• Thumbnail for Signal
    multiple subject fields including signal processing, information theory and biology. In signal processing, a signal is a function that conveys information...
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  • Thumbnail for Wow! signal
    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...
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  • 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...
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  • 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...
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  • Thumbnail for Signal Foundation
    The Signal Technology Foundation, commonly known as the Signal Foundation, is an American non-profit organization founded in 2018 by Moxie Marlinspike...
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  • A signal corps is a military branch, responsible for military communications (signals). Many countries maintain a signal corps, which is typically subordinate...
    3 KB (259 words) - 07:58, 2 February 2024
  • Thumbnail for Signal (messaging app)
    Signal is an encrypted messaging service for instant messaging, voice, and video calls. The instant messaging function includes sending text, voice notes...
    136 KB (11,634 words) - 06:29, 30 April 2024
  • 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...
    25 KB (3,699 words) - 03:18, 20 April 2024
  • 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...
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  • Thumbnail for Signal processing
    Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing signals, such as sound, images, potential...
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  • Signal or signaling may refer to: Analog signal Audio signal Digital signal Digital signal (signal processing) Cell signaling, in biology Signalling (economics)...
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  • Thumbnail for Digital signal
    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...
    14 KB (1,552 words) - 22:16, 19 February 2024
  • Thumbnail for Signals intelligence
    Signals intelligence (SIGINT) is the act and field of intelligence-gathering by interception of signals, whether communications between people (communications...
    54 KB (6,795 words) - 05:37, 4 March 2024
  • Thumbnail for Signal (magazine)
    Signal was a magazine published by the Wehrmacht of Nazi Germany from 1940 through 1945. Signal was an illustrated photo journal and army propaganda tool...
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  • signaling (cell signalling in British English) is the process by which a cell interacts with itself, other cells, and the environment. Cell signaling...
    62 KB (6,780 words) - 04:09, 31 March 2024
  • Signals are standardized messages sent to a running program to trigger specific behavior, such as quitting or error handling. They are a limited form...
    31 KB (3,469 words) - 06:43, 3 April 2024
  • Thumbnail for Signal transduction
    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...
    63 KB (7,624 words) - 03:29, 26 January 2024
  • Thumbnail for Railway signal
    A railway signal is a visual display device that conveys instructions or provides warning of instructions regarding the driver's authority to proceed....
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  • Signal Mountain may refer to: Signal Mountain (Alberta), a mountain in the Maligne Range in Alberta, Canada Signal Mountain Wilderness, a protected wilderness...
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  • In telecommunications, a pilot signal is a signal, usually a single frequency, transmitted over a communications system for supervisory, control, equalization...
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  • Thumbnail for Thumb 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...
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  • 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...
    4 KB (409 words) - 03:32, 5 December 2023
  • A signal generator is one of a class of electronic devices that generates electrical signals with set properties of amplitude, frequency, and wave shape...
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  • A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting...
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  • 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...
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  • 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...
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  • 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...
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  • Signal lights may refer to: Traffic light, signal lights controlling automotive & pedestrian traffic flow Turn signals, signal lights indicating automotive...
    397 bytes (77 words) - 01:18, 16 September 2009
  • Thumbnail for Smoke signal
    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...
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  • Thumbnail for Signal transmission
    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...
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