single-frequency device
61Accessibility — For Wikipedia s accessibility policy, see Wikipedia:Accessibility. For the related design concept, see Universal design. For the logical notion, see Accessibility relation. For accessibility on the internet, see Web accessibility …
62Artificial pacemaker — Cardiac resynchronization therapy and CRT (Cardiac Resynchronization Therapy) redirect here. For the device termed a CRT D, see Implanted cardiac resynchronization device. For other uses, see Pacemaker (disambiguation). A pacemaker, scale in… …
63Passive optical network — A passive optical network (PON) is a point to multipoint, fiber to the premises network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises, typically 32 128. A PON consists of an …
64Mobile radio — This article is about professional equipment. For mobile radios used in amateur radio, see amateur radio mobile operation. Mobile radio or mobiles refer to wireless communications systems and devices which are based on radio frequencies, and… …
65Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… …
66Femtocell — In telecommunications, a femtocell mdash;originally known as an Access Point Base Station mdash;is a small cellular base station, typically designed for use in residential or small business environments. It connects to the service provider’s… …
67Mathematics of radio engineering — A complex valued function. The mathematics of radio engineering is a pleasant and very useful subject. This article is an attempt to provide a reasonably comprehensive summary of this almost limitless topic. While the ideas have historically… …
68Mobile television — DMB in South Korea Mobile television usually means television watched on a small handheld device. It may be a pay TV service broadcast on mobile phone networks or received free to air via terrestrial television stations from either regular… …
69Reed–Solomon error correction — Reed Solomon error correction is an error correcting code that works by oversampling a polynomial constructed from the data. The polynomial is evaluated at several points, and these values are sent or recorded. Sampling the polynomial more often… …
70Cobranet — is a combination of software, hardware and network protocols designed to deliver uncompressed, multi channel, low latency digital audio over a standard Ethernet network. Developed in the 1990s, CobraNet is widely regarded as the first… …
