基于天波超视距雷达探测距离远、覆盖范围大和受外界环境影响等特点,提出了一种利用可移动式应答机模拟天波超视距雷达目标雷达反射截面(RCS)的方法,并对所模拟的RCS的精度进行分析,提出精度校准办法。车载移动应答机具有机动性强、结构简单的优点,若用来模拟目标的雷达反射截面,并利用到天波超视距雷达探测威力的评估中,则能获得较好的效果。

Because of OTHR long rang,and it suffers the influence of ionosphere severity,if we evaluate the ability of the OTHR with the old range measuring method used in common radar,it will cause a lot of waste.Due to this problem,a method of modeling RCS by transponder beacon is proposed,and an analysis of the simulated RCS accuracy was carried out.A calibration method for this kind of method is proposed.Theory and practice all show that this calibration method is viable.Because of the tran- sponder beacon's flexibility and simplicity,it can work well for the evaluating experimentation of OTHR.

TN958.93