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

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...

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...

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...

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

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

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...

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

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...

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

of digital signal processing (DSP), a digital signal is a discrete time, quantized amplitude signal. In other words, it is a sampled signal consisting...

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...

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

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

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

Virtue signalling is a pejorative neologism for the idea that an expression of a moral viewpoint is being done disingenuously, with the intent of communicating...

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...

A signal generator is one of a class of electronic devices that generates electrical signals with set properties of amplitude, frequency, and wave shape...

The signal crayfish (Pacifastacus leniusculus) is a North American species of crayfish. It was introduced to Europe in the 1960s to supplement the North...

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...

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

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...

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

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

transmission is the process of sending or propagating an analog or digital signal via a medium that is wired, wireless, or fiber-optic. Transmission system...