active countermeasures


Also found in: Acronyms.

active countermeasures

Those countermeasures that require transmissions from friendly sources. Active countermeasures can be electromagnetic, IR (infrared), electro-optical, or microwave. Among electromagnetic active countermeasures, the most common are deception jamming, self-protection jamming, and stand-off jamming. This is in contrast to passive countermeasures such as chaff dispensing. Also called active detection systems.
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To say that private companies should be allowed to conduct active countermeasures is not to say that this right should be unlimited or that the practice should be unregulated.
We envision active countermeasures in only two contexts.
Efforts such as the Hit Avoidance ATD, awarded to United Defense Ground Systems (Santa Clara, CA), and the Combat Vehicle Survivability ACTD, awarded to General Dynamics Land Systems (Warren, MI) have demonstrated the capabilities of threat warning and active countermeasures to defeat advanced ATGMs.
Northrop Grumman is a leading player in active countermeasures and its Electronics and Systems Integration Division builds the ALQ-135 jammer (used on the F-15) and the ALQ-162 Shadowbox CW jammer (found on a variety of platforms).
The AIEWS award includes active countermeasures as an option to be exercised at a later date.
Essentially, growth in this area is supported by the introduction of these new capabilities/applications to existing weapons systems as well as developing new active countermeasures for aircraft and ground vehicles.
The company is responsible for the majority of the active countermeasures systems used by German Air Force and Navy combat aircraft.
In 1969, he and a group of Stanford University colleagues founded ARGOSystems, a world leader in electronic warfare technologies including systems for communications reconnaissance and active countermeasures for ship protection.
New on-board active countermeasures techniques have been developed that are effective against the advanced threats, some of which are discussed in literature.
In SEW 2000, EO/IR sensors could play a dual role: first as an aid to threat detection and identification,[4] second as active countermeasures against multimode (IR) seekers.
The decoy is considerably less weapon dependent than on-board active countermeasures.
Flyalong decoys and the coordinated use of decoys and on-board active countermeasures are presently under study.

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