Electronic warfare (EW), as defined by the Department of Defense (DOD), are military activities that use electromagnetic energy to control the electromagnetic spectrum (“the spectrum”) and ...

The electromagnetic spectrum is a rainbow of light waves that surround us — but we only see a small part of it. From radio waves to gamma rays, each type of light has its own properties and uses. By ...

The Defense Information Systems Agency announced the release of the initial features for Electromagnetic Battle Management – Joint, or EMBM-J, Dec. 6, which improves the U.S. military’s situational ...

In 2024, General Stephen Whiting, the commander of U.S. Space Command opposed the sale of both the 3.1 to 3.45 GHz and the 7.0 to 8.0 GHz parts of the electromagnetic spectrum when he testified ...

Each type of wave in the electromagnetic spectrum has a different: wavelength. frequency close frequency The number of waves produced each second. The unit of frequency is hertz (Hz).

The US Army conducted a joint-force, multinational training in Hawaii earlier this month. Troops focused on how to be "small and undetectable" in the electromagnetic spectrum, a commander said.

Characteristic Basis Function Method (CBFM): A computational technique that precomputes the response of sub-domains to reduce the overall complexity of solving electromagnetic scattering problems.