Electronic countermeasure

（重定向自Electronic Attack）

Inspecting an AN/ALQ-184 Electronic Attack Pod.

An electronic countermeasure (ECM) is an electrical or electronic device designed to trick or deceive radar, sonar or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny targeting information to an enemy. The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. It is used effectively to protect aircraft from guided missiles. Most air forces use ECM to protect their aircraft from attack. It has also been deployed by military ships and recently on some advanced tanks to fool laser/IR guided missiles. It is frequently coupled with stealth advances so that the ECM systems have an easier job. Offensive ECM often takes the form of jamming. Defensive ECM includes using blip enhancement and jamming of missile terminal homers.

单词	Electronic Attack
释义	Electronic Attack 英语例句库 Electronic attack can deceive or desensitize enemy battle commanders through insertion of spurious radar tracks or blot out entire avenues of approach. 电子攻击能够通过伪造的雷达踪迹或者遮盖整个接近路径，从而欺骗或者麻痹敌方战场指挥官。原声例句世界奇趣图谱 The addition of electronic attack, airborne refueling, and early-warning aircraft to the American air wing means that US jets will be able to fly further for longer, and fire 美国空军联队增加电子攻击、空中加油和预警机，意味着美军喷气式飞机将能够飞得更远、飞行时间更长、火力更强大。英语百科 Electronic countermeasure （重定向自Electronic Attack） An electronic countermeasure (ECM) is an electrical or electronic device designed to trick or deceive radar, sonar or other detection systems, like infrared (IR) or lasers. It may be used both offensively and defensively to deny targeting information to an enemy. The system may make many separate targets appear to the enemy, or make the real target appear to disappear or move about randomly. It is used effectively to protect aircraft from guided missiles. Most air forces use ECM to protect their aircraft from attack. It has also been deployed by military ships and recently on some advanced tanks to fool laser/IR guided missiles. It is frequently coupled with stealth advances so that the ECM systems have an easier job. Offensive ECM often takes the form of jamming. Defensive ECM includes using blip enhancement and jamming of missile terminal homers.
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