electronic countermeasures

plural noun

1. the use of electronic technology to jam and deceive enemy radars, especially those used for air defense and interception. ECM

electronic countermeasures

plural noun

1. military (in electronic warfare) actions intended to interfere with an enemy's use of electromagnetic radiation equipment

Word History and Origins

Origin of electronic countermeasures¹

First recorded in 1965–70

Example Sentences

They included drones linked to operators by fibre-optic wires - which are impossible to jam with electronic countermeasures.

From BBC

Toggling between the high tech and low tech as I explained earlier is using electronic countermeasures to shut down the drones.

From Salon

Now, the bad days are starting to outweigh the good ones: electronic countermeasures have become one of the Russian military’s most formidable weapons after years of honing their capabilities.

From New York Times

It can also be disrupted by other sources, such as electromagnetic noise or human-generated signals – an indication the Navy could develop electronic countermeasures to the Chinese detection system.

From Washington Times

Soldiers and civilian volunteers make these in garage workshops, experimenting and inventing with 3-D printed materials, explosives and custom-built software to try to avoid Russian electronic countermeasures.

From New York Times