KB (5,539 words) - 19:19, 20 April 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
11 KB (1,339 words) - 11:54, 16 April 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
9 KB (1,256 words) - 01:49, 16 December 2024
In geometry, the area enclosed by a circle of radius r is πr2. Here, the Greek letter π represents the constant ratio of the circumference of any circle...
37 KB (5,897 words) - 12:44, 9 May 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
2 KB (295 words) - 12:14, 27 March 2024
mentioned earlier r is the sphere's radius; any line from the center to a point on the sphere is also called a radius. 'Radius' is used in two senses: as a line...
41 KB (5,342 words) - 15:01, 12 May 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
2 KB (178 words) - 18:32, 23 January 2024
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
1 KB (96 words) - 15:35, 8 April 2025
In mathematics, the radius of convergence of a power series is the radius of the largest disk at the center of the series in which the series converges...
16 KB (2,616 words) - 06:22, 15 February 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
48 KB (6,057 words) - 09:54, 3 November 2024
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
14 KB (1,599 words) - 17:40, 14 December 2024
Atomic radii of the elements (data page) (redirect from Atomic radius (data page))
a well-defined physical entity, there are various non-equivalent definitions of atomic radius. Depending on the definition, the term may apply only to...
31 KB (863 words) - 21:23, 1 September 2024
at least a quarter of the wavelength ( 1 /4 λ) of the radio waves in radius. In lower frequency antennas, such as the mast radiators used for broadcast...
10 KB (1,249 words) - 19:24, 17 January 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
22 KB (2,847 words) - 01:11, 8 April 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
7 KB (741 words) - 09:55, 8 March 2024
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
32 KB (3,661 words) - 21:05, 16 April 2025
The Stokes radius or Stokes–Einstein radius of a solute is the radius of a hard sphere that diffuses at the same rate as that solute. Named after George...
5 KB (684 words) - 04:49, 12 April 2025
Characteristics Array gain Directivity Efficiency Electrical length Equivalent radius Factor Friis transmission equation Gain Height Radiation pattern Radiation...
18 KB (2,232 words) - 09:01, 15 May 2025
contact radius ( z {\displaystyle z} ) between the ball and the specimen. This led to further refinement by incorporating Westergaard's (1926) equivalent radius...
7 KB (804 words) - 04:10, 19 May 2025
needed. For comparison, one Solar radius is equivalent to: 400 Lunar radius (RL) 109 Earth radius (R🜨) 9.955 Jupiter radius (RJ) Mamajek, E. E; Prsa, A; Torres...
5 KB (396 words) - 12:46, 30 August 2024
transmit is limited by local regulations, such as FCC Part 15 in the US. Equivalent isotropically radiated power (EIRP) in the European Union is limited to...
122 KB (12,968 words) - 00:11, 17 May 2025