multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information...

The Signal may refer to: The Signal (2007 American film), a horror film written and directed by David Bruckner, Dan Bush, and Jacob Gentry The Signal (2007...

The Wow! signal was a strong narrowband radio signal detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States...

Signal is an open-source, encrypted messaging service for instant messaging, voice calls, and video calls. The instant messaging function includes sending...

An analog signal (American English) or analogue signal (British and Commonwealth English) is any continuous-time signal representing some other quantity...

The Bat-Signal is a distress signal device appearing in American comic books published by DC Comics, as a means to summon the superhero, Batman. It is...

Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background...

Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential...

A signal corps is a military branch, responsible for military communications (signals). Many countries maintain a signal corps, which is typically subordinate...

Signal lights may refer to: Traffic light, signal lights controlling automotive & pedestrian traffic flow Turn signals, signal lights indicating automotive...

Signals are standardized messages sent to a running program to trigger specific behavior, such as quitting or error handling. They are a limited form...

Signal Mountain may refer to: Signal Mountain (geography), several mountains or peaks named Signal Signal Mountain (Alberta), a mountain in the Maligne...

Signal or signaling may refer to: Analog signal Audio signal Digital signal Digital signal (signal processing) Cell signaling, in biology Signalling (economics)...

A digital signal is a signal that represents data as a sequence of discrete values; at any given time it can only take on, at most, one of a finite number...

A forex signal is a suggestion for entering a trade on a currency pair, usually at a specific price and time. The signal is generated either by a human...

No Signal! is a British sketch comedy show that aired on a weekly basis from 5 February to 9 April 2009 on FX. The show's humour was based almost entirely...

In telecommunications, signaling is the use of signals for controlling communications. This may constitute an information exchange concerning the establishment...

Signals intelligence (SIGINT) is the act and field of intelligence-gathering by interception of signals, whether communications between people (communications...

Virtue signalling is the act of expressing opinions or stances that align with popular moral values, often through social media, with the intent of demonstrating...

The Signal Technology Foundation, commonly known as the Signal Foundation, is an American non-profit organization founded in 2018 by Moxie Marlinspike...

Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events. Proteins responsible...

Signal fire can refer to: Fire used as a light signal, a beacon that can be seen from a distance. Phryctoria Byzantine beacon system A smoke signal "Signal...

A thumb signal, usually described as a thumbs-up or thumbs-down, is a common hand gesture achieved by a closed fist held with the thumb extended upward...

signaling (cell signalling in British English) is the process by which a cell interacts with itself, other cells, and the environment. Cell signaling...

An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals, or a series of binary...

signal reflection occurs when a signal is transmitted along a transmission medium, such as a copper cable or an optical fiber. Some of the signal power...

In telecommunications, a pilot signal is a signal, usually a single frequency, transmitted over a communications system for supervisory, control, equalization...

Hong Kong tropical cyclone warning signals are issued by the Hong Kong Observatory to warn of a potential threat or effects of a tropical cyclone in the...

Signal Hill may refer to: Signal Hill, Calgary, neighborhood and hill in Calgary, Alberta Signal Hill-Quidi Vidi, provincial electoral district for the...

Within evolutionary biology, signalling theory is a body of theoretical work examining communication between individuals, both within species and across...