false alarm rate

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• 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

• 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

• 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

• Base rate fallacy — The base rate fallacy, also called base rate neglect or base rate bias, is an error that occurs when the conditional probability of some hypothesis H given some evidence E is assessed without taking into account the base rate or prior probability …   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

• Type I and type II errors — In statistics, the terms Type I error (also, α error, or false positive) and type II error (β error, or a false negative) are used to describe possible errors made in a statistical decision process. In 1928, Jerzy Neyman (1894 1981) and Egon… …   Wikipedia

• CFAR — 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… …   Wikipédia en Français

• Intrusion detection system — An intrusion detection system (IDS) is a device or software application that monitors network and/or system activities for malicious activities or policy violations and produces reports to a Management Station.[1] Some systems may attempt to stop …   Wikipedia

• Detection theory — Detection theory, or signal detection theory, is a means to quantify the ability to discern between signal and noise. According to the theory, there are a number of determiners of how a detecting system will detect a signal, and where its… …   Wikipedia

• Missile Approach Warning — A Missile Approach Warning system is part of the avionics package on some military aircraft. A sensor detects attacking missiles. Its automatic warning cues the pilot to make a defensive maneuver and deploy the available countermeasures to… …   Wikipedia