passive detection

См. также в других словарях:

• Passive radar — systems (also referred to as passive coherent location and passive covert radar) encompass a class of radar systems that detect and track objects by processing reflections from non cooperative sources of illumination in the environment, such as… …   Wikipedia

• Passive OS Fingerprinting — p0f (Passive OS Fingerprinting) est un logiciel de détection de systèmes d’exploitation passif. Il analyse les trames transitant sur le réseau (le segment analyse) et les compare avec une base de données des caractéristiques de chaque OS (prise… …   Wikipédia en Français

• 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

• Passive fire protection — (PFP) is an integral component of the three components of structural fire protection and fire safety in a building. PFP attempts to contain fires or slow the spread, through use of fire resistant walls, floors, and doors (amongst other examples) …   Wikipedia

• Detection of fire accelerants — Forensic science Physiological sciences …   Wikipedia

• Passive infrared sensor — A Passive InfraRed sensor (PIR sensor) is an electronic device that measures infrared (IR) light radiating from objects in its field of view. PIR sensors are often used in the construction of PIR based motion detectors (see below). Apparent… …   Wikipedia

• Détection d'intrusion — Système de détection d intrusion Un système de détection d intrusion (ou IDS : Intrusion Detection System) est un mécanisme destiné à repérer des activités anormales ou suspectes sur la cible analysée (un réseau ou un hôte). Il permet ainsi… …   Wikipédia en Français

• passive — I. adjective Etymology: Middle English, from Latin passivus, from passus, past participle Date: 14th century 1. a. (1) acted upon by an external agency (2) receptive to outside impressions or influences b. (1) asserting that the grammatical… …   New Collegiate Dictionary

• Passive attack — A passive attack on a cryptosystem is one in which the cryptanalyst cannot interact with any of the parties involved, attempting to break the system solely based upon observed data (i.e. the ciphertext). This can also include known plaintext… …   Wikipedia

• passive air defense — All measures, other than active air defense, taken to minimize the effectiveness of hostile air and missile threats against friendly forces and assets. These measures include camouflage, concealment, deception, dispersion, reconstitution,… …   Military dictionary

• passive countermeasures — The detection and analysis of the enemy’s electromagnetic emissions. Also called ESM (electronic support measures) …   Aviation dictionary