Atmospheric duct — Fata Morgana of Farallon Islands with clearly seen duct In telecommunication, an atmospheric duct is a horizontal layer in the lower atmosphere in which the vertical refractive index gradients are such that radio signals (and light rays) (a) are… … Wikipedia
atmospheric duct propagation — atmosferinis bangolaidinis sklidimas statusas T sritis radioelektronika atitikmenys: angl. atmospheric duct propagation; atmospheric ducting vok. Atmosphärenwellenleiterausbreitung, f rus. распространение по атмосферному волноводу, n pranc.… … Radioelektronikos terminų žodynas
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
Intersymbol interference — In telecommunication, intersymbol interference (ISI) is a form of distortion of a signal in which one symbol interferes with subsequent symbols. This is an unwanted phenomenon as the previous symbols have similar effect as noise, thus making the… … Wikipedia
Multipath propagation — This article is about the electromagnetic propagation phenomenon. For the computing storage term, see Multipath I/O. For the routing term, see Multipath Routing. In wireless telecommunications, multipath is the propagation phenomenon that results … Wikipedia
Atmosphärenwellenleiterausbreitung — atmosferinis bangolaidinis sklidimas statusas T sritis radioelektronika atitikmenys: angl. atmospheric duct propagation; atmospheric ducting vok. Atmosphärenwellenleiterausbreitung, f rus. распространение по атмосферному волноводу, n pranc.… … Radioelektronikos terminų žodynas
atmosferinis bangolaidinis sklidimas — statusas T sritis radioelektronika atitikmenys: angl. atmospheric duct propagation; atmospheric ducting vok. Atmosphärenwellenleiterausbreitung, f rus. распространение по атмосферному волноводу, n pranc. canalisation d une onde électromagnétique … Radioelektronikos terminų žodynas
canalisation d'une onde électromagnétique — atmosferinis bangolaidinis sklidimas statusas T sritis radioelektronika atitikmenys: angl. atmospheric duct propagation; atmospheric ducting vok. Atmosphärenwellenleiterausbreitung, f rus. распространение по атмосферному волноводу, n pranc.… … Radioelektronikos terminų žodynas
распространение по атмосферному волноводу — atmosferinis bangolaidinis sklidimas statusas T sritis radioelektronika atitikmenys: angl. atmospheric duct propagation; atmospheric ducting vok. Atmosphärenwellenleiterausbreitung, f rus. распространение по атмосферному волноводу, n pranc.… … Radioelektronikos terminų žodynas
Digital channel election — A digital channel election was the process by which television stations in the United States chose which physical radio frequency TV channel they would permanently use after the analog shutdown in 2009. The process was managed and mandated by the … Wikipedia