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...

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

busy signal Listen to a busy signal from North America, Hong Kong, South Korea and the Philippines. Example of an old North American busy signal Listen...

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 American open-source, encrypted messaging service for instant messaging, voice calls, and video calls. The instant messaging function includes...

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

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...

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

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

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...

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

modulation or message signal onto a carrier signal to be transmitted. For example, the message signal might be an audio signal representing sound from...

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...

In signal processing, sampling is the reduction of a continuous-time signal to a discrete-time signal. A common example is the conversion of a sound wave...

The signal velocity is the speed at which a wave carries information. It describes how quickly a message can be communicated (using any particular method)...

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

electronics, a signal trace or circuit trace on a printed circuit board (PCB) or integrated circuit (IC) is the equivalent of a wire for conducting signals. Each...

The Signal is a 2014 American science fiction thriller film directed by William Eubank, written by William and Carlyle Eubank and David Frigerio, and starring...

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...

United States national security leaders conversed on a group chat using the Signal messaging service about imminent military operations against the Houthis...

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 numbers...

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

synchronous digital circuits, a clock signal (historically also known as logic beat) is an electronic logic signal (voltage or current) which oscillates...

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

The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice...

video signal generator is a type of signal generator which outputs predetermined video and/or television oscillation waveforms, and other signals used...