jamming

Từ điển WordNet v3.1 - WordNet Dictionary

noun

deliberate radiation or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices or systems
• Syn:
electronic jamming, jam
• Derivationally related forms:
jam (for: jam), jam
• Hypernyms:
electronic countermeasures, ECM
• Hyponyms:
barrage jamming, spot jamming, selective jamming