Signal, signals, signaling, or signalling may refer to:

Scientific concepts

• Signal (electrical engineering), a varying quantity that can carry information. In the fields of communications, Signal processing, and in Electrical engineering more generally a signal is any time-varying or spatial-varying quantity
• Signal processing, the field of techniques used to extract information from signals
• Cell signaling, in biology, the system of communication that governs basic cellular activities and coordinates cell actions
• Signal (biology), an electrochemical communication activity in an organism

Computing

• Signal (computing), an event, message, or data structure transmitted between computational processes
• Signal programming, a variety of event-driven programming
• Signals and slots, a signal-driven software design pattern

Communications

• Signals used in various kinds of transport:
  • Traffic light
  • Railway signal
  • Semaphore
  • Beacon
  • International maritime signal flags, using the International Code of Signals
• Signals (military), a name that refers to military communications
• Signalling theory in biology, a theory stating how organisms signal their state to others
• Distress signal
• Smoke signal (See also Category:Early telecommunications)
• Signalling (telecommunications), a part of some communication protocols

Names

• Signal (band), a Bulgarian rock band
• Signals (album), an album by progressive rock band Rush
• Signal (magazine)
• Signal (toothpaste)
• Signal 1 and Signal 2 radio stations
• Signaal (now Thales Nederland), a Netherlands based defence company
• Signal Systems, a company of the McLean Group of Companies

Other

• Any implicit, subtle, or disguised message, in situations such as:
  • Partnership card games (see Signal (bridge))
  • Signalling (economics)
• Signals in legal citations
• Kent (game) a card game also known as Signal or Kemp

Signal processing is the analysis interpretation and manipulation of signals Signals of interest include sound, images, biological signals such as Cell signaling is part of a Complex system of Communication that governs basic cellular activities and coordinates cell actions See also Electrophysiology In Biology, a signal or biopotential is an Electric quantity (voltage or current or field strength caused A signal is a limited form of Inter-process communication used in Unix, Unix-like, and other POSIX -compliant operating systems Signal programming is often used in the same sense as Event-driven programming. Signals and slots is a language construct introduced in Qt, which makes it easy to implement the Observer pattern while avoiding boilerplate code. Transport or transportation is the movement of people and goods from one place to another The traffic light, also known as traffic signal, stop light, traffic lamp, stop-and-go lights, robot or semaphore, A signal is a mechanical or electrical device erected beside a Railway line to pass information relating to the state of the line ahead to train drivers/engineers. Beacons are aids to Navigation devices Intentionally conspicuous beacons help guide navigators to their destinations The International Code of Signals (INTERCO is a signal code to be used by merchant and naval vessels to communicate important messages about the state of a vessel and the intent of its Military communications, or Signals ( not to be confused with military Line of communications (LOC is a field of Military activities tactics Within Evolutionary biology, signalling theory refers to a body of theoretical work examining communication between individuals The smoke signal is one of the oldest forms of communication in recorded history In Telecommunication, signalling (UK spelling or signaling (US spelling has the following meanings The use of signals for controlling communications Signal (Сигнал is a Bulgarian rock band most popular in the 1970s and 80s Signals is the ninth studio album by the Canadian rock band Rush, released in 1982 (see 1982 in music) Signal was a magazine published by the German Wehrmacht from 1940 through 1945 Signal is a Toothpaste and a mouth wash produced by The Unilever company Signal One is an Independent Local Radio station broadcasting from studios in Shelton, Stoke-on-Trent to Staffordshire and Cheshire Signal 2 is a British Independent Local Radio station The station is owned by UTV Radio and runs a "gold format" (recent oldies playlist Thales Nederland BV (formerly Signaal) is a Subsidiary of Thales Group involved primarily in naval defence Systems ( McLean Group of Companies is collective of companies owned by the McLean Family in Vancouver, British Columbia, Canada. In the Card game of Contract bridge, the partners defending against a contract may choose particular cards to play to communicate a signal. In Economics, more precisely in Contract theory, signalling is the idea that one party (termed the agent) conveys some meaningful information Legal citation signals are a set of brief abbreviated phrases or words used to clarify the authority or significance of a Legal citation as it relates to a proposition Kemps is a matching Card game for two to six teams of two players each

© 2009 citizendia.org; parts available under the terms of GNU Free Documentation License, from http://en.wikipedia.org
Dapyx Software network: MP3 Explorer | Ebook Manager | Zenithic