English-German dictionary of Electrical Engineering and Electronics. 2013.
Scatter Chat — The term Scatter Chat refers to a recent marketing practice that takes the spreading of viral messages to another level. Delivered through blogs, email or video hosting sites, they are often humorous but can also be rather serious. In a similar… … Wikipedia
Tropospheric scatter — (or troposcatter) is the scattering of distant TV and FM radio stations by the troposphere so that they travel farther than the line of sight. This effect sometimes allows reception of stations up to a hundred miles away.The phenomenon has been… … Wikipedia
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… … Wikipedia
Microwave transmission — The atmospheric attenuation of microwaves in dry air with a precipitable water vapor level of 0.001 mm. The downward spikes in the graph correspond to frequencies at which microwaves are absorbed more strongly, such as by oxygen molecules… … Wikipedia
Microwave radio relay — is a technology for transmitting digital and analog signals, such as long distance telephone calls and the relay of television programs to transmitters, between two locations on a line of sight radio path. In microwave radio relay, radio waves… … Wikipedia
De los valles y volcanes — Saltar a navegación, búsqueda De Los Valles y Volcanes Álbum de Hacia Dos Veranos Publicación 2007 Grabación Estudio Tecson, Estudio El Árbol y Estudio Concreto … Wikipedia Español
Radar — For other uses, see Radar (disambiguation). A long range radar antenna, known as ALTAIR, used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on Kwajalein Atoll … Wikipedia
White Alice Communications System — The White Alice Communications System (WACS) was a United States Air Force telecommunication link system constructed in Alaska, during the cold war. It featured tropospheric scatter links and line of sight microwave radio links. It was… … Wikipedia
De Los Valles y Volcanes — Studio album by Hacia Dos Veranos Released 2007 Recorded Estudio Tecson, Estudio El Árbol and Estudio Concreto, Argentina … Wikipedia
Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… … Wikipedia
