electronic protective measures, electronic counter-counter measures, EPM, ECCM
that division of electronic warfare involving actions taken to ensure effective friendly use of the electromagnetic spectrum despite the enemy's use of electromagnetic energy, osa elektroonilisest sõjapidamisest, mis hõlmab samme, astutud tagamaks omade elektromagnetilise spektrumi efektiivset kasutamist vaatamata vastase elektromagnetilise energia kasutamisele