spherical radiator
1Isotropic radiator — An isotropic radiator is a theoretical point source of waves which exhibits the same magnitude or properties when measured in all directions. It has no preferred direction of radiation. It radiates uniformly in all directions over a sphere… …
2fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
3Point spread function — The point spread function (PSF) describes the response of an imaging system to a point source or point object. A related but more general term for the PSF is a system s impulse response. The PSF in many contexts can be thought of as the extended… …
4Engine cooling — is cooling an engine, typically using either air or liquid.OverviewHeat engines generate mechanical power by extracting energy from heat flows, much as a water wheel extracts mechanical power from a flow of mass falling through a distance.… …
5Antenna measurement — techniques refers to the testing of antennas to ensure that the antenna meets specifications or simply to characterize it. Typical parameters of antennas are gain, radiation pattern, beamwidth, polarization, and impedance.The antenna pattern is… …
6automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
7Daimler Motor Company — This article is about the Daimler brand and its owner the British automobile manufacturer Daimler Motor Company. See Daimler for other uses derived from the German engineer and inventor Gottlieb Daimler. For the two direct descendants of Daimler… …
8Ring imaging Čerenkov detector — A Ring Imaging Čerenkov detector (RICH detector) is a particle detector that can determine the velocity, v , of a charged fundamental particle. This is done by an indirect measurement of the Čerenkov angle, heta c , i.e. the angle between the… …
9Zastava Skala — Infobox Automobile name = Zastava Skala manufacturer = Zastava Automobili Serbia production = 1971–present class = sedan/liftback platform = Fiat 128 platform body style = 3 door hatchback 5 door hatchback 5 door Liftback 2 door pickup truck… …
10Parabolic antenna — A parabolic satellite communications antenna at Erdfunkstelle Raisting, the biggest facility for satellite communication in the world, in Raisting, Bavaria, Germany. It has a Cassegrain type feed. A parabolic antenna is an antenna that uses a… …
