摘要
根据塔康(TACAN)脉冲序列的连续性,提出了一种基于多脉冲联合测向定位的新方法。该方法仅需两个相距较远的天线阵元,先利用塔康脉冲的特征,建立单个脉冲和多个脉冲间对应的侦测平台、目标飞机以及塔康信标台三者位置关系方程,得到目标方位初始解;利用该初始解,对两阵元干涉仪测向解模糊,得到方位角的高精度解,再代入时差-方位双曲线方程得到目标位置的高精度解。该方法相比传统方法有更高的测向定位精度和更简化的天线布局,有利于工程应用推广。
According to the continuity of the Tactical Air Navigation System（TACAN） pulse sequence,a new passive localization algorithm based on multiple-pulse combined processing is proposed. This method requires only two antenna elements with long distance from each other.First,the position（the detection platform,the target aircraft and the TACAN beacon） relation equations corresponding single-pulse and the multi-pulse are established by using the characteristics of the TACAN pulse,and then an initial solution of the target azimuth is obtained.Second,the interferometer＇s directional ambiguity can be eliminated by using the initial azimuth solution,and a high-precision azimuth solution is solved according to the long distance interferometer.Then,a high-precision solution of the target location can be obtained by substituting the azimuth in the time difference hyperbolic equation. Compared with traditional methods,the proposed method has a higher direction-finding accuracy and more simplified antenna layouts,which can promote its engineering applications.
作者
董海
DONG Hai(Southwest China Institute of Electronic Technology,Chengdu 610036,China)
出处
《电讯技术》
北大核心
2018年第6期696-701,共6页
Telecommunication Engineering
关键词
无源定位
辐射源定位
塔康
多脉冲
联合测向
passive localization
radiation source localization
tactical air navigation system （TACAN）
multi-pulse
combined direction-finding
