passive detection

passive detection

[′pas·iv di′tek·shən]
(ordnance)
The detection of a target or other object by means that do not reveal the position of the detecting instrument.
References in periodicals archive ?
This aspect increases the deployment complexity of a radar system versus any of the passive detection solutions.
Through the harnessing of these muon particles, Lingacom is offering a green, passive detection solution designed to meet the global security requirements associated with nuclear and radioactive detection.
T1484 -SMART IGC Z511673477 - Passive Detection System threats, Voice Communication and deterrence for the protection of critical infrastructures military.
Frauds discovered by passive detection methods (such as confession, notification by law enforcement, external audit and by accident) lasted longer and resulted in higher losses.
It also has both active and passive detection and classification modes, protecting an underwater area greater than seven square kilometres with a single sonar location.
The topics are radar principles, noise radar, masking effects, multistatic noise radar, noise synthetic aperture radar, the passive detection of moving targets, and examples of noise radars.
Long-range airborne chemical detection with the HI 90 is acquired using passive detection, in which the advanced remote sensing "algorithm extracts the spectral information from the gas cloud.
Unlike other systems that require a resident to push a button or open a door to initiate daily check-in, the Inovonics EN1240 activity sensor enables passive detection of activity with an extended sleep timer that reduces unwanted radio frequency (RF) traffic to eliminate excessive and/or unwarranted alarms.
150) As of April 2010, DTRA was continuing its investigation of the use of protons for active detection, including how a proton beam interacts with various materials and how to integrate passive detection and imaging methods with active interrogation beams.
Whisper, developed by the Army Communications-Electronics Research, Development and Engineering Center, is a passive detection device used by combat engineer companies in reconnaissance vehicles.
Its passive detection principle brooks no radiation and no interference with other systems such as aircraft radios.

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