coplanar lines
11Desargues' theorem — Perspective triangles. Corresponding sides of the triangles, when extended, meet at points on a line called the axis of perspectivity. The lines which run through corresponding vertices on the triangles meet at a point called the center of… …
12AC power plugs and sockets — See also: Industrial and multiphase power plugs and sockets Plugs and sockets may sometimes combine male and female contacts, but t …
13cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
14Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with …
15Distributed amplifier — Distributed amplifiers are circuit designs that incorporate transmission line theory into traditional amplifier design to obtain a larger gain bandwidth product than is realizable by conventional circuits. N stage traveling wave amplifier …
16Tetrahedron — For the academic journal, see Tetrahedron (journal). Regular Tetrahedron (Click here for rotating model) Type Platonic solid Elements F = 4, E = 6 V = 4 (χ = 2) Faces by s …
17Twisted cubic — In mathematics, a twisted cubic is a smooth, rational curve C of degree three in projective 3 space mathbb{P}^3. It is a fundamental example of a skew curve. It is essentially unique, up to projective transformation ( the twisted cubic,… …
18Microstrip — Cross section of microstrip geometry. Conductor (A) is separated from ground plane (D) by dielectric substrate (C). Upper dielectric (B) is typically air. Microstrip is a type of electrical transmission line which can be fabricated using printed… …
19Oblique projection — This article discusses imaging of three dimensional objects. For an abstract mathematical discussion, see Projection (linear algebra) …
20Goubou line — A Goubau line, Goubou line, or G line for short, is a single wire transmission line intended for use at UHF and microwave wavelengths. DescriptionThe Goubau line itself consists of a single conductor coated with dielectric material. Coupling to… …
