给出了电子战的定义，阐述了电子对抗的意义。介绍了英、美两国在电子对抗发展上的区别。重点介绍了英、美两国的电子对抗设备的性能指标并简要介绍了日本及台湾地区的海军电子战设备的装备情况。 The definition of electronic warfare is given, and the meaning of electronic warfare is expounded. Introduced the differences between the United Kingdom and the United States in the development of electronic warfare. The performance indexes of electronic warfare equipment in Britain and the United States were introduced emphatically and the equipment of naval electronic warfare equipment in Japan and Taiwan was briefly introduced.