false alarm signal

false alarm signal
сигнал ложной тревоги

Англо-русский словарь по компьютерной безопасности. . 2011.

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  • Alarm signal — In the field of animal communication, an alarm signal is an antipredator adaptation referring to various signals emitted by social animals in response to danger. Many primates and birds have elaborate alarm calls for warning conspecifics of… …   Wikipedia

  • False alarm — For a more generic meaning, see False positive. For other uses, see False alarm (disambiguation). A false alarm, also called a nuisance alarm, is the phony report of an emergency, causing unnecessary panic and/or bringing resources (such as… …   Wikipedia

  • Constant false alarm rate — (CFAR) detection refers to a common form of adaptive algorithm used in radar systems to detect target returns against a background of noise, clutter and interference. Other detection algorithms are not adaptive. Non adaptive detectors are… …   Wikipedia

  • Constant false alarm rate — La détection par Constant false alarm rate, CFAR, (taux constant de fausses alertes) fait référence à une forme classique d algorithme adaptatif utilisée dans les radars pour isoler le signal retour d une cible d un bruit de fond important, de… …   Wikipédia en Français

  • Alarm — An alarm (French: À l arme To the arms ) gives an audible or visual warning of a problem or condition.Alarms include: * burglar alarms, designed to warn of burglaries; this is often a silent alarm: the police or guards are warned without… …   Wikipedia

  • Alarm — (Roget s Thesaurus) >Indication of danger. < N PARAG:Alarm >N GRP: N 1 Sgm: N 1 alarm alarm Sgm: N 1 alarum alarum larum alarm bell tocsin alerts beat of drum sound of trumpet note of alarm hue and cry fire cros …   English dictionary for students

  • Burglar alarm — Silent alarm redirects here. For the album, see Silent Alarm (album). Burglar (or intrusion), fire and safety alarms are all electronic today. Sensors are connected to a control unit via a low voltage hardwire or narrowband RF signal which is… …   Wikipedia

  • Fire alarm notification appliance — A Wheelock MT 24 LSM electronic fire alarm horn and strobe. A fire alarm notification appliance is an active fire protection component. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other… …   Wikipedia

  • Caractéristiques du signal radar — Un système radar utilise un signal radio électromagnétique qui, en étant réfléchi par une cible, permettra d obtenir des informations sur cette cible. Les signaux transmis et réfléchis vont présenter plusieurs des caractéristiques décrites ci… …   Wikipédia en Français

  • Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …   Wikipedia

  • Manual fire alarm activation — Single action pull station. A manual call point in the UK …   Wikipedia


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