Signal

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Contents 1 Scientific concepts 2 Computing 3 Communications 4 Names 5 Ships 6 Other 7 See also

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

[edit] Scientific concepts

• Signal (electrical engineering), a physical quantity that can carry information.
• 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
• Two theories in different disciplines of "honest signalling" when deception may be incentivized:
  • Signalling theory in evolutionary biology, a theory stating how organisms signal their state to others with respect to evolutionary survival and reproductive fitness
  • Signalling (economics), how market actors can signal their intentions and values to others in economics
• Signalling game, signalling theories in evolutionary biology and economics expressed in terms of game theory

[edit] 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

[edit] 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
• Distress signal
• Smoke signal
• Signalling (telecommunications), a part of some communication protocols
• Recognition signal in human, technical or biological communications

[edit] Names

• Signal (band), a Bulgarian rock band
• Signal (American band), an American AOR band
• Signals (album), an album by progressive rock band Rush
• Signal (magazine), a Nazi propaganda magazine published in occupied Europe during World War II
• The Signal, a 2007 horror film
• Signal (toothpaste)
• Signal 1 and Signal 2 radio stations
• Signaal (now Thales Nederland), a Netherlands based defence company
• Signal Systems, a telecommunications company of the McLean Group of Companies
• Signal - The Southeast Electronic Music Festival, an annual music festival held in the United States

[edit] Ships

• USS Signal, the name of more than one United States Navy ship

[edit] Other

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

[edit] See also

• Signal velocity
• The Signal

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