New interference methods , such as sweeping frequency interference and faster - hop - collision interference , become a new focus of electronic countermeasures to fh communication systems 摘要扫频式干扰、更高跳速碰撞干扰等新的干扰方法成为跳频通信系统电子对抗领域中又一重要研究方向。
Since the dsss signal is always transmitted in seriously noisy environment , the dsss signal detection with low signal - to - noise ratio is an important content of dsss electronic countermeasures 由于dsss信号通常淹没在背景强噪声中传播,因此,在低信噪比下对dsss信号的检测是直扩电子对抗的重要内容。
The simulator , which is functioned for training of electronic countermeasure , can hold a suppositional war field for the training of anti - air gun fire control radar 该模拟器解决了雷达目标的实时生成、控制、搜索和显示等关键问题，新增了电子干扰与反干扰的训练内容，完整实现了战场环境下的炮瞄雷达攻防对抗训练。
Along with the increasingly fierce competition between electronic countermeasure ( ec ) and anti - ec technologies , developing practical tactical frequency hopping radios has become vitally important to our armed force 随着电子对抗与反对抗技术竞争的日益激烈，加速我军战术跳频电台的实用化研究，已成为当务之急。
In electronic countermeasure passive location and tracking system are playing a vital part due to the fact that it works “ quietly ” without emiting any signals that possibly expose self to attack of some kind 在电子对抗系统中,无源定位跟踪系统由于本身不发射电磁波,完全是被动工作,具有很好的隐蔽性,因而得到广泛的重视。
In electronic countermeasure passive location and tracking systems are playing a vital part due to the fact that it works " quietly " without emitting any signals that possibly expose self to attack of some kind 在电子对抗系统中，无源定位跟踪系统由于本身不发射电磁波，完全是被动工作，具有很好的隐蔽性，而得到了广泛的重视。
Microwave dielectric materials have been widely used in information and communication domain , which are used in the systems of microwave communication , satellite communication , electronic countermeasure , remote sensing and so on 当今信息技术高速发展,微波介质材料已经广泛地应用于电子、通信等各个领域中。如微波通信、卫星通信、电子对抗、遥感等系统已大量使用微波介质材料。
Continues to research , develop , and produce a variety of systems - including tactical and special purpose ( e . g . , aerial refueling tankers , airborne early warning and collection , and electronic countermeasure ) aircraft - as well as modern turbofan engine technology 继续研制、开发和生产各种系统包括战术飞机和特种飞机（用于空中加油、空中预警和资料收集及电子对抗等使命）以及现代涡扇引擎技术。
Target tracking technology plays an important role in both military and civilian areas , so it is a very important and valuable work to study the target tracking technology actively , especially to study target tracking technology under electronic countermeasures ( ecm ) 目标跟踪技术在军事和民用方面占有重要的地位，积极地开展目标跟踪技术的研究，尤其是电子战条件下的目标跟踪滤波技术研究是一项重要而有价值的工作。
By the great development of modern electronic communication , radar , electronic detector and electronic countermeasures technology , higher requirement is needed by the system . according to different application fields , the point system emphasizes is also different 随着现代通信、雷达、电子侦察和对抗技术的飞速发展,系统对其性能指标也提出了愈来愈高的要求,并且依据应用系统的不同,对各项指标要求的侧重点也有所不同。
