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The Active Denial System (ADS) is a non-lethal directed-energy weapon developed by the U.S. military, [2] designed for area denial, perimeter security and crowd control. [3] Informally, the weapon is also called the heat ray [ 4 ] since it works by heating the surface of targets, such as the skin of targeted human beings.
Other area denial systems include cruise missiles, long-range strike aircraft, mines, and coastal defense artillery. [3] The term A2/AD was created in 2003 to describe the threats posed by long-range missile systems, precision munitions, and satellite technology that will make military operations in the littoral areas challenging for modern ...
On October 22, 2012, Boeing announced a successful test of the missile. [3] CHAMP disabled seven different targets before self-destructing over empty desert. [4] [5]The U.S. Air Force expected to have technology for a steerable counter-electronics weapon “available” in 2016, when a multi-shot, multi-target, high-power microwave (HPM) package would be tested aboard an AGM-86 ALCM.
An area denial weapon is a defensive device used to prevent an adversary from occupying or traversing an area of land, sea or air. The specific method may not be totally effective in preventing passage, but is sufficient to severely restrict, slow down, or endanger the opponent.
Specialties include microwave and RF integrated circuit design, antenna engineering, computational electromagnetics, radiowave propagation, radar and remote sensing systems, image processing, and THz imaging. [5] [6] Tufts University offers a Microwave and Wireless Engineering certificate program as part of its graduate studies programs. It can ...
Denied area is an intelligence term of art describing an extremely hostile operational environment with heavy surveillance. [1] [2]The United States Department of Defense defines a denied area as "an area under enemy or unfriendly control in which friendly forces cannot expect to operate successfully within existing operational constraints and force capabilities."
In a microwave beam directed at an angle into the sky, a small amount of the power will be randomly scattered as the beam passes through the troposphere. [13] A sensitive receiver beyond the horizon with a high gain antenna focused on that area of the troposphere can pick up the signal.
The depth of penetration depends on the frequency of the microwaves and the tissue type. The Active Denial System ("pain ray") is a less-lethal directed energy weapon that employs a microwave beam at 95 GHz; a two-second burst of the 95 GHz focused beam heats the skin to a temperature of 130 °F (54 °C) at a depth of 1/64th of an inch (0.4 mm) and is claimed to cause skin pain without lasting ...