bandwidth efficiency
81Appropriate technology — (AT) is technology that is designed with special consideration to the environmental, ethical, cultural, social and economical aspects of the community it is intended for. With these goals in mind, AT typically requires fewer resources, is easier… …
82Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …
83National broadband plans from around the world — Broadband is a term normally considered to be synonymous with a high speed connection to the internet. The term itself is technology neutral; broadband can be delived by a range of technologies including DSL, LTE or next generation access. This… …
84Ultra-wideband — (aka UWB, ultra wide band, ultraband, etc.) is a radio technology that can be used at very low energy levels for short range high bandwidth communications by using a large portion of the radio spectrum. UWB has traditional applications in non… …
85PSK31 — or Phase Shift Keying, 31 Baud is a digital , used primarily in the amateur radio field to conduct real time text chat between amateur radio operators. History PSK31 was developed by English amateur radio operator Peter Martinez (G3PLX) and… …
86Coding gain — In coding theory and related engineering problems, coding gain is the measure in the difference between the signal to noise ratio (SNR) levels between the uncoded system and coded system required to reach the same bit error rate (BER) levels when …
87List of device bit rates — This is a list of device bit rates, or physical layer information rates, net bit rates, useful bit rates, peak bit rates or digital bandwidth capacity, at which digital interfaces of computer peripheral equipment and network devices can… …
88Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
89Radeon R520 — ATIGPU name = Radeon X1K Series |250px codename = Fudo (R520) Rodin (R580) created = 2005 2006 entry = Radeon X1300, X1550, X1050 midrange = Radeon X1600, X1650 highend = Radeon X1800, X1900, X1950 d3dversion = 9.0c, Shader Model 3.0ATI s R520… …
90Synchronous optical networking — (SONET) and Synchronous Digital Hierarchy (SDH), are two closely related multiplexing protocols for transferring multiple digital bit streams using lasers or light emitting diodes (LEDs) over the same optical fiber. The method was developed to… …
