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 film), American horror film written and directed by David Bruckner, Dan Bush, and Jacob Gentry The Signal (2014...

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...

analog signal is any continuous-time signal representing some other quantity, i.e., analogous to another quantity. For example, in an analog audio signal, the...

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...

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

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...

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

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...

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

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

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...

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...

A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting...

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

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

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

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...

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

Digital signal processing (DSP) is the use of digital processing, such as by computers or more specialized digital signal processors, to perform a wide...

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...

The smoke signal is one of the oldest forms of long-distance communication. It is a form of visual communication used over a long distance. In general...

No Signal is the second full-length album by Illinois indie rock band Park. It was released in 2001 on Lobster Records. The final track "Untitled (Bonus...

Signal Mountain may refer to: Signal Mountain (Alberta), a mountain in the Maligne Range in Alberta, Canada Signal Mountain Wilderness, a protected wilderness...

A railway signal is a visual display device that conveys instructions or provides warning of instructions regarding the driver's authority to proceed....

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...

Virtue signalling is a pejorative term for the act of showing oneself to have good character, such as by expressing opinions that are considered morally...

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