Diameter Credit-Control Application — Diameter Credit Control Application, is a networking protocol for Diameter application used to implement real time credit control for a variety of end user services. It is an IETF standard defined in RFC 4006. Contents 1 Purpose 1.1 Session based … Wikipedia
Communication with extraterrestrial intelligence — (CETI) is a branch of the search for extraterrestrial intelligence that focuses on composing and deciphering messages that could theoretically be understood by another technological civilization. The best known CETI experiment was the 1974… … Wikipedia
Communication with submarines — is difficult because radio waves do not travel well through thick electrical conductors like salt water. The obvious solution is to surface and raise an antenna above the water, then use ordinary radio transmissions. Early submarines had to… … Wikipedia
Diameter (protocol) — Internet protocol suite Application layer BGP DHCP DNS FTP HTTP … Wikipedia
Communication with Extraterrestrial Intelligence — CETI (Communication with Extraterrestrial Intelligence) is a branch of SETI research that focuses on composing and deciphering messages that could theoretically be understood by another technological civilization. The best known CETI experiment… … Wikipedia
satellite communication — Introduction in telecommunication, the use of artificial satellites to provide communications links between various points on Earth (Earth satellite). Communications satellites relay voice, video, and data signals between widely separated fixed… … Universalium
Madrid Deep Space Communication Complex — View of the complex, and the 70m antenna. The Madrid Deep Space Communications Complex (MDSCC) is a ground station located in Robledo de Chavela, Spain, and operated by Ingenieria y Servicios Aeroespaciales, S.A. (INSA) for Instituto Nacional de… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
telecommunications media — Introduction equipment and systems metal wire, terrestrial and satellite radio, and optical fibre employed in the transmission of electromagnetic signals. Transmission media and the problem of signal degradation Every… … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium