(optical digital signal processing)
1Signal processing — is an area of systems engineering, electrical engineering and applied mathematics that deals with operations on or analysis of signals, in either discrete or continuous time. Signals of interest can include sound, images, time varying measurement …
2Digital signal — Main article: Signal (electronics) A digital signal is a physical signal that is a representation of a sequence of discrete values (a quantified discrete time signal), for example of an arbitrary bit stream, or of a digitized (sampled and analog… …
3Optical coherence tomography — Intervention Optical Coherence Tomography (OCT) image of a sarcoma MeSH …
4Digital Radio Mondiale — (abbreviated DRM; mondiale being Italian and French for worldwide ) is a set of digital audio broadcasting technologies designed to work over the bands currently used for AM broadcasting, particularly shortwave. DRM can fit more channels than AM …
5Digital audio — Digital music redirects here. For a kind of modern music composed by digital means, see electronic music. A sound wave, in gray, represented digitally, in red (after quantization and zero order hold). Digital audio is sound reproduction using… …
6Bandwidth (signal processing) — Bandwidth is the difference between the upper and lower cutoff frequencies of, for example, a filter, a communication channel, or a signal spectrum, and is typically measured in hertz. In case of a baseband channel or signal, the bandwidth is… …
7Digital Audio Broadcasting — For other digital audio broadcasting systems, see Digital radio.   Countries with regular services …
8Digital subscriber line — DSL redirects here. For other uses, see DSL (disambiguation). DSL technologies Standard ADSL ANSI T1.413 Issue 2 ITU G.992.1 (G.DMT) ITU G.992.2 (G.Lite) ADSL2 ITU G.992.3 ITU G.992.4 ITU G.992.3 Annex J ITU G.992.3 Annex L ADSL2+ …
9Digital electronics — Main articles: Electronics and Electronic circuit Digital electronics represent signals by discrete bands of analog levels, rather than by a continuous range. All levels within a band represent the same signal state. Relatively small changes to… …
10Digital video — For other uses, see Digital video (disambiguation). Digital video is a type of digital recording system that works by using a digital rather than an analog video signal. The terms camera, video camera, and camcorder are used interchangeably in… …
